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44 disclosed this week · 26,355 on record

Accellion

Disclosed Feb 1, 2021Confirmed

Official notice

Zero-day attacks on legacy FTA file transfer appliance hit dozens of organizations

Accellion said its 20-year-old File Transfer Appliance was the target of a sophisticated cyberattack and that all FTA customers were notified on December 23, 2020; attackers linked to FIN11 and the Clop gang stole files from customers and extorted them.

What is known

People affectedNot stated in the sources we have
DisclosedFeb 1, 2021
DiscoveredDec 2020
AttackSupply chain
Data exposedInternal documentsOther
SectorTech · US
StatusConfirmed
Part ofAccellion (2021)

Sources

Notices filed

Same campaign

History of this record
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.

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