毁损，磨灭，涂销
1. 网站置换：根据记者高阶威胁研究人员Paul Ferguson,这次的攻击不是网站置换(defacement)攻击. 这次的攻击是网域名系统(Domain Name System,简称DNS)挟持型攻击(hijacking attack),攻击者布局取得目标网站登录注册帐号的登入凭证,
2. 磨损,磨耗：deep-space laser tracking system 外层空间激光跟踪系统 | defacement 磨损,磨耗 | defcused image 散焦像,离下像
3. 磨损：deface 损伤 | defacement 磨损 | defacto 事实上的
4. 毁损：去激光子 de-excitation photon | 毁损 defacement | 脱脂 defat
noun
1. the act of damaging the appearance or surface of something
e.g. the defacement of an Italian mosaic during the Turkish invasion
he objected to the dam's massive disfigurement of the landscape
Synonym: disfigurement disfiguration