imtoken官方地址|cyber

作者: imtoken官方地址
2024-03-07 18:03:24

cyber_百度百科

r_百度百科 网页新闻贴吧知道网盘图片视频地图文库资讯采购百科百度首页登录注册进入词条全站搜索帮助首页秒懂百科特色百科知识专题加入百科百科团队权威合作下载百科APP个人中心收藏查看我的收藏0有用+10cyber播报讨论上传视频希腊语Cyber,源自希腊语单词Kubernetes( κυβερνήτης:,意思为 “操舵员” 或者 “飞行员”)。诺伯特·维纳在《控制论》中使用Cybernetics一词,后来作为前缀,代表与Internet相关或电脑相关的事物,即采用电子工具或计算机进行的控制。中文名赛博外文名Cyber来    源希腊语希腊语Kubernetes意    思舵手目录1应用2电影信息应用播报编辑经常见到的带有“赛博”字样的比如“赛博广场”、“XXX赛博公司”基本都是网络相关的,是Cyber的音译。cyber 在omegle等网络聊天时作为cyber sex的缩写,意为:网络性交。在古灵的《偷吃蜜糖》中有此词,与电爱(利用电话“爱爱”)一起网络上常见的有 Cyber game:网络游戏 ; Cyber world:虚拟世界 ;World Cyber Games(WCG) 即世界电子竞技大赛。电影信息播报编辑新片《Cyber》 据外媒报道,汤唯、王力宏将加盟《盗火线》导演迈克尔·曼执导的惊悚新作。这将是汤唯、王力宏继《色戒》之后的再度合作。据悉, 汤唯与王力宏在片中饰演一对儿兄妹,汤唯还将与“雷神”饰演者克里斯·海姆斯沃斯上演爱情故事上个月中,外媒报道汤唯与王力宏将加盟好莱坞导演迈克尔·曼的新作,而汤唯更加联手雷神“锤哥”克里斯·海姆斯沃斯,两个人会在这部尚未定名的网络惊悚题材新作中饰演一对情侣,当时报道说本片将于6月开拍,而今天,国外媒体就曝光了汤唯与锤哥的片场照。汤唯与锤哥均着装简洁,戴着酷帅的黑超,大步流星的行走在片场,汤唯在高大的锤哥身边则显得十分娇小,但单从片场照来看,这对会在片中谱写异国恋的男女居然非常和谐。虽然片方传奇影业尚未公布正式剧情,但综合现已曝光的零碎点滴,本片将在延续迈克尔·曼此前《小偷》、《盗火线》等作品风格的同时,注入富有“技术含量”的网络盗窃、网络攻击等新内容。片中汤唯与王力宏饰演一对兄妹,而前者还是“锤哥”的女友,二人将演绎一段异国恋。此外,两获奥斯卡提名的黑人女星维奥拉·戴维斯和曾出演《匪帮传奇》的男星霍特·麦克卡兰尼也将参演。迈克尔·曼的这部新作剧本由其与摩根·福尔共同打磨,影片已投入制作拍摄,剧组将前往洛杉矶、香港等地取景拍摄。 新手上路成长任务编辑入门编辑规则本人编辑我有疑问内容质疑在线客服官方贴吧意见反馈投诉建议举报不良信息未通过词条申诉投诉侵权信息封禁查询与解封©2024 Baidu 使用百度前必读 | 百科协议 | 隐私政策 | 百度百科合作平台 | 京ICP证030173号 京公网安备110000020000

CYBER-中文(简体)翻译:剑桥词典

CYBER-中文(简体)翻译:剑桥词典

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cyber- 在英语-中文(简体)词典中的翻译

cyber-prefix uk

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/saɪ.bər-/ us

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/saɪ.bɚ-/

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involving, using, or relating to computers, especially the internet

计算机的;与电脑有关的;网络的(尤指因特网)

cybercrime

网络犯罪

cyberculture

计算机文化

(cyber-在剑桥英语-中文(简体)词典的翻译 © Cambridge University Press)

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cyber-的翻译

中文(繁体)

電腦的, 與電腦有關的, 網路的(尤指網際網路)…

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ciber-…

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ciber-…

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cyber-…

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bilhassa internet/elektronik iletişime ilişkin, siber- anlamında önek…

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виртуальный, связанный с информационными технологиями…

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cyanide

cyber hygiene

Cyber Monday

cyber soldier

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cyberactor

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cyber hygiene

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cyber bully, at cyberbully

cyber-bully, at cyberbully

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“每日一词”

veggie burger

UK

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/ˈvedʒ.i ˌbɜː.ɡər/

US

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/ˈvedʒ.i ˌbɝː.ɡɚ/

a type of food similar to a hamburger but made without meat, by pressing together small pieces of vegetables, seeds, etc. into a flat, round shape

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March 06, 2024

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stochastic parrot

March 04, 2024

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网络安全安全领域最容易搞混的四个名词:Network网络安全、Cyber网络安全、数据安全、信息安全 - 知乎

