篡改攻击时利用系统（软件）存在的漏洞破坏系统原有机制，蓄意增、删、改、查系统信息，同时形成虚假信息，从而导致信息泄露、系统（软件）破坏行为。常见的篡改攻击有网页篡改攻击、数据库篡改攻击、文件篡改攻击等。
以网站篡改攻击为例，某银行遭到黑客攻击，黑客篡改了银行的网站，通过替换网站登录页面，诱导用户输入账号密码，从而盗取用户信息。
英文翻译：
In the tampering attack, the loopholes existing in the system (software) are used to destroy the original mechanism of the system, deliberately add, delete, change and check system information, and at the same time form false information, resulting in information disclosure and system (software) destruction. Common tampering attacks include web page tampering attack, database tampering attack, file tampering attack and so on.
Take the website tampering attack as an example. A bank was attacked by hackers. The hackers tampered with the bank’s website and induced users to enter their account passwords by replacing the login page of the website, thereby stealing user information.
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