Security Unlocked
Behavioral Security April 21, 2026

Defenders Under Siege: How Adversaries Turned Security Tools Into Weapons This Week

Three incidents this week reveal the same strategic pattern: attackers turning trusted defensive infrastructure into weapons. Microsoft Defender zero-days, the Trivy scanner compromise that breached the European Commission, and UNC6783's live-chat social engineering all exploit a cognitive constant: defenders don't question the tools they depend on.

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