HackingTechnologyInformationSupply Chain (3P Vendor)Employee Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentMediumContained

GRASS VALLEY USA, LLC

bd_16522eb0e4ba475a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 18, 2020

Filed

Dec 15, 2020

To disclose

27 days

Affected

2state residents only

Linked

6 filings

Confidence

65%

Full breach record for GRASS VALLEY USA, LLC →

Grass Valley USA, LLC notified the NH Attorney General of a data security incident affecting two New Hampshire residents. The incident was part of a broader attack on Belden, Inc., Grass Valley's former owner and current IT service provider. Belden detected unusual activity on November 12, 2020, and determined that an external party accessed servers containing personal information by November 15, 2020. Grass Valley became aware on November 18, 2020. Affected data included names, birthdates, SSNs, bank account information, and employment records. Belden engaged forensic experts, notified law enforcement (FBI, DHS), and is offering 24 months of credit monitoring to affected individuals.

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Incident timeline

undetected · 6 days

discovery → filing · 27 days

Nov 12, 2020

Begins

Nov 18, 2020

Discovered

Dec 15, 2020

Filed

vs. sector median

15 wks faster

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_2b9f063d9acf2dd52020-12-14 · +1dVerified
Maine State AGbd_857f13e57e90983f2020-12-14 · +1dVerified
Massachusetts State AGbd_913bc20ba68395972020-12-14 · +1dVerified
Indiana State AGbd_fd12990a74b001a92020-12-14 · +1dVerified

Show 1 more filing ↓up to 21d gap

Montana State AGbd_26de5f7e93f79fc02020-11-24 · +21dCandidate

Name: GRASS VALLEY USA, LLC
norm: grass valley usa

Name: GRASS VALLEY USA, LLC
norm: grass valley usa
Industry: Technologyllm

Discovered: Nov 18, 2020
Breach occurred: Nov 12, 2020 – Nov 15, 2020
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 14, 2020
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Working with regulatory and law enforcement officials, including the F.B.I. and Department of Homeland Security
Third party: via Belden, Inc.

During the incident: Triggered its cybersecurity incident response plan
Deployed teams of internal IT specialists
Engaged leading third-party cybersecurity forensic experts and other advisors
Working with regulatory and law enforcement officials, including the F.B.I. and Department of Homeland Security
Engaged legal counsel to help notify appropriate regulatory authorities
Continuously monitoring for any suspicious activity on its systems
Deployed additional resources to reinforce the security of its systems
Offering a complimentary twenty-four month membership of Experian IdentityWorks Credit 3B
Changes made: Deployed additional resources to reinforce the security of its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 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 · 6 states

View merged incident ↗

Montana State AGNov 24 · first

Oregon State AG+20d

Maine State AG+20d

Massachusetts State AG+20d

Indiana State AG+20d

New Hampshire State AG+21d · this page

Pattern: first filing Nov 24 (MT), last Dec 15 (NH) — a 21-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/grass-valley-usa-20201215.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 15, 2020
Raw hash: c20286183509e1f2461a8d2b8257a9f791ea44d36975b25c6da57bc663722792

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityGRASS VALLEY USA, LLC

Victim entityGRASS VALLEY USA, LLC

Incidentdiscovered Nov 18, 2020

Stated responseTriggered its cybersecurity incident response plan

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov