Ceres Unified School District

The California Office of the Attorney General disclosed a data breach affecting Ceres Unified School District between December 28, 2021, and January 8, 2022. Unauthorized actors gained access to sensitive student data, including names, enrollment records, and demographic information. However, the breach did not expose Social Security numbers, financial details, or highly sensitive personal identifiers. The exact number of impacted individuals remains undisclosed, but the incident highlights vulnerabilities in the district’s data security measures. While the compromised data was limited to non-financial and non-identity-theft-prone records, the exposure of student information raises concerns over privacy violations, potential misuse for targeted phishing, or reputational harm to the institution. The district has not confirmed whether the breach resulted from a cyber attack, system vulnerability, or internal misconfiguration, but the lack of ransomware or financial motives suggests a data-centric intrusion rather than a disruptive assault.

Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-553814

TPRM report: https://www.rankiteo.com/company/ceres-unified-school-district

"id": "cer729082025",
"linkid": "ceres-unified-school-district",
"type": "Breach",
"date": "12/2021",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'customers_affected': 'Unknown (students)',
                        'industry': 'Education (K-12)',
                        'location': 'Ceres, California, USA',
                        'name': 'Ceres Unified School District',
                        'type': 'Educational Institution'}],
 'data_breach': {'data_exfiltration': 'Likely (unauthorized access confirmed)',
                 'number_of_records_exposed': 'Unknown',
                 'personally_identifiable_information': ['names',
                                                         'demographic data'],
                 'sensitivity_of_data': 'Moderate (no SSNs or financial data)',
                 'type_of_data_compromised': ['student names',
                                              'enrollment information',
                                              'demographic information']},
 'date_publicly_disclosed': '2022-05-26',
 'description': 'The California Office of the Attorney General reported a data '
                'breach involving Ceres Unified School District. The breach '
                'occurred between December 28, 2021, and January 8, 2022, '
                'involving unauthorized access to student names, enrollment, '
                'and demographic information, but not social security numbers '
                'or financial information. The number of affected individuals '
                'is currently unknown.',
 'impact': {'data_compromised': ['student names',
                                 'enrollment information',
                                 'demographic information'],
            'identity_theft_risk': 'Low (no SSNs or financial data exposed)',
            'payment_information_risk': 'None'},
 'references': [{'date_accessed': '2022-05-26',
                 'source': 'California Office of the Attorney General'}],
 'regulatory_compliance': {'regulatory_notifications': ['California Office of '
                                                        'the Attorney '
                                                        'General']},
 'title': 'Ceres Unified School District Data Breach',
 'type': 'Data Breach'}