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Russian Operation Zero (OpZero) Specializes in Acquiring Zero-Day Exploits

ID: 6ffb8606-b2e2-543a-9a37-bc329d6b221d

STIX ID: report--6ffb8606-b2e2-543a-9a37-bc329d6b221d

Feed Name: Halcyon Blog

Threat Score
82/100

Date Published: 2025-06-02

Date Updated: 2026-04-28

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Operation Zero is a Saint Petersburg–based zero-day brokerage that acquires high-quality, fully functional zero-day exploits from researchers (via encrypted channels such as PGP) and sells them—officially only to Russian clients—to supply state and affiliated offensive cyber operations; the report documents payout levels for mobile, desktop, server, and network targets, leadership, and the ecosystem’s blurred lines with ransomware and cybercriminal groups, arguing these capabilities enable high-end espionage and can trickle into extortion campaigns.

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