At a glance
Organisation
Multiple federal agencies
Kind
Breach or incident
Sector
Government
Severity
Critical
Disclosed
Mar 2021
Indexed
2 Mar 2021
Source
Not linked
Summary
Multiple federal agencies breached via Hafnium Exchange zero-days
This record says what was disclosed, when and by whom. It does not say that any person or firm was affected.
Related in this sector
Medium20 Oct 2026
Assurance Retraite
Government · 70,372 records
70,372 records exposed, Dates of birth, Email addresses, Family members' names, Government issued IDs and 5 more
20 Oct 2026
Critical18 Oct 2026
Personal information of 3 million people
Government · 3,000,000 records
Personal information of 3 million people exposed in breach of Pentagon personnel agency.
18 Oct 2026
High18 Oct 2026
Driver records
Government · Records not stated
Driver records breached; state is mailing breach notification letters and offering affected drivers $1M identity theft insurance and credit monitoring.
18 Oct 2026
Critical16 Oct 2026
Baltimore suburb
Government · Records not stated
Anne Arundel County, Maryland, said an intruder stole files from government systems, and investigators are working to assess how much data was exposed.
16 Oct 2026