Matthew Green: security will hit human defender bottlenecks within 12 months, and it'll hurt

matthew_d_green · x · 2026-10-19

Quoting a pessimistic take — defenders lose not because secure systems are impossible but because economics, incentives and complexity are against them, and security isn't a necessary property for most things built in cyber — cryptographer Matthew Green adds his judgment: within 12 months everything comes down to human bottlenecks, and defender bottlenecks are awful. "There's going to be a lot of pain before that changes." A blunt assessment of attack-defense imbalance in the AI era.

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