Security

Step-by-step guide to deploying Pi-hole for network-wide ad blocking and DNS security. Covers installation on Ubuntu/Raspberry Pi, advanced blocklists, DNSCrypt encryption, router configuration, and troubleshooting for maximum privacy protection.

Explore the Heartbleed vulnerability that shook internet security in 2014. Learn what it was, how it exposed SSL/TLS private keys, and why it forced millions to change passwords. Includes expert breakdowns from security researchers.

The 2013 Target breach exposed 40 million credit cards through a compromised HVAC vendor. Discover how hackers infiltrated Point-of-Sale systems, why Windows XP Embedded was a fatal choice, and what went wrong with Target’s security response.