Category Cyber security

Cloudflare Outage Due to Phishing URL Block Error

Cloudflare Outage Due to Phishing URL Block Error

In a significant operational mishap, Cloudflare’s R2 object storage platform experienced a major outage yesterday, disrupting multiple services for nearly an hour. This incident underscores the critical importance of robust operational protocols and training in tech environments. What Happened? Cloudflare…

Encrypting Data with ChaCha20-Poly1305 in Rust

Implementing ChaCha20-Poly1305 Encryption in Rust

ChaCha20-Poly1305 is a highly efficient and secure encryption algorithm that combines the ChaCha20 stream cipher with the Poly1305 message authentication code (MAC). This combination offers both encryption and authentication, making it a modern and reliable choice for safeguarding data. This…

AMD Fixes Critical Security Flaw

AMD Fixes Critical Security Flaw Allowing Malicious Microcode Patches

AMD has released critical firmware updates to address a high-severity security vulnerability, identified as CVE-2024-56161. This flaw allows attackers to load malicious microcode onto unpatched AMD CPUs due to a weakness in the microcode patch loader, which fails to properly…