illegal access exception

例句：

1. 1. Theserver encountered an unexpected error while trying toaccess the website.
   服务器在尝试访问网站时遇到了意外的错误。
2. 2. The security system detectedan illegal access attempt and blocked the IPaddress.
   安全系统检测到非法访问尝试，并阻止了该IP地址。
3. 3. Thecompany implemented a new policy to prevent unauthorized access to its systems.
   公司实施了一项新政策，以防止未经授权访问其系统。