网络安全安全领域最容易搞混的四个名词:Network网络安全、Cyber网络安全、数据安全、信息安全 - 知乎切换模式写文章登录/注册网络安全安全领域最容易搞混的四个名词:Network网络安全、Cyber网络安全、数据安全、信息安全网络安全小肖专注于网络安全在安全领域我们经常会遇到Network网络安全、Cyber网络安全、数据安全、信息安全,它们看起来都差不多,那么它们之间有什么区别呢?其中最容易搞混的就是Network网络安全和Cyber网络安全,因为Network和Cyber翻译过来都是网络的意思,到底这两者之间有啥区别,这个一定要好好看!Network网络安全 Network网络安全是网络工程的一个分支学科,是信息/网络安全的一个子集,涉及规划和实施网络安全措施,以保护网络和程序的完整性免受黑客攻击和未经授权的访问。它保护组织的 IT 基础设施和网络可访问资源免受各种网络威胁,例如病毒、特洛伊木马、恶意软件、垃圾邮件软件、间谍软件等。ID 和密码、互联网访问、防火墙、备份、加密都属于Network网络安全范畴。应用示例:访问控制:访问控制是一种安全方法,可以在其中调节或限制什么或谁可以访问、查看或使用计算机系统中的资源,有助于降低组织或企业的风险。VPN 加密:VPN 加密是防止外部人员尝试读取、拦截、阻止、更改或替换您的互联网连接内容的过程,通过加密,虚拟专用网络隐藏了在网络服务器和您的计算机之间传递的全部数据。防火墙:防火墙是监控传出和传入流量、通过一组安全规则允许或阻止数据包的网络安全设备,它在进入的流量、内部网络和互联网等外部资源之间提供了一道屏障,这可以防止黑客和病毒等恶意流量。网络分段:网络分段是一种将网络分成几个段或子网的架构方法,其中每个段都充当其自己的小型网络,这样,网络管理员可以使用精细策略控制子网之间的流量,组织和公司采用网络分段来提高性能、改进监控、定位技术问题并提高安全性。简单做个小总结:从狭义上讲,Network网络安全是指网络中操作系统信息处理和传输的安全,包括硬件系统安全可靠运行、操作系统和应用软件安全、数据库系统安全、电磁信息泄露防护等,侧重于网络传输的安全。从广义上讲,Network网络安全是指网络系统的硬件和软件及其系统中的信息受到保护,包括系统持续、可靠、正常运行,网络服务不中断,不因意外或恶意行为造成系统信息损坏、篡改或泄露。Cyber网络安全 Cyber网络安全是一个涉及网络空间各个方面的通用术语,它是信息安全的一个子集,用于保护网络、设备和程序的完整性免受攻击、损坏或未经授权的外部访问。它是指旨在保护系统和网络免受潜在网络攻击的一组技术、技术和流程。它通过实施各种安全措施和适当的控制来保护网络的完整性免受未经授权的电子访问。会监控所有传入和传出流量,以降低网络攻击的风险,同时保护组织免受未经授权的系统利用。应用示例:应用安全:应用程序安全包括在整个应用程序的软件开发生命周期 (SLDC)中执行的安全措施,保护应用程序免受网络攻击和安全漏洞侵害。网上认证:在线身份验证是指在信息系统上验证身份以提供对平台的访问权限的过程,这种验证是通过用户名和密码进行的。数据加密:数据加密是将数据从一种形式转换为另一种形式,以向具有密钥的人提供访问权限,此密钥称为解密密钥,任何有权访问它的人都可以读取加密数据。云安全:云安全是指用于保护云计算系统、数据和基础设施的控制、策略和应用程序。沙盒:沙盒是网络安全中的一种实践,可以在其中使用称为沙盒的隔离环境来执行测试,比如执行可疑程序、测试代码等。安全测试和编码:安全测试是检查软件程序中的危害、漏洞 和危险并保护软件免受入侵者攻击的软件测试。目标是找到软件系统中可能导致数据丢失、收入损失或内部员工或外部黑客的声誉损失的潜在弱点,安全编码是通过编码和加密为软件提供安全性以防止网络攻击的做法。讲到这里估计还有朋友对Network网络安全和Cyber网络安全不太理解两者到底有啥区别,我这边做个小结。Network网络安全和Cyber网络安全区别 首先通过一张图直观感受一下两者的所属关系:通过这张图,我们已经知道Cyber网络安全是包含Network网络安全的,换句话说,Cyber网络安全的范围要大于etwork网络安全。区别两者区别体现在三个方面:1、定义Cyber网络安全是信息安全的一个子集,它是指用于保护网络、设备、程序和数据的完整性免受损坏、攻击或未经授权访问的一组技术和方法,网络安全是保护联网系统和网络免受数字攻击。Network网络安全是保护计算机网络中的文件和目录免遭滥用、黑客攻击和未经授权访问系统的行为,Network网络安全是网络安全的一个子集,它保护是网络和网络可访问资源的完整性免受未经授权的访问。2、安全虽然这两个术语彼此同义,但它们在安全性方面却大不相同,如果您将企业想象成一座坚固的城堡,那么:Network网络安全关注的是在城堡的围墙内维护和平,并保护组织的主权免受网络相关威胁,Network网络安全就是保护企业的 IT 基础设施免受各种在线威胁,如病毒。Cyber网络安全保护组织免受来自网络领域等外部威胁。它保护组织的系统、网络和程序免受各种数字攻击,如网络钓鱼、诱饵、诱饵等。3、数据安全中最终保护的肯定是数据,所以数据是最重要的一切。Cyber网络安全在更大程度上需要监控和检测威胁,涉及保护组织的信息和安全技术 (ICT) 免受利用系统漏洞的潜在网络威胁。Network网络安全的主要关注点是从内部保护组织的 IT 基础设施,防火墙、ID 和密码、备份、加密都属于Network网络安全。在这里你要记住这样区别就可以了:Network保护通过网络流动的数据,而保护Cyber存储在设备和服务器中的数据。数据安全 数据安全是指通过采取必要的措施确保数据处于有效保护和合法使用状态的能力,以及保证持续安全状态的能力,确保数据处理、数据处理全过程的安全,包括数据的收集、存储、使用、处理、传输、提供和披露。数据安全有两个维度:数据本身的安全性,主要是指利用现代密码算法对数据进行主动保护,如数据保密性、数据完整性、双向强身份认证等。数据的安全保护,主要是利用现代信息存储手段主动保护数据,如通过磁盘阵列、数据备份、异地容灾等手段保证数据的安全。数据安全是一种主动的保护措施,数据本身的安全必须建立在可靠的加密算法和安全体系之上,主要有对称算法和公钥密码体制两种信息安全 信息安全描述了保护数据免受任何未经授权访问的过程,根据美国计算机科学资源中心的说法,完整的定义是:“保护信息和信息系统免遭未经授权的访问、使用、披露、中断、修改或破坏,以提供机密性、完整性和可用性。”为此,信息安全策略倾向于围绕称为 CIA 三元组的东西进行组织:机密性、完整性和可用性。机密性:确保敏感信息不会泄露给未经授权的用户,同时确保授权用户可以访问它;完整性:确保数据准确完整。在这里,信息不应被任何未被授权访问它的人编辑;可用性:数据需要在需要时可用。例如,拒绝服务攻击 (DoS)可以防止这种情况发生。信息安全范围最大!四种安全概念的对比 还是先根据一张图比较它们的区别:从范围来看,信息安全的范围最大,数据安全和两个网络安全是互相隔离的。至于Network网络安全、Cyber网络安全、数据安全、信息安全之间有啥区别,我觉得我上面介绍的已经很细了,大家尤其注意一下Network网络安全和Cyber网络安全区别就行了!无偿领取网络安全入门到进阶学习籽料可点击这个链接:瓜子:零基础学网络安全有什么建议?如何入门?——来自一位年薪80W的网工倾情讲解发布于 2023-03-14 11:50・IP 属地湖南网络安全信息安全安全​赞同 2​​添加评论​分享​喜欢​收藏​申请

