What’s Behind the Wolters Kluwer Tax Outage?

ronjor · May 7, 2019

Early in the afternoon on Friday, May, 3, I asked a friend to relay a message to his security contact at CCH, the cloud-based tax division of the global information services firm Wolters Kluwer in the Netherlands. The message was that the same file directories containing new versions of CCH’s software were open and writable by any anonymous user, and that there were suspicious files in those directories indicating some user(s) abused that access.
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https://krebsonsecurity.com/2019/05/whats-behind-the-wolters-kluwer-tax-outage/

guest · May 13, 2019

IRS Gives Hacked Accounting Software Customers a Reprieve
May 13, 2019
https://www.inforisktoday.com/irs-gives-hacked-accounting-software-customers-reprieve-a-12474

Good news for customers of accounting software vendor Wolters Kluwer: The U.S. Internal Revenue Service has given you a 7-day extension to submit several different types of filings that are coming due.

"The IRS has approved extensions for tax return types 990, 1120 and 1065 filings that were impacted by the May 6 service interruption of Wolters Kluwer CCH software," the software vendor says in a Monday security update, noting that it alerted all customers to the extension on Friday.
"We reiterate that as of today we have not seen any evidence that customer data or systems were compromised or that there was a breach of confidentiality of customer data."

Wolters Kluwer said Monday that it was still working to fully restore all systems for customers, seven days after being hit by malware. The company has yet to comment on the type of malware - or potentially ransomware - that infected its systems.
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https://twitter.com/Wolters_Kluwer/status/1127852414307131392

UPDATE: We have restored service to the vast majority of our customer applications and platforms over the last few days. We continue to work around the clock to restore remaining services.
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What’s Behind the Wolters Kluwer Tax Outage?

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