Uvalde Consolidated Independent School District (Uvalde CISD)

Uvalde Consolidated Independent School District (Uvalde CISD)

Uvalde CISD suffered a ransomware attack in September 2025, attributed to the Qilin ransomware group, which disrupted critical operations including phones, air conditioning, security cameras, visitor management, and the Skyward system. Schools were forced to close from September 15 to 18. While the district initially stated there was no evidence of unauthorized access to sensitive or personal data, Qilin contradicted this claim, asserting it had stolen personal data of employees, financial records, and student information, even posting alleged stolen documents as proof. The attack caused operational paralysis, affecting attendance, communications, and administrative functions. The district denied staff error as the cause and is conducting an ongoing investigation. Qilin, a ransomware-as-a-service (RaaS) group, has a history of targeting educational institutions, with Uvalde CISD being one of several recent victims in the US and Australia. The breach poses risks of fraud, identity theft, and prolonged recovery challenges, compounded by the education sector’s notoriously slow breach notification timeline (average 4.8 months). The financial and reputational damage remains undetermined, but the attack underscores the growing threat of ransomware in public education.

Source: https://www.comparitech.com/news/ransomware-gang-qilin-says-it-hacked-uvalde-texas-school-district-stole-data/

TPRM report: https://www.rankiteo.com/company/uvaldecisd

"id": "uva2992429101025",
"linkid": "uvaldecisd",
"type": "Ransomware",
"date": "9/2025",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization's existence"
{'affected_entities': [{'customers_affected': 4150,
                        'industry': 'Education (K-12)',
                        'location': {'counties': ['Uvalde County',
                                                  'Zavala County',
                                                  'Real County'],
                                     'country': 'United States',
                                     'state': 'Texas'},
                        'name': 'Uvalde Consolidated Independent School '
                                'District (Uvalde CISD)',
                        'size': {'employees': 300,
                                 'schools': 8,
                                 'students': 4150},
                        'type': 'Public School District'}],
 'data_breach': {'data_encryption': 'Yes (ransomware encryption)',
                 'data_exfiltration': 'Claimed by Qilin (unverified by '
                                      'district)',
                 'file_types_exposed': ['documents (alleged images posted by '
                                        'Qilin)'],
                 'personally_identifiable_information': 'Yes (alleged)',
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['personal data (employees)',
                                              'financial information',
                                              'personal data (students)']},
 'date_detected': '2025-09-15',
 'date_publicly_disclosed': '2025-09-15',
 'description': 'The Uvalde Consolidated Independent School District (Uvalde '
                'CISD) suffered a ransomware attack in September 2025, '
                'attributed to the Qilin ransomware group. The attack '
                'disrupted critical systems, including phones, air '
                'conditioning, security cameras, visitor management, and '
                'Skyward, forcing school closures from September 15 to 18. '
                'While the district initially stated there was no evidence of '
                'unauthorized access to sensitive or personal data, Qilin '
                'claimed to have stolen personal data of employees, financial '
                'information, and student data, posting alleged stolen '
                'documents as proof. The district has not verified Qilin’s '
                'claims, and the investigation is ongoing. Qilin operates as a '
                'ransomware-as-a-service (RaaS) group, known for dual '
                'extortion tactics (data theft and system encryption).',
 'impact': {'brand_reputation_impact': 'Potential reputational damage due to '
                                       'data breach claims and operational '
                                       'disruption',
            'data_compromised': ['personal data of employees',
                                 'financial information',
                                 'personal data of students'],
            'downtime': '2025-09-15 to 2025-09-18 (4 days)',
            'identity_theft_risk': "High (if Qilin's claims are verified)",
            'operational_impact': ['school closures',
                                   'disrupted attendance',
                                   'communication failures',
                                   'security system outages'],
            'payment_information_risk': 'Potential (financial information '
                                        'allegedly stolen)',
            'systems_affected': ['phones',
                                 'air conditioning',
                                 'security cameras',
                                 'visitor management',
                                 'Skyward']},
 'initial_access_broker': {'data_sold_on_dark_web': 'Claimed by Qilin '
                                                    '(unverified)',
                           'high_value_targets': ['employee data',
                                                  'student data',
                                                  'financial records']},
 'investigation_status': 'Ongoing (expected to take a few weeks as of late '
                         'September 2025)',
 'motivation': ['financial gain', 'data theft'],
 'ransomware': {'data_encryption': 'Yes',
                'data_exfiltration': 'Claimed by Qilin',
                'ransomware_strain': 'Qilin'},
 'references': [{'source': 'Comparitech'},
                {'date_accessed': '2025-09-15',
                 'source': 'Uvalde CISD Facebook Announcement'},
                {'date_accessed': '2025-09-26',
                 'source': 'Qilin Data Leak Site'}],
 'response': {'communication_strategy': ['public announcement on Facebook',
                                         'media statements'],
              'containment_measures': ['school closures',
                                       'system isolation (implied)'],
              'incident_response_plan_activated': 'Yes (investigation '
                                                  'underway)'},
 'stakeholder_advisories': ['Public announcement on Facebook', 'Media updates'],
 'threat_actor': 'Qilin',
 'title': 'Ransomware Attack on Uvalde Consolidated Independent School '
          'District by Qilin',
 'type': ['ransomware', 'data breach']}
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