Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Singtel

Disclosed Feb 11, 2021Unverified

Singtel customer data stolen through Accellion file sharing system

Singtel apologized after a zero-day attack on the Accellion file sharing system it used led to theft of data; press reports put the number of affected customers at about 129,000, including national ID details.

What is known

People affectedNot stated in the sources we have
DisclosedFeb 11, 2021
AttackSupply chain
Data exposedNamesGovernment IDsPhone numbersOther
SectorTelecom · SG
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Part ofAccellion (2021)

Sources

Newswired.com
The Accellion Breach Keeps Getting Worse, and More Expensive

Notices filed

TotalFeb 11, 2021
ResearchCount not stated

Same campaign

QualysSupply chain exposed internal documents.Supply chainTechUSMar 4, 2021AccellionZero-day attacks on legacy FTA file transfer appliance hit dozens of organizationsSupply chainTechUSFeb 1, 2021Australian Securities and Investments CommissionASIC server breached through Accellion file transfer softwareSupply chainGovernmentAUUnverifiedJan 25, 2021Reserve Bank of New ZealandFiles illegally downloaded from central bank's Accellion file sharing systemSupply chainGovernmentNZUnverifiedJan 10, 2021KrogerAccellion FTA breach exposes Kroger associate and pharmacy customer dataSupply chain1.5M affectedRetailUSJun 18, 2020
History of this record
Added2026-09-25
First recordedby seedSource

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

Everything about Singtel