在这种情况下会存在一些风险，比如镜像可能被动过手脚，从而为攻击者提供后门。
In this case, an image might, for example, have been manipulated so as to provide back-door ac-cess for an attacker.
一位安全专家演示这一幕：访问一次有后门陷阱的网站(国内常说的钓鱼网站-译者注)，就可以给攻击者指引访问者的居住位置。
One visit to a booby-trapped website could direct attackers to a person's home, a security expert has shown.
通常，程序员会为使用拙劣技术进行的攻击留下后门，如没有严格地定义Web服务所需的输入数据的类型。
Often, programmers will leave the door open to attacks by using poor technique, like not strictly defining the types of data they expect as input to Web services.
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