
AI-Driven Cybersecurity: Staying a Hard Target
White paper overview
Turning a new vulnerability into a working attack once took weeks and now takes hours, while the median fix for a known-exploited flaw has grown to 43 days. The paper follows one engagement against a government-backed group in the energy sector, where the SIEM alerts never fired, and detection rules built from attacker behavior and mapped to MITRE ATT&CK kept catching the group through every tool change.
Who this white paper is for
CISOs and Heads of Security
Who need effective detection even if a technique has never been logged before.
CIOs and CTOs
Who manage both the cost of security tooling and the risk of vendor lock-in.
CPOs and Heads of Product
Who ship releases faster than annual security assessments can validate them.
Why this white paper matters
Exploitation has outrun the yearly test, and the regulator has already moved the clock.
43 days to fix a known-exploited flaw
Up from 32 a year earlier, while full remediation of the KEV catalog fell from 38% to 26% (Verizon 2026 DBIR).
Three days under CISA BOD 26-04
It is the deadline for the highest-risk vulnerabilities, with urgency set by exploitability and exposure rather than a CVSS score.
29% exploited at disclosure
Of the known-exploited vulnerabilities VulnCheck tracked in 2025 were attacked on or before the day their CVE was published.
A 45-minute technical review of one area with a security engineer, in place of a sales call
Authors
This white paper is authored by Andersen’s domain experts with hands-on industry experience.
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