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Ai-driven cybersecurity threats signal a new era in cyberattacks

Horizon3.aiSource: CyberScoop27/08/2026, 17:36
A prominent investor, Aaron Jacobson, affiliated with NEA, has invested $250 million in Horizon3.ai, an autonomous pen testing company, signaling a shift in cybersecurity toward an AI-versus-AI era. Jacobson asserts that the so-called 'vulnpocalypse'—a term used to describe a surge in cybersecurity vulnerabilities—has already materialized, with AI-discovered vulnerabilities becoming the primary method for attackers to infiltrate enterprises. He highlights that overprovisioned AI agents are now prime targets for phishing attacks, as these agents, equipped with user credentials but lacking common sense, can be manipulated through prompt injection to exfiltrate data that a human would never access. Jacobson distinguishes between the debate over open weights and the open source movement, arguing that inexpensive open competition ultimately benefits defenders. He also reflects on his most significant misjudgment from 18 months ago, which he acknowledges was a critical oversight. In a separate segment, reporter Greg engages with Matt Kapko to discuss the cybersecurity implications of the GTA VI leaks, providing further insight into how such leaks can impact the security landscape.