MSA Accounting, CPA Professional Corp.

The California Office of the Attorney General reported a data breach incident involving MSA Accounting, CPA Professional Corp. on May 2, 2017. The incident involved suspicious activity suggesting unauthorized filing attempts related to tax returns, affecting potentially sensitive information such as names, Social Security numbers, and financial data, although no direct breach was confirmed. The investigation found no evidence of malicious activity.

Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-67943

TPRM report: https://www.rankiteo.com/company/ms-accounting-solutions

"id": "ms-942080425",
"linkid": "ms-accounting-solutions",
"type": "Breach",
"date": "5/2017",
"severity": "25",
"impact": "1",
"explanation": "Attack without any consequences"

{'affected_entities': [{'industry': 'Financial Services',
                        'location': 'California',
                        'name': 'MSA Accounting, CPA Professional Corp.',
                        'type': 'Accounting Firm'}],
 'attack_vector': 'Unauthorized Filing Attempts',
 'data_breach': {'personally_identifiable_information': True,
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['Names',
                                              'Social Security numbers',
                                              'Financial data']},
 'date_detected': '2017-05-02',
 'date_publicly_disclosed': '2017-05-02',
 'description': 'The California Office of the Attorney General reported a data '
                'breach incident involving MSA Accounting, CPA Professional '
                'Corp. on May 2, 2017. The incident involved suspicious '
                'activity suggesting unauthorized filing attempts related to '
                'tax returns, affecting potentially sensitive information such '
                'as names, Social Security numbers, and financial data, '
                'although no direct breach was confirmed. The investigation '
                'found no evidence of malicious activity.',
 'impact': {'data_compromised': ['Names',
                                 'Social Security numbers',
                                 'Financial data']},
 'investigation_status': 'No evidence of malicious activity found',
 'references': [{'date_accessed': '2017-05-02',
                 'source': 'California Office of the Attorney General'}],
 'title': 'Data Breach Incident at MSA Accounting, CPA Professional Corp.',
 'type': 'Data Breach'}