The California Office of the Attorney General disclosed a data breach affecting Sheridan Production Company III, LLC, which occurred between August 14, 2021, and August 19, 2021. Unauthorized actors gained access to the company’s network, potentially exposing sensitive personal information of individuals. The compromised data included full names, Social Security numbers, driver’s license numbers, and financial account details highly valuable targets for identity theft, financial fraud, or further cyber exploitation. The breach was formally reported on October 25, 2021, indicating a delayed discovery or disclosure. While the exact number of affected individuals was not specified, the nature of the exposed data suggests severe risks for victims, including long-term financial harm, reputational damage to the company, and potential regulatory penalties for failing to safeguard personally identifiable information (PII). The incident underscores vulnerabilities in Sheridan Production Company III’s cybersecurity posture, particularly in detecting and mitigating unauthorized network access. Given the sensitivity of the leaked data especially Social Security and financial account information the breach could lead to downstream consequences such as phishing attacks, credit fraud, or legal liabilities for the company. The lack of immediate public mitigation steps (e.g., credit monitoring offers) further exacerbates the impact on affected parties.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-546854
TPRM report: https://www.rankiteo.com/company/sheridan_production_company
"id": "she251091725",
"linkid": "sheridan_production_company",
"type": "Breach",
"date": "8/2021",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'location': {'country': 'United States',
'state': 'California'},
'name': 'Sheridan Production Company III, LLC',
'type': 'Private Company'}],
'data_breach': {'data_exfiltration': 'Likely (unauthorized access)',
'personally_identifiable_information': ['Full names',
'Social Security '
'numbers',
'Driver’s license '
'numbers'],
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Personally Identifiable '
'Information (PII)',
'Financial Information']},
'date_publicly_disclosed': '2021-10-25',
'description': 'The California Office of the Attorney General reported a data '
'breach involving Sheridan Production Company III, LLC on '
'October 25, 2021. The unauthorized access to their network '
'may have exposed personal information, including full names, '
'Social Security numbers, driver’s license numbers, and '
'financial account information, between August 14, 2021 and '
'August 19, 2021.',
'impact': {'data_compromised': ['Full names',
'Social Security numbers',
'Driver’s license numbers',
'Financial account information'],
'identity_theft_risk': 'High (PII exposed)',
'payment_information_risk': 'High (financial account information '
'exposed)'},
'references': [{'date_accessed': '2021-10-25',
'source': 'California Office of the Attorney General'}],
'regulatory_compliance': {'regulatory_notifications': 'California Office of '
'the Attorney General'},
'response': {'law_enforcement_notified': 'Yes (California Office of the '
'Attorney General)'},
'title': 'Data Breach at Sheridan Production Company III, LLC',
'type': 'Data Breach'}