KnowBe4 Report: AI-Driven Phishing Attacks Surge to 86%, Expanding Beyond Email

Event summary

  • 86% of phishing attacks in the last six months were AI-driven, per KnowBe4's latest report.
  • Calendar invite phishing increased by 49%, while Microsoft Teams attacks rose by 41%.
  • Reverse proxies for stealing Microsoft 365 credentials surged by 139%.
  • Multi-channel orchestration is replacing single-vector attacks as the dominant tactic.

The big picture

KnowBe4's findings highlight a fundamental shift in cybersecurity threats, with AI enabling more sophisticated, multi-channel phishing campaigns. As businesses increasingly rely on real-time collaboration tools, the attack surface has expanded beyond traditional email channels. This evolution requires security providers to develop more holistic protection strategies that account for both human and AI vulnerabilities.

What we're watching

Attack Vector Evolution
How cybercriminals' shift to multi-channel orchestration will challenge traditional security defenses.
AI Defense Arms Race
Whether KnowBe4's focus on securing both humans and AI agents can keep pace with adversarial AI advancements.
Enterprise Adaptation
The pace at which businesses will adopt comprehensive security solutions for emerging collaboration tools like calendar apps and messaging platforms.

Related topics

Technology