Greylock McKinnon Associates
bd_4a2dc486a8f38bcb · schema v1 · pii pii-v1
Full breach record for Greylock McKinnon Associates →4 incidents on fileGreylock McKinnon Associates, Inc. (GMA), a consulting firm, experienced a ransomware attack. GMA detected unusual network activity on May 30, 2023. A forensic investigation concluded on March 4, 2024, that personal information of clients and their stakeholders was affected. This supplemental notice reports 15 affected New Hampshire residents. Additional affected individuals were identified in Rhode Island (12) and Texas (152), bringing the total disclosed nationwide count to 169. GMA is offering 12 months of complimentary credit monitoring via Experian IdentityWorks.
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Incident timeline
May 30, 2023
Discovered
Jun 27, 2024
Filed
vs. sector median
+39 wks slower
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- Maine State AGbd_790022af687f40602024-06-28 · +1dVerified
- California State AGbd_c834268ced33fa4f2024-06-28 · +1dCandidate
- Indiana State AGbd_ea8903fb7483d4252024-06-28 · +1dVerified
Filing propagation · 4 filings · 4 states
View merged incident ↗Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.