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.

Vladimir Pedchenko

Senior Director of Managed Services and Security

  • IT operations and security service leadership;
  • Building and scaling high-performing IT teams;
  • Critical systems reliability and transformation programs.

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