HackingTechnologyInformationStolen CredentialsData ExfiltratedTargetedGovernment IDMediumContained

Home Box Office, Inc.

bd_e61528eafdd5c8c8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 23, 2017

Filed

Oct 30, 2017

To disclose

14 weeks

Affected

10state residents only

Linked

3 filings

Confidence

66%

Full breach record for Home Box Office, Inc. →

Home Box Office, Inc. notified the New Hampshire Attorney General of a cyber incident affecting fewer than 10 NH residents. Unauthorized access occurred between May 15 and July 26, 2017, involving Social Security Numbers. HBO retained Mandiant for forensics, notified the FBI, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 69 days

discovery → filing · 14 weeks / 99 days

May 15, 2017

Begins

Jul 23, 2017

Discovered

Oct 30, 2017

Filed

vs. sector median

4 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

California State AGbd_3146fe89df84f7972017-10-30Candidate
Massachusetts State AGbd_fb8d25a442e5aa052017-10-30Verified

Name: Home Box Office, Inc.
norm: home box office

Name: Home Box Office, Inc.
norm: home box office
Industry: Technologyllm

Discovered: Jul 23, 2017
Breach occurred: May 15, 2017 – Jul 26, 2017
Undetected for: 69 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 31, 2017
Affected individuals: 10state-resident count only
Data types: Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of Investigation
Initial access: valid_credentials

During the incident: Retained Mandiant, a forensic data specialist, to assist with the situation and to perform a forensic analysis
Notified the Federal Bureau of Investigation
Offering all impacted individuals the AllClear Credit Monitoring Service for 12 months at no cost to the individual
Making changes to decrease the chance of a similar occurrence in the future, including implementing additional security measures, internal controls, and safeguards
Changes made: Implementing additional security measures, internal controls, and safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(99 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

California State AGOct 30 · first

Massachusetts State AGOct 30 · first

New Hampshire State AGOct 30 · first · this page

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/home-box-office-20171030.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 30, 2017
Raw hash: 80690d0b0b894ae64a0400d2240d5b92667b1ebc5dc3742bc08de133fe45e7b4

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHome Box Office, Inc.

Victim entityHome Box Office, Inc.

Incidentdiscovered Jul 23, 2017

Stated responseRetained Mandiant, a forensic data specialist, to assist with the situation and to perform a forensic analysis

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov