When security tools go quiet – the risk of EDR freeze

If your best EDR tools can be outsmarted, who can you trust?In her latest piece, Katie Barnett explores EDR-Freeze a proof-of-concept attack that leaves security tools appearing active while rendering them blind. Without shutting systems down, it freezes endpoint detection in place, giving attackers a silent window to move, steal, and escalate undetected.Katie reveals how EDR-Freeze exposes a deeper truth: attackers are now using systems exactly as designed, not breaking them. The implications for boards and CISOs are clear resilience can’t rely on green dashboard lights alone.True security comes from people, processes, and vigilance not just tools.