STATE STREET CORPORATION — May 2023 breach

Clustered 4 filings across 3 jurisdictions · filing window Jan 31, 2024 → Feb 7, 2024. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

4 filings

States

Affected · reported

1,136

First → last filing

Jan 31, 2024 → Feb 7, 2024

Merge confidence

100%

incident inc_4629fe7fa6a040fc · merged by deterministic · confidence 100%

Part of the FISERV, INC. supply-chain incident (2023) — at least 10 organizations filed notifications naming this third party.

Confirmed breach. Merged as one breach: 4 regulatory filings. The filing describes a third-party compromise. Intrusion May 27, 2023–May 31, 2023, discovered Dec 20, 2023 — the first regulatory filing landed 42 days later. 1,136 individuals reported across the linked filings. Data reported: Government ID, Financial account, Identity (basic), and 1 more. Notifications rolled out on a 7-day schedule across 4 filings beginning Jan 31, 2024. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

42days

Discovered → first regulatory filing

Filing span

7days

Time between earliest and latest filing

Not recorded for this incident

Discovery variance · Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.

Regulatory clocksMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

The weekly clock on records like this one

The Disclosure Clock is a weekly briefing on what landed in the disclosure record, and the gap between the criminals' post and the regulator's filing — measured on the whole record, with the method shown.

Weekly. Double opt-in, one-click unsubscribe, and the address goes nowhere else.