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This article examines essential security measures for PHP applications, covering protection against SQL injection, XSS, CSRF, unsafe file uploads, session fixation, weak passwords, error disclosure, and the importance of HTTPS, with practical code examples and configuration tips to build more resilient web services.
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The article presents complete, licensed implementations of salted PBKDF2‑SHA1 password hashing for both ASP.NET (C#) and Ruby on Rails, detailing the source code, usage methods, and verification procedures to securely store and validate passwords.
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The article explains that general‑purpose hash functions like MD5 and SHA families are fast and vulnerable to brute‑force attacks, while bcrypt’s deliberately slow, work‑factor‑adjustable design makes it a far more secure choice for storing passwords.