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Qualys

Disclosed Mar 4, 20215 years agoConfirmed

SEC filing

Qualys customer files taken through Accellion FTA server

Qualys confirmed that its Accellion FTA file transfer server was compromised and some customer files were exposed, while its cloud platform hosting customer data was not affected.

What is known

People affectedNot stated in the sources we have
DisclosedMar 4, 2021
AttackSupply chain
Data exposedInternal documents
SectorTech · US
StatusConfirmed
Part ofAccellion (2021)

Sources

Notices filed

WhereFiledPeople
ResearchtotalMar 4, 2021

Same campaign

Other breaches at Qualys

BreachAffected
Qualys Salesforce data stolen via Salesloft Drift OAuth tokensSep 4, 20251 year agoSupply chainUnknown
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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