The California Office of the Attorney General disclosed a data breach affecting Grass Valley USA, LLC, a subsidiary of Belden, Inc., which was announced on November 24, 2020. The incident involved unauthorized access to sensitive personal information, including names, birthdates, and government-issued identification numbers of an undisclosed number of individuals. The breach was detected following unusual network activity observed starting November 12, 2020. Grass Valley is collaborating with law enforcement and cybersecurity experts to investigate the scope of the breach and mitigate further risks. While the exact method of intrusion remains unspecified, the exposure of personally identifiable information (PII) particularly government IDs poses significant risks, including identity theft, financial fraud, or targeted phishing attacks. The company has not confirmed whether the compromised data was exfiltrated or misused, but the nature of the stolen information suggests a high potential for abuse. The breach underscores vulnerabilities in enterprise data protection, especially for subsidiaries handling sensitive customer or employee records. No ransomware involvement was reported, but the unauthorized access to critical identification details elevates the severity of the incident.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-197167
TPRM report: https://www.rankiteo.com/company/grassvalley
"id": "gra807082025",
"linkid": "grassvalley",
"type": "Breach",
"date": "11/2020",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'customers_affected': 'unknown',
'industry': 'Technology (Broadcast and Media)',
'location': 'California, USA',
'name': 'Grass Valley USA, LLC',
'type': 'Subsidiary'},
{'industry': 'Technology (Networking, Connectivity, and '
'Cable Solutions)',
'location': 'USA',
'name': 'Belden, Inc.',
'type': 'Parent Company'}],
'data_breach': {'number_of_records_exposed': 'unknown',
'personally_identifiable_information': ['names',
'birthdates',
'government-issued '
'identification '
'numbers'],
'sensitivity_of_data': 'high',
'type_of_data_compromised': ['personal information']},
'date_detected': '2020-11-12',
'date_publicly_disclosed': '2020-11-24',
'description': 'The California Office of the Attorney General reported a data '
'breach announced by Belden, Inc. on November 24, 2020. The '
'breach, affecting Grass Valley USA, LLC, involved '
'unauthorized access to personal information, including names, '
'birthdates, and government-issued identification numbers; the '
'number of individuals affected is unknown. Grass Valley '
'detected unusual activity starting November 12, 2020, and is '
'working with law enforcement and cybersecurity experts in '
'response to the incident.',
'impact': {'data_compromised': ['names',
'birthdates',
'government-issued identification numbers'],
'identity_theft_risk': 'high'},
'investigation_status': 'ongoing (as of disclosure date)',
'references': [{'source': 'California Office of the Attorney General'}],
'regulatory_compliance': {'regulatory_notifications': ['California Office of '
'the Attorney '
'General']},
'response': {'incident_response_plan_activated': True,
'law_enforcement_notified': True,
'third_party_assistance': ['cybersecurity experts']},
'title': 'Data Breach at Grass Valley USA, LLC (Belden, Inc.)',
'type': 'Data Breach'}