HackingFinancial ServicesFinanceStolen CredentialsTargetedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

LIBERTY MUTUAL GROUP INC.

bd_3ed53edc0121d24e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 21, 2021

Filed

Apr 1, 2021

To disclose

10 weeks

Affected

81state residents only

Linked

6 filings

Confidence

66%

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

Liberty Mutual Group, Inc. notified the NH AG of a data breach involving unauthorized access to auto-quoting websites (GetCertainly.com and LibertyMutual.com) between Nov 21, 2020 and Jan 22, 2021. Attackers used stolen names/DOB to access unmasked driver's license numbers via a pre-fill service. Discovered Jan 21, 2021. Approx 81 NH residents affected. Remediation included removing unmasked DL display and offering 1-year credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 61 days

discovery → filing · 10 weeks / 70 days

Nov 21, 2020

Begins

Jan 21, 2021

Discovered

Apr 1, 2021

Filed

vs. sector median

+2 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
California State AGbd_2d94f08bebeefcf72021-03-30 · +2dVerified
Massachusetts State AGbd_6d61d1598b68ccf82021-03-29 · +3dVerified
Indiana State AGbd_00c3f4f76df91dd82021-04-06 · +5dVerified

Show 1 more filing ↓up to 27d gap

New Hampshire State AGbd_3d631ac75c1ebbe22021-04-28 · +27dVerified

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 – Jan 22, 2021
Undetected for: 61 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 81state-resident count only
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: Notified Office of the New Hampshire Attorney General
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
Arranged to provide free credit monitoring services for one year
Changes made: Full driver’s license numbers are no longer provided as part of the website quoting process
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(70 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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

Oregon State AG+2d

New Hampshire State AG+3d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/liberty-mutual-group-20210401.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 1, 2021
Raw hash: 60d5d6e50a31403bb24733fb2ba738d6385daa48fb43231ab2ca81cb83605075

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov