Macmillan and its affiliates
ent_493c517ef9a3558ea2f0937a
Disclosures
4
State AG · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
19,178
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Macmillan and its affiliates
- Normalized
- macmillan and its affiliates— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (4)newest first
- California State AGas victim2022-12-20
Macmillan and its affiliates experienced a ransomware incident between June 16 and June 25, 2022. On June 25, 2022, the company became aware of suspicious activity involving file encryption. An investigation confirmed that personal information, including names and email addresses, was accessed without authorization and exfiltrated from Macmillan U.S. systems. The company engaged third-party specialists, restored systems, notified federal law enforcement, and offered 24 months of credit monitoring to affected individuals.
- California State AGas victim2022-12-01
Macmillan and its affiliates experienced a ransomware incident between June 16 and June 25, 2022. On June 25, 2022, the company became aware of suspicious activity involving file encryption. An investigation confirmed that personal information, including names and other data, was accessed without authorization and exfiltrated from Macmillan U.S. systems. The company engaged third-party specialists, restored systems, notified federal law enforcement, and offered 24 months of credit monitoring to affected individuals.
- Indiana State AGas victim2022-12-01
Macmillan and its affiliates reported a data breach to the Indiana Attorney General. The breach occurred on 2022-06-16 and was reported on 2022-12-01. 25 Indiana residents were affected. 19,178 individuals affected in total.
- Massachusetts State AGas victim2022-12-01
Macmillan and its affiliates reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2022-12-01. 990 Massachusetts residents were affected. The report records the breach type as electronic.