Security articles

Two flaws in PHP itself let unauthenticated attackers run code on web servers, and CISA confirms they are exploited. What is affected, how to check your PHP version, and how to patch or mitigate.

A remotely reachable use-after-free in the Linux kernel's IPv4 TCP handshake, present since kernel 4.4. How serious it is, how to check your kernel, and how to patch, livepatch or mitigate it.

Next.js 16.4.5 and 15.5.29 fix seven vulnerabilities, mostly cache bugs that can leak one user's or tenant's data to another. Which apps are affected and how to upgrade safely.

A Content Delivery Network (CDN) is one of the most impactful infrastructure decisions you can make for your website. Learn what it is, how it works, and why it's essential for speed, security, and reliability.

A critical Remote Code Execution (RCE) vulnerability dubbed 'React2Shell' has been discovered in Next.js, affecting versions using React Server Components. Learn how to protect your application.

Dive deep into SSH (Secure Shell), the standard for secure remote login. Learn about key generation, config files, tunneling, and best practices for securing your servers.

A comprehensive guide to Role-Based Access Control (RBAC), its benefits, implementation, and best practices for securing your applications.

Learn about rate limiting techniques, why they're essential for your applications, and how to implement them effectively to protect your APIs and services from abuse.

Dive into the essential concepts of computer networking, from the OSI model to modern networking protocols and best practices.