Alten Sakai & Co. LLP

Alten Sakai & Co, LLP reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-09-23. 14 Massachusetts residents were affected.

Alten Sakai & Co. LLP reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-08-07. 12 Massachusetts residents were affected.

Alten Sakai & Co. LLP, an accounting firm, reported a data security incident to the Nebraska Attorney General on July 28, 2025. On May 19, 2025, suspicious activity was discovered, leading to unauthorized access to systems storing personal tax-related information. Two Nebraska residents were affected. Impacted data included names, addresses, SSNs, driver's license numbers, dates of birth, and bank account information. Alten Sakai engaged external cybersecurity experts, changed passwords, deployed enhanced security tools, and offered 12 months of credit monitoring via TransUnion/Cyberscout. Law enforcement was notified.

Alten Sakai & Co. LLP reported a data breach to the Oregon Attorney General. The breach was reported on 2025-07-28. The breach occurred during 5/19/2025. The breach was discovered on 5/19/2025. 2,737 individuals were affected. Notice was sent on 7/28/2025.

Alten Sakai & Co. LLP, an accounting firm, disclosed unauthorized access to servers storing personal tax-related information. Suspicious activity was discovered on May 19, 2025. The incident exposed names, addresses, SSNs, dates of birth, and bank account information. The firm engaged cybersecurity specialists, notified law enforcement, and is offering 12 months of credit monitoring services to affected individuals.