norm: post holdingsUSLEI JM1I5YUAURL6DC8N1468 · no CIKMax severity: Medium

Canonical registry

POST HOLDINGS, INC.

ent_01a120f1469d391933dbd4c0a9c9a400

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Disclosures

1

State AG · 1 jurisdiction

Multi-filing incidents

—

no multi-filing incident in sample

Max affected reported

1

as filed · State AG ID

Leak-site claims

0

none in sample

Identity resolution

Canonical name: POST HOLDINGS, INC.
Normalized: post holdings— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: JM1I5YUAURL6DC8N1468
SEC EDGAR CIK: None — not an SEC registrant
Domain: None on record

Disclosure history (1)newest first

Idaho State AGas victim2026-10-08
Post Holdings notified the Idaho Attorney General of a data security incident where unauthorized access to its network was detected on August 20, 2026. The investigation determined that personal information, including first name, last name, and driver's license number, may have been compromised for one Idaho resident. Post Holdings retained cybersecurity experts, secured its network, changed passwords, strengthened password requirements, and implemented stricter multi-factor authentication. The affected individual was offered 12 months of credit monitoring and identity theft protection.