HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Flagstar Bank, National Association

bd_4545877732810965 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Oct 6, 2023

To disclose

—

Affected

Not disclosed

Linked

16 filings

Confidence

66%

Full breach record for Flagstar Bank, National Association →6 incidents on file

Flagstar Bank notified South Carolina and Rhode Island residents of a third-party data breach involving vendor Fiserv. Unauthorized actors exploited a vulnerability in MOVEit Transfer software between May 27-31, 2023, to access customer personal information including names and government IDs. Fiserv remediated vulnerabilities and Flagstar provided two years of identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

May 27, 2023

Begins

Oct 6, 2023

Filed

This filing is one of 16 filings 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

Indiana State AGbd_25963c4420d351012023-10-06Verified
Oregon State AGbd_bebe196ceda9728b2023-10-06Verified
Massachusetts State AGbd_25176ff42413efea2023-10-05 · +1dVerified
Maine State AGbd_2d517ec1c38f95f82023-10-05 · +1dCandidate

Show 6 more filings ↓up to 82d gap

Maine State AGbd_267688291d7bda9f2023-11-05 · +30dVerified
Massachusetts State AGbd_a8b93efc400ce2172023-11-05 · +30dVerified
New Hampshire State AGbd_ba1cee24773c76652023-11-06 · +31dVerified
California State AGbd_93d56742578abcb32023-12-15 · +70dVerified
Maine State AGbd_5af88cb2aa8755e12023-12-27 · +82dVerified
Maine State AGbd_f45e64db77a72ae52023-12-27 · +82dVerified

Showing first 10 of 15 linked disclosures.

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

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

Discovered: —
Breach occurred: May 27, 2023 – May 31, 2023
Materiality determined: —
Notification sent: Jun 20, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified regulatory bodies as required
Initial access: supply_chain

During the incident: Vendor launched a comprehensive investigation
Identified individuals affected
Notified regulatory bodies
Remediated all technical vulnerabilities and patched systems
Mobilized a technical response team to examine relevant MOVEit systems
Arranged for complimentary free identity monitoring service through Kroll for two years
Changes made: Remediated all technical vulnerabilities and patched systems in accordance with the MOVEit software provider’s guidelines
Mobilized a technical response team to examine the relevant MOVEit systems and ensure that there were no further vulnerabilities
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

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

Indiana State AG+1d

Oregon State AG+1d

South Carolina State AG+1d · this page

Maine State AG+31d

Massachusetts State AG+31d

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 15 — 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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/FlagstarBank.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 6, 2023
Raw hash: 43df751b7d22919f24f67098cb051cb63d16d9de781fd09917d5cd5adca9807b

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityFlagstar Bank, National Association

Victim entityFlagstar Bank, National Association

IncidentThird-Party / Supply Chain

Stated responseVendor launched a comprehensive investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov