Ackerman, Kason L. Cybersecurity and data breaches : learning from CCH's mistake / by Jason L. Ackerman - New York : The New York State Society of Certified Public Accountants, June 2019 - The CPA Journal June 2019 . - June 2019 . Subjects--Topical Terms: Information system Dewey Class. No.: BPer. 657.05 / C33