此类信息邀请用户下载新的密码，并通过其附带的软件为黑客留下远程登录的后门。
The message invites users to download a new password, but carries a piece of software that could allow their machine to be invaded by hackers.
恶意软件正与日俱增(间图二)，其典型用途是偷盗密码和其他数据，或者打开电脑的“后门[注4]”以便入侵者控制。
Malware is exploding (see chart 2). It is typically used to steal passwords and other data, or to open a "back door" to a computer so that it can be taken over by outsiders.
这些“后门”本是用销售公司的技术人员为了更新运行软件而留下的密码。
These are passwords used by technicians from firms that sell the devices to update the software that runs them.
后门是一个软件程序，使黑客未经授权访问的机器和手段，远程控制的机器在用户不知道。
Backdoor is a software program that gives an attacker unauthorized access to a machine and the means for remotely controlling the machine without the user's knowledge.
后门是一个软件程序，使黑客未经授权访问的机器和手段，远程控制的机器在用户不知道。
Backdoor is a software program that gives an attacker unauthorized access to a machine and the means for remotely controlling the machine without the user's knowledge.
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