HackingFinancial ServicesFinanceAbuse Of FunctionalityCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

LIBERTY MUTUAL GROUP INC.

bd_2d94f08bebeefcf7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 21, 2021

Filed

Mar 30, 2021

To disclose

10 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

64%

Full breach record for LIBERTY MUTUAL GROUP INC. →2 incidents on file

Liberty Mutual Group, Inc. disclosed two incidents of unauthorized access to its public websites (LibertyMutual.com and GetCertainly.com). In the first incident (Nov 2020-Jan 2021), an unauthorized third party used the online auto insurance quote application to access driver's license numbers. In the second incident (Mar 2021), third parties created fraudulent accounts to access names, dates of birth, and driver's license numbers. Liberty Mutual contained the incidents by disabling access and masking data, and offered credit monitoring to affected individuals.

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California clockDiscovered Jan 21, 2021 → Notified Apr 14, 202183d ✗ CA 60-day late10 weeks discovery → filing

Incident timeline

undetected · 61 days

discovery → filing · 10 weeks / 68 days

Nov 21, 2020

Begins

Jan 21, 2021

Discovered

Mar 30, 2021

Filed

vs. sector median

+1 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Oregon State AGbd_d1628612bddc4dbf2021-03-31 · +1dCandidate
Massachusetts State AGbd_6d61d1598b68ccf82021-03-29 · +1dVerified
New Hampshire State AGbd_3ed53edc0121d24e2021-04-01 · +2dCandidate
Indiana State AGbd_00c3f4f76df91dd82021-04-06 · +7dVerified

Show 1 more filing ↓up to 29d gap

New Hampshire State AGbd_3d631ac75c1ebbe22021-04-28 · +29dVerified

Name: LIBERTY MUTUAL GROUP INC.
norm: liberty mutual

Name: LIBERTY MUTUAL GROUP INC.
norm: liberty mutual
Industry: Financial Servicesllm

Discovered: Jan 21, 2021
Breach occurred: Nov 21, 2020 – Mar 12, 2021
Undetected for: 61 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 14, 2021
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Reported this incident to the authorities
Initial access: exploit_public_facing

During the incident: Immediately removed the ability to view driver’s license numbers during an online quote
Reported this incident to the authorities and are assisting their investigation
Masking driver’s license numbers in online accounts
Disabling access to the online customer account for the unauthorized policy
Canceling the policy
Changes made: Offering complimentary credit monitoring and identity theft protection services through Cyberscout
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 days from discovery to filing)
Compliance flags: CA 60-day late · 83d
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: Jan 21, 2021
→ Notified: Apr 14, 2021
83d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jan 21, 2021 → Notified: Apr 14, 2021	83d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Massachusetts State AGMar 29 · first

California State AG+1d · this page

Oregon State AG+2d

New Hampshire State AG+3d

Indiana State AG+8d

New Hampshire State AG+30d

Pattern: first filing Mar 29 (MA), last Apr 28 (NH) — a 30-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/sb24-539606
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 30, 2021
Raw hash: f67d548f6e203c07f35c2c33ed316a6b8dbac362963abf7b867cf08e45eb69a2

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityLIBERTY MUTUAL GROUP INC.

Victim entityLIBERTY MUTUAL GROUP INC.

Incidentdiscovered Jan 21, 2021

Stated responseImmediately removed the ability to view driver’s license numbers during an online quote

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov