DisclosureLens
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Houghton Mifflin Harcourt Company

bd_dd15c91ffdc1b9cc · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Jul 2, 2008

To disclose

—

Affected

11state residents only

Linked

2 filings

Confidence

95%
Full breach record for Houghton Mifflin Harcourt Company →3 incidents on file

Houghton Mifflin Harcourt reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2008-07-02. 11 Massachusetts residents were affected. The report records the breach type as electronic.

Incident timeline — partial

? — ?

Breach window unknown

Jul 2, 2008

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
New Hampshire State AGJul 1 · first
Massachusetts State AG+1d · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.