Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Guidance Software

1 breach3,800 affected in allTechguidancesoftware.com

Hackers stole card data that security software firm kept in clear textHacking exposed names and payment cards.Hacking3,800 affectedTechUSDec 20, 2005
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Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

Added2026-09-25
Guidance Software, 2005-12-20
Added2026-09-25
Guidance Software