Research2026-08-04

Cyber insurer Resilience reported that attacks relying on tricking employees accounted for 85.3% of losses in its claims portfolio in the first half of 2026, up sharply from two years earlier. The firm attributes the rise to AI-generated phishing emails and cloned voices that make impersonation harder to spot. One case involved a finance chief authorising a wire transfer after a video call with synthetic copies of colleagues. The figures cover one insurer's own portfolio, not the wider market.

What changed

Two years earlier, attacks exploiting human error accounted for 17.7% of incurred losses in the same insurance portfolio.

  • 85.3% of incurred losses in first half of 2026, up from 17.7% two years earlier
  • payment transfer fraud share of insured losses rose to 9.2% from 2.9%
  • claims data from January 2024 through June 2026

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