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Sam's News — email-security — 2026-10-05

Security

7.5 AI-generated phishing attacks outpace native email filters

AI-generated phishing emails are increasingly bypassing native email security filters, with attack volume rising over 4,000% since ChatGPT's launch. AI-assisted fraud generated 4.5 times more profit than traditional fraud in 2025, according to Interpol, with the gap expected to widen. Researchers found AI phishing achieved 54% click-through rates at roughly 4 cents per email, and people are 4.5 times more likely to click AI-generated messages than manually written ones.

  • Phishing volume rose 4,000% since ChatGPT became widely available
  • AI-assisted fraud generated 4.5x more profit than traditional fraud in 2025 (Interpol)
  • AI phishing achieved 54% click-through rate, matching professional human attackers
  • AI emails cost ~4 cents per message via API vs ~30 minutes human time
  • People 4.5x more likely to click AI-assisted phishing than manually written
  • Single deepfake fraud case at Arup: $25 million stolen across 15 transfers

Sources: SecurityBrief New Zealand AI Web Searched

Current legal developments and effective countermeasures address the rising threat of business email compromise attacks.

Sources: Foley Hoag Web Search