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Avast

Disclosed Mar 12, 201610 years ago422,959 accountsUnverified

In May 2014, the Avast anti-virus forum was hacked and 423k member records were exposed. The Simple Machines Based forum included usernames, emails and password hashes.

What is known

People affected422,959 (accounts in the leaked data, per Have I Been Pwned)
DisclosedMar 12, 2016
HappenedMay 26, 2014
AttackHacking
Data exposedEmails, Passwords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Avasthaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataMar 12, 2016422,959
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

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