DisclosureLens
HackingTelecom & MediaInformationCapture Stored DataData ExfiltratedEmployee Data InvolvedDelayed DiscoveryPIIIdentity (basic)EmploymentLowResolved

Terrier Media Buyer, Inc.

bd_03ea52157fe9b061 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Nov 2, 2021

To disclose

—

Affected

Not disclosed

Linked

9 filings

Confidence

74%
Full breach record for Terrier Media Buyer, Inc. →

On or about June 3, 2021, an unauthorized third party remotely accessed Cox Media Group's (Terrier Media Buyer, Inc.) computer network. The attacker accessed a server containing HR-related personal information, created a copy of the data, and attempted to exfiltrate it. CMG notified the FBI, engaged outside cybersecurity experts, and implemented enhanced security controls. Notification letters were sent November 2, 2021. No confirmed misuse of data was identified.

Incident timeline

Jun 3, 2021

Begins

Nov 2, 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

Show 4 more filings ↓up to 25d gap

Filing propagation · 9 filings · 7 states

View merged incident ↗
Indiana State AGOct 8 · first
California State AGOct 8 · first
Montana State AGOct 8 · first
California State AG+25d · this page

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.