DisclosureLens
UnknownPCIFinancial accountHigh

Sony Group Corporation

bd_fb3ceadc8419603c · schema v1 · pii pii-v2

Severity

High

Discovered

—

Filed

May 2, 2011

To disclose

—

Affected

470,000state residents only

Linked

2 filings

Confidence

95%
Full breach record for Sony Group Corporation →4 incidents on file

Sony reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2011-05-02. 470,000 Massachusetts residents were affected. The report records the breach type as electronic.

Incident timeline — partial

? — ?

Breach window unknown

May 2, 2011

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 2 filings 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 AGApr 26 · first
Massachusetts State AG+6d · this page

Pattern: first filing Apr 26 (NH), last May 2 (MA) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.