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Security of Cyberspace

Broad exploration of threats, policies, and protective measures shaping the security of the global digital landscape. Topics include nation-state threats, critical infrastructure protection, internet governance, cyber warfare trends, and collective defense strategies.

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Security of Cyberspace

Security of Cyberspace: What Actually Works in 2021

The Colonial Pipeline ransomware attack in May 2021 shut down fuel delivery across the U.S. East Coast for nearly a week. Gas stations ran dry. Panic buying erupted. A single compromised password — reportedly linked to an inactive VPN account without multi-factor authentication — brought critical infrastructure to its knees. If

Carl B. Johnson Jun 03, 2021 6 min read
Security of Cyberspace

Security of Cyberspace: What Actually Works in 2026

In February 2024, Change Healthcare — one of the largest health payment processors in the United States — suffered a ransomware attack that disrupted pharmacy operations, delayed insurance claims, and exposed the protected health information of roughly 100 million people. One set of stolen credentials. No multi-factor authentication on a critical system.

Carl B. Johnson Feb 25, 2019 6 min read