网络空间安全(Cyber Security)的概念是怎样的? - 知乎

网络空间安全(Cyber Security)的概念是怎样的? - 知乎首页知乎知学堂发现等你来答​切换模式登录/注册网络安全信息安全安全网络空间安全(Cyber Security)的概念是怎样的?关注者56被浏览114,451关注问题​写回答​邀请回答​好问题​添加评论​分享​5 个回答默认排序匿名用户网络空间安全 就是网络领域的安全,网络空间安全涉及到在网络空间中的电子设备、电子信息系统、运行数据、系统应用中存在的安全问题,分别对应这个四个层面:设备、系统、数据、应用。这里面包括两个部分:第一、防治、保护、处置包括互联网、电信网、广电网、物联网、工控网、在线社交网络、计算系统、通信系统、控制系统在内的各种通信系统及其承载的数据不受损害。第二、防止对这些信息通信技术系统的滥用所引发的政治安全、经济安全、文化安全、国防安全。一个是保护系统本身,另外是防止利用信息系统带来了别的安全问题。所以针对这些风险,要采取法律、管理、技术、自律等综合手段来应对,而不是像过去说信息安全主要是技术手段。发布于 2017-10-10 21:43​赞同 22​​添加评论​分享​收藏​喜欢收起​英利标准检测​深圳市英利标准检测技术有限公司 副总经理​ 关注Cyber Security网络安全的重要性日益增长的网络威胁  越来越多的企业正在经历网络风险; • 数据无处不在  随着数字化发展,需要保护的数据 也越来越多 • 保护工业过程  内部和工业系统应得到保护,以防 止运营和收入损失。主要产品消费者物联网产品工业物联网 (IIoT)医疗设备和技术新型出行和自动化基础设施各国网络安全要消费者物联网产品评估及测试标准- ETSI EN 303 645 (IEC 62443)- P-SCAN (产品漏洞扫描) OWASP - IoXT - CTIA - 通用标准认证 - 无线电设备指令 (RED)- EUROSMART IoT 认证汽车等评估及测试标准- ISO/SAE 21434 合规差距分析 - UNECE 网络安全(R155)和软件更新 (R156) 合规 差距分析 - UNECE 网络安全(R155)和软件更新 (R156) 类型的 批准 - 通用标准认证 - TISAX工业品类评估及测试标准- IEC 62443 合规 - IECEE 认证 (IEC 62443) - 通用标准认证医疗类评估及测试标准- IEC 62443 合规 - UL 2900 合规 - UL 2900 认证 - 通用标准认证- EU MDR 合规差距分析 - FDA 合规差距分析各国网络安全执行标准我们一直在关注这方面的发展,对话题有不同见解的欢迎一起讨论。国家高新技术企业;唯一覆盖中国和欧美运营商认证服务机构;业内最为优秀第三方认证服务商之一;专业的人做专业的事;入库:┆移动┆联通┆电信┆中国广电┆欧美:┆GCF┆PTCRB┆VzW┆ATT┆TMO┆FCC┆中国:┆CCC┆SRRC┆CTA┆号码:┆IMEI┆MAC┆MEID┆EAN┆发布于 2023-07-19 10:20​赞同 1​​添加评论​分享​收藏​喜欢

apollo介绍之Cyber框架(十) - 知乎

apollo介绍之Cyber框架(十) - 知乎首发于自动驾驶切换模式写文章登录/注册apollo介绍之Cyber框架(十)王方浩​自动驾驶话题下的优秀答主关于cyber的代码也看了很长一段时间,之前一直想写一篇关于cyber的介绍,怎奈迟迟没有动笔,一是cyber的篇幅实在过长,二是有些方面也没有完全看懂。终于下定决心来写一篇cyber的长文已经到了11月份,cyber有很多我们值得学习的地方,就算是仅仅出于技术原因,我也非常推荐学习下cyber的源码。由于cyber有些流程很长,导致看代码的时候喜欢画很复杂的流程图,实际上把图画长难,把图画小更难,百度apollo cyber的框图都很短小,但都直击要害,说出每个模块的具体功能。下面是简单的对比[1]。长流程图框图Cyber实现的功能cyber提供的功能概括起来包括2方面:消息队列 - 主要作用是接收和发送各个节点的消息,涉及到消息的发布、订阅以及消息的buffer缓存等。 实时调度 - 主要作用是调度处理上述消息的算法模块,保证算法模块能够实时调度处理消息。 除了这2方面的工作,cyber还需要提供以下2部分的工作:用户接口 - 提供灵活的用户接口工具 - 提供一系列的工具,例如bag包播放,点云可视化,消息监控等总结起来就是,cyber是一个分布式收发消息,和调度框架,同时对外提供一系列的工具和接口来辅助开发和定位问题。其中cyber对比ROS来说有很多优势,唯一的劣势是cyber相对ROS没有丰富的算法库支持。 下面我们开始分析整个cyber的代码流程。cyber入口cyber的入口在"cyber/mainboard"目录中:├── mainboard.cc // 主函数

├── module_argument.cc // 模块输入参数

├── module_argument.h

├── module_controller.cc // 模块加载,卸载

└── module_controller.hmainboard中的文件比较少,也很好理解,我们先从"mainboard.cc"中开始分析:int main(int argc, char **argv) {

google::SetUsageMessage("we use this program to load dag and run user apps.");

// 注册信号量,当出现系统错误时,打印堆栈信息

signal(SIGSEGV, SigProc);

signal(SIGABRT, SigProc);

// parse the argument

// 解析参数

ModuleArgument module_args;

module_args.ParseArgument(argc, argv);

// initialize cyber

// 初始化cyber

apollo::cyber::Init(argv[0]);

// start module

// 加载模块

ModuleController controller(module_args);

if (!controller.Init()) {

controller.Clear();

AERROR << "module start error.";

return -1;

}

// 等待cyber关闭

apollo::cyber::WaitForShutdown();

