2 posts
Security
Security
What is Ransomware? File Encryption Malware and Prevention
Ransomware is malware that encrypts files and demands a ransom payment to restore them. From WannaCry 2017 to LockBit 2023, ransomware costs billions annually. Learn the AES+RSA encryption mechanism, RaaS model, and 3-2-1 backup prevention strategy.
Security
What Is a WAF? Web Application Firewall Explained
A WAF (Web Application Firewall) provides Layer 7 protection against SQLi, XSS, LFI, and web application attacks. Learn how WAFs work, ModSecurity, AWS WAF, Cloudflare WAF, and deployment modes.