HackingFinancial ServicesFinanceData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountFinancial credentialsPHIMediumContained

MFA FINANCIAL, INC.

bd_3d0f6290fb557c9c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 10, 2021

Filed

Sep 1, 2021

To disclose

25 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

64%

Full breach record for MFA FINANCIAL, INC. →2 incidents on file

MFA Financial, Inc. suffered a cybersecurity incident in its legacy environment. Between February 12, 2021, and March 10, 2021, an unauthorized party accessed and removed data from a file server. The incident affected personal information of employees, contractors, and mortgage loan owners. Data exposed included names, addresses, Social Security numbers, financial account details, and health insurance IDs. MFA engaged forensic investigators, notified law enforcement, and offered two years of credit monitoring.

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California clockDiscovered Mar 10, 2021 → Notified Sep 1, 2021175d ✗ CA 60-day late25 weeks discovery → filing

Incident timeline

undetected · 26 days

discovery → filing · 25 weeks / 175 days

Feb 12, 2021

Begins

Mar 10, 2021

Discovered

Sep 1, 2021

Filed

vs. sector median

+16 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_37dc58d5b56ea2c52021-09-01Candidate
Montana State AGbd_700c956799a87ece2021-09-01Candidate
Indiana State AGbd_b8c682cfed093f5d2021-09-01Verified

Name: MFA FINANCIAL, INC.
norm: mfa financial

Name: MFA FINANCIAL, INC.
norm: mfa financial
Industry: Financial Servicesllm

Discovered: Mar 10, 2021
Breach occurred: Feb 12, 2021 – Mar 10, 2021
Undetected for: 26 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 1, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountFinancial credentialsPHI
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified federal law enforcement authorities

During the incident: Took immediate steps to contain the threat
Engaged a third-party forensics firm to investigate the incident and assist with remediation efforts
Notified federal law enforcement authorities of the incident
Launched a forensic investigation
Contacted law enforcement
Offered credit monitoring, identity theft protection, and Dark Web monitoring services for a period of two years, at no cost to you, through IDX
Changes made: Enhanced our security and monitoring
Taken other measures to minimize the risk of a similar incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(175 days from discovery to filing)
Compliance flags: CA 60-day late · 175d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Mar 10, 2021
→ Notified: Sep 1, 2021
175d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Mar 10, 2021 → Notified: Sep 1, 2021	175d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGSep 1 · first

Montana State AGSep 1 · first

Indiana State AGSep 1 · first

California State AGSep 1 · first · this page

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://oag.ca.gov/ecrime/databreach/reports/sb24-544766
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2021
Raw hash: bb76ca01b6b6e59fa260bfc3d5dc4eb9f67ce05b6438a95cbf7bde546e8eaaaf

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMFA FINANCIAL, INC.

Victim entityMFA FINANCIAL, INC.

Incidentdiscovered Mar 10, 2021

Stated responseTook immediate steps to contain the threat

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov