What is XSS
Cross site scripting attack, where attackers inject malicious scripts into web pages to steal user cookies or sessions. Defense: Input filtering, output escaping CSP。
What is CSRF
Cross site request forgery induces users to perform unexpected actions while already logged in. Defense: CSRF Token, Referer Check SameSite Cookie。
What is SQL injection
Insert SQL statements into the input and tamper with database queries. Defense: Parameterized queries ORM、 Input verification.
Best Safety Practices
Minimum privilege principle, input verification, output encoding HTTPS、 Regular safety audits.
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