Microsoft said some of the hackers involved in the cyberespionage sweep aimed at the U.S. tech giant's SharePoint servers are now using ransomware, a potential escalation in the wide-ranging spy campaign. Microsoft made the claim in a blog post issued Wednesday...

(Bloomberg) -- The number of companies and organizations compromised by a security vulnerability in Microsoft Corp.’s SharePoint servers is increasing rapidly, with the tally of victims soaring more than six-fold in a few days, according to one research firm.Most Read from BloombergTrump Awards $1.26 Billion Contract to Build Biggest Immigrant Detention Center in USWhy the Federal Reserve’s Building Renovation Costs $2.5 BillionThe High Costs of Trump’s ‘Big Beautiful’ New Car Loan DeductionSalt...