News Snapshot:
Microsoft Corp. said a Chinese hacking group thought to have government backing is targeting previously unknown security flaws in an email product used by businesses. The company said Tuesday that the group, which it calls “Hafnium,” is targeting vulnerabilities in versions of Exchange Server, an email and calendar application, that run on computer systems in physical offices. Hafnium previously has tried to steal information from infectious disease researchers, law firms, defense contractors and others, Microsoft said. Microsoft urged customers to update their Exchange Server to patch four vulnerabilities and warned of spinoff attacks. “Even though we’ve worked quickly to deploy...