// 卸载模块

controller.Clear();

AINFO << "exit mainboard.";

return 0;

}上述是"mainboard.cc"的主函数,下面我们重点介绍下具体的过程。打印堆栈在主函数中注册了信号量"SIGSEGV"和"SIGABRT",当系统出现错误的时候(空指针,异常)等,这时候就会触发打印堆栈信息,也就是说系统报错的时候打印出错的堆栈,方便定位问题[2]。 // 注册信号量,当出现系统错误时,打印堆栈信息

signal(SIGSEGV, SigProc);

signal(SIGABRT, SigProc);打印堆栈的函数在"SigProc"中实现,而打印堆栈的实现是通过"backtrace"实现[3]。// 打印堆栈信息

void ShowStack() {

int i;

void *buffer[STACK_BUF_LEN];

int n = backtrace(buffer, STACK_BUF_LEN);

char **symbols = backtrace_symbols(buffer, n);

AINFO << "=============call stack begin:================";

for (i = 0; i < n; i++) {

AINFO << symbols[i];

}

AINFO << "=============call stack end:================";

}解析参数解析参数是在"ModuleArgument"类中实现的,主要是解析加载DAG文件时候带的参数。void ModuleArgument::ParseArgument(const int argc, char* const argv[]) {

// 二进制模块名称

binary_name_ = std::string(basename(argv[0]));

// 解析参数

GetOptions(argc, argv);

// 如果没有process_group_和sched_name_,则赋值为默认值

if (process_group_.empty()) {

process_group_ = DEFAULT_process_group_;

}

if (sched_name_.empty()) {

sched_name_ = DEFAULT_sched_name_;

}

// 如果有,则设置对应的参数

GlobalData::Instance()->SetProcessGroup(process_group_);

GlobalData::Instance()->SetSchedName(sched_name_);

AINFO << "binary_name_ is " << binary_name_ << ", process_group_ is "

<< process_group_ << ", has " << dag_conf_list_.size() << " dag conf";

// 打印dag_conf配置,这里的dag是否可以设置多个???

for (std::string& dag : dag_conf_list_) {

AINFO << "dag_conf: " << dag;

}

}模块加载在"ModuleController"实现cyber模块的加载,在"ModuleController::Init()"中调用"LoadAll()"来加载所有模块,我们接着看cyber是如何加载模块。 1. 首先是找到模块的路径 if (module_config.module_library().front() == '/') {

load_path = module_config.module_library();

} else {

load_path =

common::GetAbsolutePath(work_root, module_config.module_library());

}2. 通过"class_loader_manager_"加载模块,后面我们会接着分析"ClassLoaderManager"的具体实现,加载好对应的类之后在创建对应的对象,并且初始化对象(调用对象的Initialize()方法,也就是说所有的cyber模块都是通过Initialize()方法启动的,后面我们会接着分析Initialize具体干了什么)。 这里的"classloader"其实类似java中的classloader,即java虚拟机在运行时加载对应的类,并且实例化对象。 cyber中其实也是实现了类型通过动态加载并且实例化类的功能,好处是可以动态加载和关闭单个cyber模块(定位,感知,规划等),也就是在dreamview中的模块开关按钮,实际上就是动态的加载和卸载对应的模块。 // 通过类加载器加载load_path下的模块

class_loader_manager_.LoadLibrary(load_path);

// 加载模块

for (auto& component : module_config.components()) {

const std::string& class_name = component.class_name();

// 创建对象

std::shared_ptr base =

class_loader_manager_.CreateClassObj(class_name);

// 调用对象的Initialize方法

if (base == nullptr || !base->Initialize(component.config())) {

return false;

}

component_list_.emplace_back(std::move(base));

}

// 加载定时器模块

for (auto& component : module_config.timer_components()) {

const std::string& class_name = component.class_name();

std::shared_ptr base =

class_loader_manager_.CreateClassObj(class_name);

if (base == nullptr || !base->Initialize(component.config())) {

return false;

}

component_list_.emplace_back(std::move(base));

}上述就是cyber mainboard的整个流程,cyber main函数中先解析dag参数,然后根据解析的参数,通过类加载器动态的加载对应的模块,然后调用Initialize方法初始化模块。下面我们会接着分析ClassLoaderManager类加载器(class_loader)类加载器的作用就是动态的加载动态库,然后实例化对象。我们先来解释下,首先apollo中的各个module都会编译为一个动态库,拿planning模块来举例子,在"planning/dag/planning.dag"中,会加载:module_config {

module_library : "/apollo/bazel-bin/modules/planning/libplanning_component.so"也就是说,apollo中的模块都会通过类加载器以动态库的方式加载,然后实例化,之后再调用Initialize方法初始化。也就是说,我们讲清楚下面3个问题,也就是讲清楚了类加载器的原理。 cyber如何加载apollo模块?如何实例化模块?如何初始化模块? 目录结构类加载器的实现在"cyber/class_loader"目录中,通过"Poco/SharedLibrary.h"库来实现动态库的加载,关于Poco动态库的加载可以[参考](Class Poco::SharedLibrary) ├── BUILD // 编译文件

├── class_loader.cc // 类加载器

├── class_loader.h

├── class_loader_manager.cc // 类加载器管理

├── class_loader_manager.h

├── class_loader_register_macro.h // 类加载器注册宏定义

└── utility

├── class_factory.cc // 类工厂

├── class_factory.h

├── class_loader_utility.cc // 类加载器工具类

└── class_loader_utility.h类加载器(ClassLoader)我们先从"class_loader.h"开始看起,首先我们分析下"class_loader"实现的具体方法:class ClassLoader {

public:

explicit ClassLoader(const std::string& library_path);

virtual ~ClassLoader();

// 库是否已经加载

bool IsLibraryLoaded();

// 加载库

bool LoadLibrary();

// 卸载库

int UnloadLibrary();

// 获取库的路径

const std::string GetLibraryPath() const;

// 获取累名称

template

std::vector GetValidClassNames();

// 实例化类对象

template

std::shared_ptr CreateClassObj(const std::string& class_name);

// 类是否有效

template

bool IsClassValid(const std::string& class_name);

private:

// 当类删除

template

void OnClassObjDeleter(Base* obj);

private:

// 类的路径

std::string library_path_;

// 类加载引用次数

int loadlib_ref_count_;

