May 27, 2022

Malware Attack Takes Wolters Kluwer Tax Resources/Commerce Clearing House Offline, Company is Working to Restore Services

From GovInfo Security:

Accounting software giant Wolters Kluwer says it’s continuing to attempt to recover from a malware attack that disrupted services for users of its cloud-based services. While some online chatter has suggested that ransomware may have been involved, the company has yet to publicly name the strain of malware involved.


Wolters Kluwer is a $4.8 billion global information services company based in the Netherlands that develops CCH, a suite of tax and accounting software that’s available in both on-premises and software-as-a-service form.

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About Gary Price

Gary Price ( is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at, and is currently a contributing editor at Search Engine Land.