"Tostrud & Temp, S.C., a full-service CPA firm headquartered in La Crosse, Wisconsin, was the subject of a claimed cyberattack by the Pear ransomware group, which on July 8, 2026 claimed responsibility for the breach and threatened to leak sensitive data. The incident involved potential exposure of personal and financial information including names, addresses, emails, phone numbers, and Social Security numbers of clients and employees. The full scope of compromised data has not been officially confirmed beyond the public reporting of the ransomware group's claims. A class action lawsuit has been initiated to represent affected individuals."
Source: https://www.masonllp.com/case/tostrud-temp-s-c-data-breach-class-action/
Headline: Tostrud & Temp, S.C Data Breach Class Action - Mason LLP
Actor: External
Approximate date: 2026-07
Data types: PII, Financial
NAICS: 5412
Confidence: 75% | Drafted by vcdb-pipeline — please review and complete VERIS fields.
"Tostrud & Temp, S.C., a full-service CPA firm headquartered in La Crosse, Wisconsin, was the subject of a claimed cyberattack by the Pear ransomware group, which on July 8, 2026 claimed responsibility for the breach and threatened to leak sensitive data. The incident involved potential exposure of personal and financial information including names, addresses, emails, phone numbers, and Social Security numbers of clients and employees. The full scope of compromised data has not been officially confirmed beyond the public reporting of the ransomware group's claims. A class action lawsuit has been initiated to represent affected individuals."
Source: https://www.masonllp.com/case/tostrud-temp-s-c-data-breach-class-action/
Headline: Tostrud & Temp, S.C Data Breach Class Action - Mason LLP
Actor: External
Approximate date: 2026-07
Data types: PII, Financial
NAICS: 5412
Confidence: 75% | Drafted by vcdb-pipeline — please review and complete VERIS fields.