Tag

Enterprise Cybersecurity

posts

Cybersecurity Due Diligence

Cybersecurity Due Diligence: What Most Companies Skip

The $350 Million Checkbox That Wasn't Checked When Verizon acquired Yahoo in 2017, two massive data breaches — affecting all three billion Yahoo accounts — knocked $350 million off the purchase price. The breaches had happened years earlier, but inadequate cybersecurity due diligence meant the full scope wasn't

Carl B. Johnson Jul 07, 2026 6 min read
Zero Trust Network Access

Zero Trust Network Access: A Practical 2025 Guide

The VPN That Let Attackers Walk Right In In January 2024, the Cybersecurity and Infrastructure Security Agency (CISA) confirmed that Chinese state-sponsored threat actors had exploited Ivanti Connect Secure VPN vulnerabilities to breach multiple U.S. federal agencies. The attackers didn't kick down the door. They walked through

Carl B. Johnson May 25, 2025 7 min read