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DNA evidence

A vulnerability that has existed for decades in DNA analysis equipment made by Thermo Fisher, and used widely in crime laboratories, allowed researchers to add or remove DNA profiles from evidence files, according to reporting by The Verge and the Wall Street Journal on 2 August 2026. The researchers reportedly used Claude, Anthropic's AI model, to help identify and exploit the flaw. Thermo Fisher has issued a patch, and there is no evidence the vulnerability was ever exploited maliciously. The significance of the finding lies less in any single case and more in what it reveals about how much forensic infrastructure has quietly depended on file integrity nobody was actively testing.

• The vulnerability had reportedly existed for decades without being identified, suggesting standard security auditing had not been applied to specialised forensic equipment at the same intensity as mainstream enterprise software.
• AI-assisted vulnerability research lowers the cost of finding this class of flaw, meaning similarly overlooked forensic and medical equipment may harbour comparable issues nobody has looked for yet.
• Thermo Fisher's equipment is used broadly enough across crime labs that a single flaw touches an unusually large share of stored forensic evidence nationally.
• The finding arrives amid the same week's broader concerns about AI-assisted security research being used offensively, giving this instance an unusually direct defensive counter-example.