Henry Rossi & Co.: Henry Rossi Data Breach Exposes Social Security Numbers

Henry Rossi & Co. Data Breach Exposes Sensitive Information of 2,720 Individuals

Henry Rossi & Co., a certified public accounting firm in Monroeville, Pennsylvania, disclosed a data breach affecting approximately 2,720 individuals across the U.S. An unauthorized actor accessed the firm’s systems on January 17 and 18, 2026, prompting an immediate investigation after suspicious activity was detected.

The breach involved audit records tied to the Steamfitters Local #449 Medical & Benefit Fund, with exposed data including full names, Social Security numbers, and dates of birth. A forensic review concluded on April 3, 2026, confirming the compromised information.

Henry Rossi & Co. filed a disclosure with the U.S. Department of Health and Human Services on June 2, 2026, and began notifying affected individuals on June 10, 2026. The firm established a dedicated helpline (933-918-5956) for inquiries but did not offer free credit monitoring or identity protection services to impacted parties.

Source: https://www.claimdepot.com/data-breach/henry-rossi-company-2026

Henry Rossi & Co cybersecurity rating report: https://www.rankiteo.com/company/henry-rossi-&-co

"id": "HEN1783355833",
"linkid": "henry-rossi-&-co",
"type": "Breach",
"date": "1/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'customers_affected': '2720',
                        'industry': 'Accounting',
                        'location': 'Monroeville, Pennsylvania, USA',
                        'name': 'Henry Rossi & Co.',
                        'type': 'Certified Public Accounting Firm'},
                       {'customers_affected': '2720',
                        'industry': 'Healthcare/Insurance',
                        'name': 'Steamfitters Local #449 Medical & Benefit '
                                'Fund',
                        'type': 'Benefit Fund'}],
 'customer_advisories': 'Dedicated helpline (933-918-5956) established for '
                        'inquiries; no free credit monitoring or identity '
                        'protection services offered',
 'data_breach': {'number_of_records_exposed': '2720',
                 'personally_identifiable_information': 'Yes',
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['Full names',
                                              'Social Security numbers',
                                              'Dates of birth']},
 'date_detected': '2026-01-17',
 'date_publicly_disclosed': '2026-06-10',
 'date_resolved': '2026-04-03',
 'description': 'Henry Rossi & Co., a certified public accounting firm in '
                'Monroeville, Pennsylvania, disclosed a data breach affecting '
                'approximately 2,720 individuals across the U.S. An '
                'unauthorized actor accessed the firm’s systems on January 17 '
                'and 18, 2026, prompting an immediate investigation after '
                'suspicious activity was detected. The breach involved audit '
                'records tied to the Steamfitters Local #449 Medical & Benefit '
                'Fund, with exposed data including full names, Social Security '
                'numbers, and dates of birth. A forensic review concluded on '
                'April 3, 2026, confirming the compromised information.',
 'impact': {'data_compromised': 'Sensitive personal information including full '
                                'names, Social Security numbers, and dates of '
                                'birth',
            'identity_theft_risk': 'High'},
 'investigation_status': 'Concluded',
 'references': [{'source': 'U.S. Department of Health and Human Services '
                           'Breach Portal'}],
 'regulatory_compliance': {'regulatory_notifications': ['U.S. Department of '
                                                        'Health and Human '
                                                        'Services (filed on '
                                                        '2026-06-02)']},
 'response': {'communication_strategy': 'Notification letters sent to affected '
                                        'individuals; dedicated helpline '
                                        'established',
              'third_party_assistance': 'Forensic review'},
 'title': 'Henry Rossi & Co. Data Breach Exposes Sensitive Information of '
          '2,720 Individuals',
 'type': 'Data Breach'}