Every public data breach

47 disclosed this week · 26,367 on record

Costco Wholesale

2 breaches1,262 affected in allOther

About

Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

Added2026-09-25
Costco Wholesale, 2016-02-10
Added2026-09-25
Costco Wholesale, 2021-11-05
Added2026-09-25
Costco Wholesale