V2EX data-exfiltration

Data-Exfiltration

定义 Definition

data exfiltration(数据外泄/数据渗出):指攻击者在未获授权的情况下,将组织或个人的敏感数据(如账号密码、客户信息、源代码、商业机密等)从受控环境中偷偷传出到外部系统或地点的行为。常见于网络入侵、恶意软件、内部人员泄密等场景。(在网络安全语境中也常写作 data exfiltration,不一定加连字符。)

发音 Pronunciation

/det ksfltren/

例句 Examples

The attacker used malware for data-exfiltration.
攻击者使用恶意软件进行数据外泄。

After gaining access to the server, the group performed slow, encrypted data-exfiltration over weeks to avoid triggering alarms.
在获取服务器访问权限后,该团伙连续数周以缓慢且加密的方式外传数据,以避免触发告警。

词源 Etymology

exfiltration 来自 ex-(“向外、出去”)+(类比)infiltration(“渗透”)。在军事/情报领域里,exfiltration 原指“从敌后撤离/撤出人员”;后来在网络安全领域中引申为“把数据从内部环境中撤出到外部”,与入侵后的“渗透(infiltration)”形成对照。data- 表明被“撤/外传”的对象是数据。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Web Application Hacker’s Handbook(Dafydd Stuttard, Marcus Pinto):在讲解Web攻击链与防护时讨论“data exfiltration(数据外传)”场景。
  • Practical Malware Analysis(Michael Sikorski, Andrew Honig):涉及恶意软件行为分析与“数据外泄/外传”相关技术与迹象。
  • The Art of Memory Forensics(Michael Hale Ligh 等):在取证与事件响应语境中提到数据被外传(data exfiltration)的证据与追踪方法。
  • Mandiant APT1: Exposing One of China’s Cyber Espionage Units(报告类著作):描述针对性入侵中数据被系统性外传(data exfiltration)的战术与流程。
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