如果您看到页面正在显示一个cookie，那么就可能发生用户帐号的会话攻击。
Also referred to as TCP session hijacking, a security attack on a user session over a protected network.也叫TCP会话劫持，它是在受保护的网络上对用户的会话进行安全攻击。
Another type of session hijacking is known as a man-in-the-middle attack, where the attacker, using a sniffer, can observe the communication between devices and collect the data that is transmitted.另一类会话劫持被叫做中间人攻击，攻击者利用探测程序，可以观测到设备之间的通信，并收集发送出去的数据。
