Greylock McKinnon Associates

1 breach353K affected in allOther

Government consulting firm says hackers stole up to 341,650 SSNsHacking exposed names and Social Security numbers. Reported to the California AG.Hacking353K affectedUSFeb 23, 2024

About

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

records2026-09-25

Greylock McKinnon Associates, 2024-02-23352965

disclosed2026-09-25

Greylock McKinnon Associates, 2024-02-232024-02-23

attack2026-09-25

Greylock McKinnon Associates, 2024-02-23hacking

data_types2026-09-25

Greylock McKinnon Associates, 2024-02-23["names","ssn"]

records_basis2026-09-25

Greylock McKinnon Associates, 2024-02-23organization

records2026-09-25

Greylock McKinnon Associates, 2024-02-23341650

summary2026-09-25

Greylock McKinnon Associates, 2024-02-23Economic and litigation consulting firm Greylock McKinnon Associates disclosed that a May 2023 cyberattack exposed data including as many as 341,650 Social Security numbers, posting its notice on Maine's breach website.

title2026-09-25

Greylock McKinnon Associates, 2024-02-23Government consulting firm says hackers stole up to 341,650 SSNs

discovered2026-09-25

Greylock McKinnon Associates, 2024-02-232024-02-07

disclosed2026-09-25

Greylock McKinnon Associates, 2024-02-232024-04-05

Added2026-09-25

Greylock McKinnon Associates, 2024-02-23

Added2026-09-25

Greylock McKinnon Associates