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Current Data Breaches

Featured Data Breaches

CSC
Date of Breach: Not yet publicly disclosed by CSC (CL0P dark web claim dated October 21, 2025; reported to Vermont AG August 13, 2026)

Social Security numbers

Date of Breach: August 7, 2026 (date claimed by the threat actor; not yet independently confirmed by United Group of Companies)

Not yet publicly disclosed by United Group of Companies

Date of Breach: Suspicious activity detected June 21, 2026; affected individuals notified starting August 13, 2026

Names and Social Security numbers

Date of Breach: Network access began January 16, 2025; discovered by the Practice and disclosed to affected individuals starting August 13, 2026

Names, driver’s license or state ID numbers, phone numbers, mailing addresses, email addresses, Social Security numbers, dates of birth, prescription information, treatment information, procedure images, and x-rays

Date of Breach: January 2026 (recurring misuse through July 2026)

Names, email addresses, phone numbers, physical addresses, tournament/card-sale activity preference

Date of Breach: Reported to the Vermont Attorney General's Office on August 13, 2026 (exact date of breach not publicly disclosed)

Social Security numbers, government ID numbers, financial account codes, credit or debit account information, health records

Date of Breach: Discovered June 11, 2026; reported to the Washington Attorney General on August 7, 2026

Names, telephone numbers, email addresses, Foundational Community Supports (FCS) eligibility status, and records of communications regarding housing and employment services

Date of Breach: August 12, 2026 (date claimed by the threat actor; not yet independently confirmed by Cornelius)

Not yet publicly disclosed by Cornelius

Date of Breach: June 8-11, 2026 (discovered June 13, 2026; reported to HHS OCR July 17, 2026)

Names, contact information, dates of birth, and clinical/treatment-related records