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Accellion

Disclosed Feb 1, 20215 years agoConfirmed

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 documents, Other
SectorTech · US
StatusConfirmed
Part ofAccellion (2021)

Sources

Source
Accellion Provides Update to Recent FTA Security Incidentaccellion.com · The organization
The Accellion Breach Keeps Getting Worse, and More Expensivewired.com · News

Notices filed

WhereFiledPeople
ResearchtotalFeb 1, 2021

Same campaign

History of this record
  • 2026-09-25 · added · seed source

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

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