#Webセキュリティ

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SQL Injection Explained — How It Works, Common Attack Techniques, and Defenses

SQL injection (SQLi) is a long-standing vulnerability where user input is concatenated directly into SQL statements, let...

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CSRF Explained — How Cross-Site Request Forgery Works and How to Defend Against It

CSRF (Cross-Site Request Forgery) is a vulnerability where the victim, while logged in to a target site, is tricked by a...

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LFI/RFI Explained — How Local/Remote File Inclusion Works, Attack Techniques, and Defenses

LFI (Local File Inclusion) and RFI (Remote File Inclusion) occur when a web application takes a filename or URL from use...

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HTTP Security Headers — A Second Line of Defense That Tells the Browser How to Defend Itself

HTTP security headers are response headers the server uses to control browser behavior, blocking browser-side attacks li...

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SSRF Explained — How Server-Side Request Forgery Works, Attack Techniques, and Defenses

SSRF (Server-Side Request Forgery) is a vulnerability where the web application's server fetches an attacker-supplied UR...

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XSS Explained — How Cross-Site Scripting Works and How to Defend Against It

Cross-site scripting (XSS) injects malicious script into a web application so that it runs inside another user's browser...