Sanders Walsh Eaton CPAs LLC

Sanders Walsh Eaton CPAs LLC (a CPA firm in Osterville, MA) suffered an unauthorized system intrusion on March 13, 2025, lasting less than four hours, in which an external actor exfiltrated personal data. The breach was discovered on March 26, 2025, after the IRS rejected tax filings. 753 total individuals were affected, including 1 Maine resident. The incident was reported to law enforcement and the IRS. Affected individuals were offered 12 months of Kroll identity monitoring.

Affected (this filing): 1

Sanders Walsh & Eaton CPAs LLC disclosed a data breach occurring on March 13, 2025, where an unauthorized actor accessed systems and exfiltrated personal data for less than four hours. Affected data included names combined with government identifiers (e.g., SSNs). The firm engaged Kroll to provide credit monitoring and identity theft restoration services and reported the incident to law enforcement and the IRS.