// 类加载引用次数锁

std::mutex loadlib_ref_count_mutex_;

// 类引用次数

int classobj_ref_count_;

// 类引用次数锁

std::mutex classobj_ref_count_mutex_;

};可以看到类加载器主要是提供了加载类,卸载类和实例化类的接口。实际上加载类和卸载类的实现都比较简单,都是调用"utility"类中的实现,我们暂时先放一边,先看下实例化对象的实现。template

std::shared_ptr ClassLoader::CreateClassObj(

const std::string& class_name) {

// 加载库

if (!IsLibraryLoaded()) {

LoadLibrary();

}

// 根据类名称创建对象

Base* class_object = utility::CreateClassObj(class_name, this);

// 类引用计数加1

std::lock_guard lck(classobj_ref_count_mutex_);

classobj_ref_count_ = classobj_ref_count_ + 1;

// 指定类的析构函数

std::shared_ptr classObjSharePtr(

class_object, std::bind(&ClassLoader::OnClassObjDeleter, this,

std::placeholders::_1));

return classObjSharePtr;

}可以看到创建类的时候,类引用计数加1,并且绑定类的析构函数(OnClassObjDeleter),删除对象的时候让类引用计数减1。template

void ClassLoader::OnClassObjDeleter(Base* obj) {

if (nullptr == obj) {

return;

}

std::lock_guard lck(classobj_ref_count_mutex_);

delete obj;

--classobj_ref_count_;

}我们先简单的分析下ClassLoaderManager,最后再分析utility。ClassLoaderManager类加载器管理实际上是管理不同的classloader,而不同的libpath对应不同的classloader。ClassLoaderManager主要的数据结构其实如下:std::map libpath_loader_map_;其中"libpath_loader_map_"为map结构,在"LoadLibrary"的时候赋值,key为library_path,而value为ClassLoader.bool ClassLoaderManager::LoadLibrary(const std::string& library_path) {

std::lock_guard lck(libpath_loader_map_mutex_);

if (!IsLibraryValid(library_path)) {

// 赋值

libpath_loader_map_[library_path] =

new class_loader::ClassLoader(library_path);

}

return IsLibraryValid(library_path);

}也就是说"ClassLoaderManager"对ClassLoader进行保存和管理。 往期回顾apollo介绍(一)apollo介绍之map模块(二)apollo介绍之localization模块(三)apollo介绍之planning模块(四)apollo介绍之Routing模块(六)apollo介绍之Transform模块(七)apollo介绍之Canbus模块(八)apollo介绍之Control模块(九)apollo介绍之Perception模块(十七)apollo介绍之Audio模块(十八)apollo预测模块分享(二十一)Cyber框架apollo介绍之cyber设计(五)apollo介绍之Cyber框架(十)apollo介绍之Cyber框架(十一)apollo介绍之Cyber定时器(十二)apollo介绍之Cyber Component(十三)apollo介绍之Cyber Data(十四)apollo介绍之Cyber Scheduler调度(十五)apollo介绍之Cyber Async异步调用(十六)apollo介绍之cyber启动(十九)高精度地图apollo介绍之map模块(二)高精度地图制作高精度地图制作(二)高精度地图制作(三)apollo简易制图过程(二十)apollo高精度地图可视化(二十二)apollo高精度地图制作(二十三)apollo高精度地图标注(二十四)如果觉得本文对你有帮助,欢迎点赞、分享、关注3连 O(∩_∩)O~~参考^apollo cyber https://zhuanlan.zhihu.com/p/56053077^signal https://www.runoob.com/cplusplus/cpp-signal-handling.html^backtrace https://www.gnu.org/software/libc/manual/html_node/Backtraces.html编辑于 2021-06-05 22:09自动驾驶无人驾驶车百度无人驾驶车​赞同 74​​10 条评论​分享​喜欢​收藏​申请转载​文章被以下专栏收录自动驾驶从零开始学习无人驾驶技术主业和副业用来打发时间

cyber - 知乎

cyber - 知乎首页知乎知学堂发现等你来答​切换模式登录/注册cyberCyber源自希腊语单词Kubernetes,意思是舵手。现在作为前缀,代表与Internet相关或电脑相关的事物,即采用电子或计算机进行的控制。...查看全部内容关注话题​管理​分享​百科讨论精华视频等待回答简介Cyber源自希腊语单词Kubernetes,意思是舵手。现在作为前缀,代表与Internet相关或电脑相关的事物,即采用电子或计算机进行的控制。更多信息外文名Cyber来源希腊语希腊语Kubernetes意思舵手数据由搜狗百科提供查看百科全文 ​浏览量3.2 万讨论量84  帮助中心知乎隐私保护指引申请开通机构号联系我们 举报中心涉未成年举报网络谣言举报涉企虚假举报更多 关于知乎下载知乎知乎招聘知乎指南知乎协议更多京 ICP 证 110745 号 · 京 ICP 备 13052560 号 - 1 · 京公网安备 11010802020088 号 · 京网文[2022]2674-081 号 · 药品医疗器械网络信息服务备案(京)网药械信息备字(2022)第00334号 · 广播电视节目制作经营许可证:(京)字第06591号 · 服务热线:400-919-0001 · Investor Relations · © 2024 知乎 北京智者天下科技有限公司版权所有 · 违法和不良信息举报:010-82716601 · 举报邮箱:jubao@zhihu.

