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#accellion

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Analysis · May 20, 2026 · Colten Anderson

Before MOVEit and GoAnywhere, Cl0p's playbook was born on a 20-year-old Accellion box

The Accellion FTA breaches of late 2020 are where Cl0p's mass-data-theft-and-extortion model started. Four CVEs in a legacy file-transfer appliance, exploited to steal data from dozens of organizations. The product was already two decades old and on its way out.