2023 CISA red team exercise at a federal agency revealed undetected malicious activity for 5 months due to critical security weaknesses.

CISA conducted a SILENTSHIELD red team exercise at an unnamed federal civilian executive branch agency in 2023, exposing critical security weaknesses like unpatched vulnerabilities, inadequate incident response, and weak credential management. The agency failed to detect malicious activity for 5 months. CISA's findings highlight the need for agencies to adopt defense-in-depth principles, network segmentation, and Secure-by-Design practices.

July 12, 2024
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