cyber是什么意思_cyber的翻译_音标_读音_用法_例句_爱词霸在线词典

r是什么意思_cyber的翻译_音标_读音_用法_例句_爱词霸在线词典首页翻译背单词写作校对词霸下载用户反馈专栏平台登录cyber是什么意思_cyber用英语怎么说_cyber的翻译_cyber翻译成_cyber的中文意思_cyber怎么读,cyber的读音,cyber的用法,cyber的例句翻译人工翻译试试人工翻译翻译全文cyber英 ['saɪbə]美 ['saɪbə]释义adj.计算机(网络)的,信息技术的点击 人工翻译,了解更多 人工释义实用场景例句全部Cyber environment has promoted the development of Compositional Teaching.网络环境促进了作文教学的发展.互联网Cyber Centre Limited Hong Kong HK $ 2 100 % Property holding.数码中心有限公司香港2港元持有物业.互联网CYBER IMPORT is an import export agent and manufacturer.赛博公司是一家进出口代理商和生产商.互联网Cyber Centre Holdings Limited Hong Kong HK $ 2 100 % Inactive.数码中心控股有限公司香港2港元暂无业务.互联网Such botnets can be created, or simply rented from cyber - criminals.“僵尸网络”可以被创建出来, 或者可以直接从网络罪犯那里租借过来使用.互联网Thirdly, the review of cyber literature appears to be in disorder.第三是网络文学评论呈现出一种无深度的溃散.互联网The Pentagon already employs legions of elite hackers trained in cyber warfare.五角大楼早已雇用大批受过网络战争训练的精锐黑客.互联网Comprehensive network security strategy aimed at attacking rapidly hackers and cyber fraud.针对网络攻击完备的安全策略,迅速抵御黑客和网络欺诈.互联网All the choices are true statements about cyber law.所有的选择,是真实的陈述,网络法.互联网Cyber war techniques can be treated as weapons of mass destruction.网络作战技术可视为大规模杀伤性武器.互联网This is, in short, a new kind of cyber - attack.简言之, 这是一种新型的网络攻击.互联网The panel also says that China is aggressively pursuing its cyber - warfare capabilities.该小组还称中国正野心勃勃地壮大其网络作战能力.互联网It & cyber club # 39 ; s from a poem Walt Whitman about Mr. Abraham Lincoln.出自沃尔特·惠特曼,为亚伯拉罕·林肯写的一首诗.互联网Shopping online has been a fashion to the cyber citizen.网上购物,已经成为网民的一种时尚.互联网Digital Cyber Technologies Group Ltd British Virgin Islands US $ 1 100 % Property holding.英属处女群岛1美元持有物业.互联网收起实用场景例句真题例句全部六级While Thanksgiving, Black Friday and Cyber Monday all saw record spending online, in-store sales plunged over the holiday weekend.出自-2017年6月阅读原文About 183.8 million people will shop on Cyber Monday, the first Monday after Thanksgiving.出自-2017年6月听力原文收起真题例句释义实用场景例句真

What is Cybersecurity? | IBM

What is Cybersecurity? | IBM

What is cybersecurity?

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What is cybersecurity?

Cybersecurity refers to any technology, measure or practice for preventing cyberattacks or mitigating their impact. 

Cybersecurity aims to protect individuals’ and organizations’ systems, applications, computing devices, sensitive data and financial assets against computer viruses, sophisticated and costly ransomware attacks, and more.

Cyberattacks have the power to disrupt, damage or destroy businesses, and the cost to victims keeps rising. For example, according to IBM's Cost of a Data Breach 2023 report, 

The average cost of a data breach in 2023 was USD 4.45 million, up 15% over the last three years;

The average cost of a ransomware-related data breach in 2023 was even higher, at USD 5.13 million. This number does not include the cost of the ransom payment, which averaged an extra USD 1,542,333, up 89% from the previous year. 

By one estimate, cybercrime might cost the world economy USD 10.5 trillion per year by 2025.1

The expanding information technology (IT) trends of the past few years include:

a rise in cloud computing adoption,

network complexity,

remote work and work from home,

bring your own device (BYOD) programs,

and connected devices and sensors in everything from doorbells to cars to assembly lines.

All these trends create tremendous business advantages and human progress, but also provide exponentially more opportunities for cybercriminals to attack.

Not surprisingly, a recent study found that the global cybersecurity worker gap—the gap between existing cybersecurity workers and cybersecurity jobs that need to be filled—was 3.4 million workers worldwide.2 Resource-strained security teams are focusing on developing comprehensive cybersecurity strategies that use advanced analytics, artificial intelligence and automation to fight cyberthreats more effectively and minimize the impact of cyberattacks.

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IBM Security X-Force Threat Intelligence Index

Gain insights to prepare and respond to cyberattacks with greater speed and effectiveness with the IBM Security X-Force Threat Intelligence Index.

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Register for the Cost of a Data Breach report

Types of cybersecurity (cybersecurity domains)

A strong cybersecurity strategy protects all relevant IT infrastructure layers or domains against cyberthreats and cybercrime.

Critical infrastructure security

Critical infrastructure security protects the computer systems, applications, networks, data and digital assets that a society depends on for national security, economic health and public safety. In the United States, the National Institute of Standards and Technology (NIST) developed a cybersecurity framework to help IT providers in this area. The US Department of Homeland Security’ Cybersecurity and Infrastructure Security Agency (CISA) provides extra guidance.

Network security

Network security prevents unauthorized access to network resources, and detects and stops cyberattacks and network security breaches in progress. At the same time, network security helps ensure that authorized users have secure and timely access to the network resources they need.

Endpoint security

Endpoints—servers, desktops, laptops, mobile devices—remain the primary entry point for cyberattacks. Endpoint security protects these devices and their users against attacks, and also protects the network against adversaries who use endpoints to launch attacks.

Application security

Application security protects applications running on-premises and in the cloud, preventing unauthorized access to and use of applications and related data. It also prevents flaws or vulnerabilities in application design that hackers can use to infiltrate the network. Modern application development methods—such as DevOps and DevSecOps—build security and security testing into the development process.

Cloud security

Cloud security secures an organization’s cloud-based services and assets—applications, data, storage, development tools, virtual servers and cloud infrastructure. Generally speaking, cloud security operates on the shared responsibility model where the cloud provider is responsible for securing the services that they deliver and the infrastructure that is used to deliver them. The customer is responsible for protecting their data, code and other assets they store or run in the cloud. The details vary depending on the cloud services used.

Information security

Information security (InfoSec) pertains to protection of all an organization's important information—digital files and data, paper documents, physical media, even human speech—against unauthorized access, disclosure, use or alteration. Data security, the protection of digital information, is a subset of information security and the focus of most cybersecurity-related InfoSec measures.

Mobile security

Mobile security encompasses various disciplines and technologies specific to smartphones and mobile devices, including mobile application management (MAM) and enterprise mobility management (EMM). More recently, mobile security is available as part of unified endpoint management (UEM) solutions that enable configuration and security management for multiple endpoints—mobile devices, desktops, laptops, and more—from a single console.

Common cybersecurity threats

Malware

Malware—short for "malicious software"—is any software code or computer program that is written intentionally to harm a computer system or its users. Almost every modern cyberattack involves some type of malware.

