>A major payroll provider used by thousands of businesses in the United States, including government agencies, is reporting that it expects to be down for “weeks” due to a devastating ransomware attack. > >Kronos, known to be used by several thousand companies ranging from Tesla to National Public Radio (NPR), had its Private Cloud service go offline on Monday. This element is central to its UKG Workforce Central, UKG TeleStaff, and Banking Scheduling Solutions services used to track employee hours and process paychecks. The company confirmed that it had discovered an ongoing ransomware attack on December 11 and had taken the services hosted in Kronos Private Cloud offline as part of its mitigation measures. Kronos did not give a timetable for recovery but said that it expects it to be at least several days, if not weeks, before the services are fully online again. > >Though it has not been confirmed, there is speculation that the notorious Log4Shell vulnerability was involved given that the Kronos cloud services are known to be built on Java to a great degree. >...
> The company confirmed that it had discovered an ongoing ransomware attack on December 11 and had taken the services hosted in Kronos Private Cloud offline as part of its mitigation measures.
They probably won't clarify (legal liability, etc), but it would be nice to know whether the ransomware attack came from one of their customers' accounts (that is, whether they've got insufficient isolation between customers' data) or a company internal source (that is, whether the entire organization's security posture needs reassessment).