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Computer Security Security

Computer Security Security: Layers That Actually Work

The Redundancy in "Computer Security Security" Is the Whole Point When the Colonial Pipeline ransomware attack shut down fuel distribution across the U.S. Southeast in 2021, the root cause wasn't exotic. It was a single compromised VPN credential without multi-factor authentication. One layer failed, and

Carl B. Johnson Apr 28, 2026 5 min read
Computer Security Security

Computer Security Security: Layers That Actually Work

In March 2022, Okta confirmed that the Lapsus$ threat actor group had breached a third-party support engineer's laptop and accessed internal systems. The attack didn't exploit some exotic zero-day vulnerability. It started with compromised credentials — a single point of failure in what should have been a

Carl B. Johnson Jul 30, 2022 7 min read
Computer Security Security

Computer Security Security: Layers That Actually Work

The Colonial Pipeline Just Proved Your Security Needs Security On May 7, 2021, a single compromised password shut down 5,500 miles of fuel pipeline. Colonial Pipeline paid a $4.4 million ransom within hours. The attack didn't exploit some exotic zero-day. It walked through a legacy VPN

Carl B. Johnson Jun 01, 2021 6 min read