City of Sheboygan, Wisconsin

The Maine Attorney General's Office reported a data breach involving the City of Sheboygan, Wisconsin, on May 23, 2025. The breach occurred on October 31, 2024, due to an external system breach (hacking), affecting a total of 67,947 individuals, including 6 Maine residents. The compromised data may include names, dates of birth, Social Security numbers, and other personal information, and identity theft protection services were offered to affected individuals.

Source: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/1f937a68-1811-49e4-afe6-f0d34edbb837.html

TPRM report: https://www.rankiteo.com/company/city-of-sheboygan

"id": "cit632072725",
"linkid": "city-of-sheboygan",
"type": "Breach",
"date": "10/2024",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'customers_affected': 67947,
                        'industry': 'Public Administration',
                        'location': 'Sheboygan, Wisconsin',
                        'name': 'City of Sheboygan',
                        'type': 'Government'}],
 'attack_vector': 'External System Breach (Hacking)',
 'data_breach': {'number_of_records_exposed': 67947,
                 'personally_identifiable_information': True,
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['Names',
                                              'Dates of Birth',
                                              'Social Security Numbers',
                                              'Other Personal Information']},
 'date_detected': '2024-10-31',
 'date_publicly_disclosed': '2025-05-23',
 'description': "The Maine Attorney General's Office reported a data breach "
                'involving the City of Sheboygan, Wisconsin, on May 23, 2025. '
                'The breach occurred on October 31, 2024, due to an external '
                'system breach (hacking), affecting a total of 67,947 '
                'individuals, including 6 Maine residents. The compromised '
                'data may include names, dates of birth, Social Security '
                'numbers, and other personal information, and identity theft '
                'protection services were offered to affected individuals.',
 'impact': {'data_compromised': ['Names',
                                 'Dates of Birth',
                                 'Social Security Numbers',
                                 'Other Personal Information'],
            'identity_theft_risk': 'High'},
 'references': [{'date_accessed': '2025-05-23',
                 'source': "Maine Attorney General's Office"}],
 'title': 'Data Breach at City of Sheboygan',
 'type': 'Data Breach'}