Hackers and cybercriminals create and use malware to gain unauthorized access to computer systems and sensitive data, hijack computer systems and operate them remotely, disrupt or damage computer systems, or hold data or systems hostage for large sums of money (see Ransomware).

Read more about malware

Ransomware

Ransomware is a type of malware that encrypts a victim’s data or device and threatens to keep it encrypted—or worse—unless the victim pays a ransom to the attacker. According to the IBM Security X-Force Threat Intelligence Index 2023, ransomware attacks represented 17 percent of all cyberattacks in 2022.

“Or worse” is what distinguishes today's ransomware from its predecessors. The earliest ransomware attacks demanded a single ransom in exchange for the encryption key. Today, most ransomware attacks are double extortion attacks, demanding a second ransom to prevent sharing or publication of the victims data. Some are triple extortion attacks that threaten to launch a distributed denial of service attack if ransoms aren’t paid.

Read more about ransomware

Phishing

Phishing attacks are email, text or voice messages that trick users into downloading malware, sharing sensitive information or sending funds to the wrong people. Most users are familiar with bulk phishing scams—mass-mailed fraudulent messages that appear to be from a large and trusted brand, asking recipients to reset their passwords or reenter credit card information. But more sophisticated phishing scams, such as spear phishing and business email compromise (BEC), target specific individuals or groups to steal especially valuable data or large sums of money.

Phishing is just one type of social engineering—a class of ‘human hacking’ tactics and attacks that use psychological manipulation to tempt or pressure people into taking unwise actions.

Read more about phishing

Insider threats

Insider threats are threats that originate with authorized users—employees, contractors, business partners—who intentionally or accidentally misuse their legitimate access, or have their accounts hijacked by cybercriminals. Insider threats can be harder to detect than external threats because they have the earmarks of authorized activity, and are invisible to antivirus software, firewalls and other security solutions that block external attacks.

One of the more persistent cybersecurity myths is that all cybercrime comes from external threats. In fact, according to a recent study, 44% of insider threats are caused by malicious actors, and the average cost per incident for malicious insider incidents in 2022 was USD 648,062.3 Another study found that while the average external threat compromises about 200 million records, incidents involving an inside threat actor resulted in exposure of one billion records or more.4

Read more about insider threats

Distributed denial of service (DDoS) attacks

A DDoS attack attempts to crash a server, website or network by overloading it with traffic, usually from a botnet—a network of multiple distributed systems that a cybercriminal hijacks by using malware and remote-controlled operations.

The global volume of DDoS attacks spiked during the COVID-19 pandemic. Increasingly, attackers are combining DDoS attacks with ransomware attacks, or simply threatening to launch DDoS attacks unless the target pays a ransom.

Read more about DDoS attacks

Common (and dangerous) cybersecurity myths

Despite an ever-increasing volume of cybersecurity incidents worldwide and ever-increasing volumes of learnings that are gleaned from them, some dangerous misconceptions persist.

Strong passwords alone are adequate protection. Strong passwords make a difference. For example, a 12-character password takes 62 trillion times longer to crack than a 6-character password. But because cybercriminals can steal passwords (or pay disgruntled employees or other insiders to steal them), they can’t be an organization’s or individual’s only security measure.

 

The major cybersecurity risks are well known. In fact, the risk surface is constantly expanding. Thousands of new vulnerabilities are reported in old and new applications and devices every year. Opportunities for human error—specifically by negligent employees or contractors who unintentionally cause a data breach—keep increasing.

 

All cyberattack vectors are contained. Cybercriminals are finding new attack vectors all the time—including Linux systems, operational technology (OT), Internet of Things (IoT) devices and cloud environments.

 

‘My industry is safe.’ Every industry has its share of cybersecurity risks, with cyber adversaries exploiting the necessities of communication networks within almost every government and private-sector organization. For example, ransomware attacks are targeting more sectors than ever, including local governments, non-profits and healthcare providers. Threats on supply chains, ".gov" websites, and critical infrastructure have also increased.

 

Cybercriminals don’t attack small businesses. Yes, they do. For example, in 2021, 82 percent of ransomware attacks targeted companies with fewer than 1,000 employees; 37 percent of companies attacked with ransomware had fewer than 100 employees.5

Key cybersecurity technologies and best practices

The following best practices and technologies can help your organization implement strong cybersecurity that reduces your vulnerability to cyberattacks and protects your critical information systems without intruding on the user or customer experience.

Security awareness training

Security awareness training helps users understand how seemingly harmless actions—from using the same simple password for multiple log-ins, to oversharing on social media—increases their own or their organization’s risk of attack. Security awareness training combined with thought-out data security policies can help employees protect sensitive personal and organizational data. It can also help them recognize and avoid phishing and malware attacks.

Identity and access management

Identity and access management (IAM) defines the roles and access privileges for each user, and the conditions under which they are granted or denied their privileges. IAM technologies include multi-factor authentication, which requires at least one credential in addition to a username and password, and adaptive authentication, which requires more credentials depending on context. 

Attack surface management

Attack surface management (ASM) is the continuous discovery, analysis, remediation and monitoring of the cybersecurity vulnerabilities and potential attack vectors that make up an organization’s attack surface. Unlike other cyberdefense disciplines, ASM is conducted entirely from a hacker’s perspective, rather than the perspective of the defender. It identifies targets and assesses risks based on the opportunities they present to a malicious attacker.

Threat detection, prevention and response

Organizations rely on analytics- and AI-driven technologies to identify and respond to potential or actual attacks in progress because it's impossible to stop all cyberattacks. These technologies can include (but are not limited to) security information and event management (SIEM), security orchestration, automation and response (SOAR), and endpoint detection and response (EDR). Typically, these technologies are used as part of a formal incident response plan.

Disaster recovery

Disaster recovery capabilities often play a key role in maintaining business continuity in the event of a cyberattack. For example, the ability to fail over to a backup that is hosted in a remote location can enable a business to resume operations quickly following a ransomware attack (and sometimes without paying a ransom).

Related solutions

IBM Security® QRadar® Suite

Outsmart attacks with a connected, modernized security suite. The QRadar portfolio is embedded with enterprise-grade AI and offers integrated products for endpoint security, log management, SIEM and SOAR—all with a common user interface, shared insights and connected workflows.

