HackingTelecom & MediaInformationCapture Stored DataData ExfiltratedEmployee Data InvolvedTargetedDelayed DiscoveryPIIEmploymentIdentity (basic)LowResolved

Terrier Media Buyer, Inc.

bd_7a462900aa4679d7 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Oct 8, 2021

To disclose

—

Affected

Not disclosed

Linked

9 filings

Confidence

73%

Full breach record for Terrier Media Buyer, Inc. →

On or about June 3, 2021, an unauthorized third party gained remote access to Cox Media Group's (Terrier Media Buyer, Inc.) computer network, accessed a server containing HR-related personal information, and attempted to exfiltrate a copy of the data. CMG engaged outside cybersecurity experts, notified the FBI, and found no confirmed evidence of data acquisition. Affected individuals were offered two-year Experian IdentityWorks Credit 3B memberships.

J jump to incidentP pin to compareR raw source

Incident timeline

Jun 3, 2021

Begins

Oct 8, 2021

Filed

This filing is one of 9 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Indiana State AGbd_0163e634ffa6f5e22021-10-08Verified
Massachusetts State AGbd_d8f4aa8696c223642021-10-08Verified
Montana State AGbd_dc3b2599ce6b8bf72021-10-08Verified
New Hampshire State AGbd_f42409412491ca282021-10-18 · +10dVerified

Show 4 more filings ↓up to 28d gap

Washington State AGbd_29839e00494e2ecb2021-10-28 · +20dCandidate
California State AGbd_03ea52157fe9b0612021-11-02 · +25dVerified
Maine State AGbd_9cae2e363ad0316d2021-11-02 · +25dVerified
New Hampshire State AGbd_ecba583908a8f00c2021-11-05 · +28dCandidate

Name: Terrier Media Buyer, Inc.
norm: terrier media buyer

Name: Terrier Media Buyer, Inc.
norm: terrier media buyer
Also named: Terrier Media Buyer, Inc.dba oflegal entity
Cox Media Groupdba oftrade name
Industry: Telecom & Mediallm

Discovered: —
Breach occurred: Jun 3, 2021
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIEmploymentIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1074 Data StagedT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified the FBI of the incidentCooperating with law enforcement to investigate this incidentFiled notification with California Attorney General

During the incident: Quickly took steps to secure our systems
Began a thorough investigation with the support of leading outside cybersecurity experts
Promptly notified the FBI of the incident
Completed investigation into the incident
Changes made: Implemented enhanced security controls
Offering a complimentary two-year membership of IdentityWorksSM Credit 3B which includes credit monitoring and identity theft protection services through Experian
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 · 9 filings · 7 states

View merged incident ↗

Indiana State AGOct 8 · first

Massachusetts State AGOct 8 · first

Montana State AGOct 8 · first

California State AGOct 8 · first · this page

New Hampshire State AG+10d

Washington State AG+20d

California State AG+25d

Maine State AG+25d

New Hampshire State AG+28d

Pattern: first filing Oct 8 (IN), last Nov 5 (NH) — a 28-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/sb24-546236
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 8, 2021
Raw hash: fd35a0275e72956e66f701c45a8548b203a97b71c6aa4ac116aaaf53daae82f9

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityTerrier Media Buyer, Inc.

Victim entityTerrier Media Buyer, Inc.

IncidentUnauthorized Access

Stated responseQuickly took steps to secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov