Pacific BioLabs, Inc. falls victim to Cicada3301 Ransomware

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📌 Overview
On July 10, 2025, the ransomware group Cicada3301 claimed responsibility for an attack on Pacific BioLabs, Inc., a U.S.-based contract research organization (CRO). The actor alleges to have stolen 900GB of internal data, with a countdown set for public release in just under 20 days. Shared screenshots on the group’s Tor-based leak portal include confidential scientific documents, quality reports, contracts, and personally identifiable employee information.

Pacific BioLabs, founded in 1982 in San Francisco, specializes in preclinical and regulatory testing for pharmaceuticals, biotechnology, and medical devices. With over 40 years of experience, the organization serves clients requiring scientific rigor and regulatory compliance.

📊 Key Details