MOVEit, Capita, CitrixBleed and more: The biggest data breaches of 2023

This TechCrunch-style roundup summarizes the most damaging cyber incidents of 2023, describing multiple mass breaches and exploits — including zero-days in Fortra GoAnywhere and MOVEit exploited by Clop, a Citrix NetScaler flaw used by LockBit, a 3CX supply-chain compromise attributed to Lazarus-linked actors, the Storm-0558 Microsoft key theft, and the 23andMe data theft — that collectively resulted in millions of exposed records, extensive operational disruption, and demonstrated both organized cybercriminal and nation-state activity.