HackingProfessional ServicesProfessional ServicesTargetedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Dun & Bradstreet Holdings, Inc.

bd_7f463293b7ba1722 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Oct 25, 2013

To disclose

—

Affected

277state residents only

Linked

2 filings

Confidence

66%

Full breach record for Dun & Bradstreet Holdings, Inc. →

Dun & Bradstreet notified the New Hampshire Attorney General of a criminal cyberattack occurring in March-April 2013. The incident potentially exposed the names and SSNs (as business IDs) of 277 NH residents. D&B is working with law enforcement, has notified credit bureaus, and is offering 12 months of credit monitoring via AllClear ID. The incident is considered contained.

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Incident timeline

Mar 1, 2013

Begins

Oct 25, 2013

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_3467e3167f0258132013-10-28 · +3dVerified

Name: Dun & Bradstreet Holdings, Inc.
norm: dun bradstreet

Name: Dun & Bradstreet Holdings, Inc.
norm: dun bradstreet
Industry: Professional Servicesllm

Discovered: —
Breach occurred: Mar 1, 2013 – Apr 15, 2013
Materiality determined: —
Notification sent: Oct 28, 2013
Affected individuals: 277state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Office of the Attorney General

During the incident: Working with law enforcement
Arranged for AllClear ID to provide credit monitoring and fraud protection services to New Hampshire residents for 12 months at no cost
Advised the three major U.S. consumer credit reporting agencies, Equifax, Experian and TransUnion about this incident
Changes made: Continually enhancing security procedures and safeguards
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 · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGOct 25 · first · this page

California State AG+3d

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/dun-bradstreet-20131025.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 25, 2013
Raw hash: c84d5145890de9ec1d930fdd7aab8e10f0b2e66da5aec918a337e270bb29081a

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityDun & Bradstreet Holdings, Inc.

Victim entityDun & Bradstreet Holdings, Inc.

IncidentUnauthorized Access

Stated responseWorking with law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov