HackingFinancial ServicesFinanceCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Flagstar Bank, National Association

bd_267688291d7bda9f · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 8, 2023

Filed

Nov 5, 2023

To disclose

13 weeks

Affected · nationwide

11,83314 in this filing

Linked

15 filings

Confidence

66%

Full breach record for Flagstar Bank, National Association →7 incidents on file

Flagstar Bank, N.A. reported an external system breach (hacking) occurring between May 27 and May 31, 2023, discovered on August 8, 2023. The incident affected 11,833 individuals, including 14 Maine residents. The breach involved the acquisition of names and personal identifiers. Flagstar Bank notified consumers in writing on November 6, 2023, and offered identity theft protection services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 8, 2023 → Filed with AG Nov 5, 202389d ⏱ ME AG >30d13 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 73 days

discovery → filing · 13 weeks / 89 days

May 27, 2023

Begins

Aug 8, 2023

Discovered

Nov 5, 2023

Filed

vs. sector median

+4 wks slower

This filing is one of 15 about the same incident.View merged incident

Part of FISERV, INC. supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Massachusetts State AGbd_a8b93efc400ce2172023-11-05Verified
New Hampshire State AGbd_ba1cee24773c76652023-11-06 · +1dVerified
Indiana State AGbd_25963c4420d351012023-10-06 · +30dVerified
Oregon State AGbd_bebe196ceda9728b2023-10-06 · +30dVerified

Show 6 more filings ↓up to 52d gap

Massachusetts State AGbd_25176ff42413efea2023-10-05 · +31dVerified
Maine State AGbd_2d517ec1c38f95f82023-10-05 · +31dCandidate
Vermont State AGbd_48a0d2a33519786f2023-10-05 · +31dVerified
California State AGbd_93d56742578abcb32023-12-15 · +40dVerified
Maine State AGbd_5af88cb2aa8755e12023-12-27 · +52dVerified
Maine State AGbd_f45e64db77a72ae52023-12-27 · +52dVerified

Showing first 10 of 14 linked disclosures.

Name: Flagstar Bank, National Association
norm: flagstar bank national

Name: Flagstar Bank, National Association
norm: flagstar bank national
Industry: Financial Servicesllm

Discovered: Aug 8, 2023
Breach occurred: May 27, 2023 – May 31, 2023
Undetected for: 73 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 6, 2023
Affected individuals: 11,833state + nationwide
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected consumers
Offered identity theft protection services through Kroll
Changes made: Provided Credit Monitoring, Fraud Consultation, and Identity Theft Restoration through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(89 days from discovery to filing)
Compliance flags: ME AG >30d · 89dME resident >60d · 90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 8, 2023
→ Filed with AG: Nov 5, 2023
89d 30 days (soft) ME AG >30d
Maine
Discovered: Aug 8, 2023
→ Notified: Nov 6, 2023
90d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 8, 2023 → Filed with AG: Nov 5, 2023	89d	30 days (soft)	ME AG >30d
Maine	Discovered: Aug 8, 2023 → Notified: Nov 6, 2023	90d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 7 states

View merged incident ↗

Massachusetts State AGOct 5 · first

Maine State AGOct 5 · first

Vermont State AGOct 5 · first

Indiana State AG+1d

Oregon State AG+1d

Massachusetts State AG+31d

Maine State AG+31d · this page

New Hampshire State AG+32d

California State AG+71d

Maine State AG+83d

Pattern: first filing Oct 5 (MA), last Dec 27 (ME) — a 83-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 14 — the full spread may be wider.

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.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/13cf7110-8185-4f0e-a290-95dbec07507e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 5, 2023
Raw hash: 49dd021a1436199a0799f1faa2a79ddefa18d9761a2bdca740c3a7f7abf9bd63

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityFlagstar Bank, National Association

Victim entityFlagstar Bank, National Association

Incidentdiscovered Aug 8, 2023

Stated responseSent written notification to affected consumers

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov