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Confirmed16 records · 14 statesUnverified claimConfirmedEnforcedshinyhuntershigh sensitivity

Merged incident · 16 records

AMERIPRISE FINANCIAL, INC. — March 2026 breach

Clustered 16 records across 14 jurisdictions: 15 filings and 1 leak-site claim · filing window Apr 17, 2026 → Jul 29, 2026 (dated filings only). View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

16 records

States

Affected · reported

47,876

First → last dated filing

Apr 17, 2026 → Jul 29, 2026

Merge confidence

100%

incident inc_ff1e36c3a38446c0 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 15 regulatory filings and 1 unverified claim. The filings describe unauthorized access. Intrusion Mar 2, 2026–Mar 18, 2026, discovered Mar 18, 2026. 47,876 individuals reported across the linked filings. Data reported: Government ID, Financial account, Identity (basic), and 2 more. Notifications rolled out on a 103-day schedule across 13 dated filings beginning Apr 17, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

103days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksLeak gap⏱ Leak >30dMassachusetts✓ MA AG ≤30dMaine✓ ME AG ≤30d · 30dRhode Island✓ RI AG ≤45dWashington✓ WA AG ≤30dOregon✓ OR AG ≤45dSouth Carolina✓ SC CRA notice dueFull clock table in Litigation Timeline

Sensitive data

identity_government

Incident timeline

Mar 2, 2026breach begins

Mar 18, 2026discovered

Apr 17, 2026first dated filing

Jul 29, 2026most recent dated filing

Dashed segments are unestablished, not zero — they fill in as filings merge into this incident. Filings without a recorded filing day, or recorded as filed before the breach they report began, are not placed on this rail.

Member cascade — every filing and leak-site claim in this incident

MAR 22Leak siteshinyhunters postfirst record · attacker claim · unverifiedoperator-confirmedday 0
APR 1IL AGIL AG noticefiling day not on record · no count stated—
APR 17MA AGMA AG notice2,216 MA residentsauto-linked+25d
APR 17NH AGNH AG notice433 NH residentsauto-linked+25d
APR 17ME AGME AG noticestates nationwide total 47,876auto-linked+25d
APR 17IA AGIA AG notice583 IA residentsauto-linked+25d
APR 17IN AGIN AG noticestates nationwide total 47,876auto-linked+25d
APR 17RI AGRI AG notice256 RI residentsauto-linked+25d
APR 17NE AGNE AG noticefiling day not on record · no count statedauto-linked—
APR 17WA AGWA AG notice1,368 WA residentsauto-linked+25d
APR 17VT AGVT AG notice83 VT residentsauto-linked+25d
APR 17CA AGCA AG noticeno count statedauto-linked+25d
APR 17OR AGOR AG noticestates nationwide total 47,876auto-linked+25d
APR 20SC AGSC AG notice2,684 SC residentsauto-linked+28d
APR 22TX AGTX AG noticestates nationwide total 47,876auto-linked+30d
JUL 29NH AGNH AG noticemost recent · states nationwide total 552auto-linked+128d
Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window: Mar 2, 2026
Discovered: Mar 18, 2026· 16d undetected
Data types: Financial account · Identity (basic) · Government ID · PCI · PII
Attack vector: Unauthorized Access

Each fact cites the member filing that establishes it; when filings conflict, every value shows with its source.

Count reconciliation

per-state reported counts

Nationwide (stated in a filing)

47,876

Sum of filed state slices

10,940· 22.9% of stated

77% of the stated total lives in states whose filings carry no count — the dashed share shrinks as filings land.

US47,876

SC2,684

TX2,390

MA2,216

WA1,368

IN592

IA583

NH433

ME335

RI256

VT83

State AGs report only their own residents; teal bars show each state's reported slice. The gray US row is the nationwide total reported in a linked filing.

Evidence ladder — rungs this incident occupies

Leak-site claim1 member

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

Press / market report

No press coverage linked yet.

State AG / regulator filing15 members

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

SEC 8-K / victim statement

No SEC filing or victim statement yet.

Merge provenance

Method: deterministic
Confidence: 1.00 · above the 0.85 auto-merge floor
Reviewed: operator-reviewed Aug 9, 2026 · at least one link edge was human-adjudicated
Audit: Every link edge records its method, confidence and model + prompt versions (100% is the strongest edge).

Merges are reversible — a wrong link can be detached with its audit trail intact. How merging works.

Filing velocity

Spread

103 days

Cadence

~1 / 8.6d

vs. multi-state median

17.2× slower

About this clustering

DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. This page states only what the linked filings agree on; each filing's own account stays on its own record, linked from the timeline below.

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.

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