defacement

基本解释

Adding a hashcash challenge does not prevent automated defacement of Wiki sites, but it can make a vandalbot crawl much more slowly.
添加 hashcash 质询并不能防止对 Wiki 站点的自动破坏，但是它可以使破坏行为变得更慢。
One non-e-mail context in which hashcash appears to be a good solution is in the rather spam-like defacement that Wikis sometimes suffer.
Wiki 有时会遭遇到与垃圾邮件十分类似的破坏，bashcash 在非电子邮件上下文中似乎是一个不错的解决方案。
In most cases, attackers at this level will attempt what is probably one of the simplest attacks: altering a Web site—classically known as a defacement.
在大多数情况下，该级别的攻击者将尝试实现最简单的攻击：更改 Web 站点 —— 通常称为破坏（defacement）。

This web site defacement mirrors the one that happened to ESPN.com last year.
FORBES: Newsweek Reports The Zombie Invasion
As Forbes contributor Jeffrey Carr underscores in a recent post, activist defacement of websites is not uncommon.
FORBES: Connect
And Keys himself mentioned the defacement in a blog post he wrote for more recent employer, Reuters, last year.
FORBES: Move up http://i.forbesimg.com t Move down