Explore QRadar Suite

X-Force® incident response team

Proactive threat hunting, continuous monitoring and a deep investigation of threats are just a few of the priorities facing an already busy IT department. Having a trusted incident response team on standby can reduce your response time, minimize the impact of a cyberattack, and help you recover faster.

Explore X-Force incident response

IBM Security® MaaS360®

AI-driven unified endpoint management (UEM) protects your devices, apps, content and data. This protection means you can rapidly scale your remote workforce and bring-your-own-device (BYOD) initiatives while building a zero trust security strategy. 

Explore MaaS360

Data security and protection solutions

Implemented on premises or in a hybrid cloud, IBM data security solutions help you investigate and remediate cyberthreats, enforce real-time controls and manage regulatory compliance.

Explore data security and protection solutions

Resources

Report

Cost of a Data Breach 2023

Be better prepared for breaches by understanding their causes and the factors that increase or reduce costs. Learn from the experiences of more than 550 organizations that were hit by a data breach.

Get the report

Related topic

What is SIEM?

SIEM (security information and event management) is software that helps organizations recognize and address potential security threats and vulnerabilities before they can disrupt business operations.

Learn more

Report

IBM Security X-Force Threat Intelligence Index 2023

Know the threat to beat the threat—get actionable insights that help you understand how threat actors are waging attacks, and how to proactively protect your organization.

Get the report

Workshop

IBM Security Framing and Discovery Workshop

Understand your cybersecurity landscape and prioritize initiatives together with senior IBM security architects and consultants in a no-cost, virtual or in-person, 3-hour design thinking session.

Get the details

Related topic

What is threat management?

Threat management is a process used by cybersecurity professionals to prevent cyberattacks, detect cyber threats and respond to security incidents.

Learn more

Expert guide

Definitive guide to ransomware 2023

Find insights for rethinking your ransomware defenses and building your ability to remediate an evolving ransomware situation more rapidly.

Register and download

Take the next step

Cybersecurity threats are becoming more advanced and more persistent, and demanding more effort by security analysts to sift through countless alerts and incidents. IBM Security QRadar SIEM helps you remediate threats faster while maintaining your bottom line. QRadar SIEM prioritizes high-fidelity alerts to help you catch threats that others simply miss.

Explore QRadar SIEM

Book a live demo

Footnotes

1 Cybercrime threatens business growth. Take these steps to mitigate your risk. (link resides outside ibm.com)

2Bridging the 3.4 million workforce gap in cybersecurity (link resides outside ibm.com)

3 2022 Ponemon Cost of Insider Threats Global Report (link resides outside ibm.com)

4 Verizon 2023 Data Breach Investigations Report (link resides outside ibm.com)

5 82% of Ransomware Attacks Target Small Businesses, Report Reveals (link resides outside ibm.com)

地图 | 卡巴斯基网络威胁实时地图

地图 | 卡巴斯基网络威胁实时地图

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CYBER | English meaning - Cambridge Dictionary

CYBER | English meaning - Cambridge Dictionary

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Meaning of cyber in English

cyberadjective uk

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/ˈsaɪ.bər/ us

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/ˈsaɪ.bɚ/

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involving, using, or relating to computers, especially the internet: The risks posed by cyber criminals are greater than ever before. This virtual universe allows participants to operate cyber versions of themselves. The attacks yesterday appeared to be cyber in nature.

More examplesFewer examplesThey are actively engaged in both military activities and cyber activities aimed at undermining their enemies.Our nation has millions of cyber addicts.School bullying includes psychological, emotional, cyber, social, or physical harassment of one student by another.Many warn of the dangerous effects of our world going completely cyber.

SMART Vocabulary: related words and phrases

Internet terminology

.plc.uk

2FA

2SV

above/below the fold idiom

address bar

affiliate link

atm

hybrid

internet

internet-enabled

interweb

IP

keyboard warrior

ping

service provider

trolling

tweep

tweeter

tweetstorm

twitterati

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cybernoun [ U ] uk

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/ˈsaɪ.bər/ us

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/ˈsaɪ.bɚ/

computers, especially the internet, and activities that use them: Their national security priorities are counterterrorism, counterintelligence and cyber. This online magazine will keep you keep up with everything new in the worlds of cyber, fashion, and music.

More examplesFewer examplesOnline crime is harder for national law enforcement to deal with because with cyber there are no borders.If another state launches a missile attack at you, you can say with certainty where it came from; this is not the case with cyber.

SMART Vocabulary: related words and phrases

Internet terminology

.plc.uk

2FA

2SV

above/below the fold idiom

address bar

affiliate link

atm

hybrid

internet

internet-enabled

interweb

IP

keyboard warrior

ping

service provider

trolling

tweep

tweeter

tweetstorm

twitterati

See more results »

cyber-prefix uk

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/saɪ.bər-/ us

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/saɪ.bɚ-/

involving, using, or relating to computers, especially the internet: cybercrime cyberculture

SMART Vocabulary: related words and phrases

Internet terminology

.plc.uk

2FA

2SV

above/below the fold idiom

address bar

affiliate link

atm

hybrid

internet

internet-enabled

interweb

IP

keyboard warrior

ping

service provider

trolling

tweep

tweeter

tweetstorm

twitterati

See more results »

(Definition of cyber from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

cyber- | American Dictionary

cyber-prefix us

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/ˈsɑɪ·bər/

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computer: cybercrime

(Definition of cyber from the Cambridge Academic Content Dictionary © Cambridge University Press)

cyber- | Business English

cyber-prefix

  INTERNET uk

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/saɪbər/ us

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involving, using, or relating to computers, especially the internet: cybersales/the cyber-economy The cyber-economy of telecoms and the internet theoretically makes it possible for chunks of the workforce to operate from home.

(Definition of cyber from the Cambridge Business English Dictionary © Cambridge University Press)

What is the pronunciation of cyber, cyber-?

 

B1

 

Browse

cyanide

cyanobacteria

BETA

cyanosis

BETA

cyathium

BETA

cyber

cyber hygiene

cyber law

cyber mall

Cyber Monday

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Word of the Day

veggie burger

UK

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/ˈvedʒ.i ˌbɜː.ɡər/

US

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/ˈvedʒ.i ˌbɝː.ɡɚ/

a type of food similar to a hamburger but made without meat, by pressing together small pieces of vegetables, seeds, etc. into a flat, round shape

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