Just recently, an attack believed to be perpetrated by the Chinese hacker group Storm-0558 targeted several government agencies. They used fake digital authentication tokens to access webmail accounts running on Microsoft’s Outlook service. In this incident, the attackers stole a signing key from Microsoft, enabling them to issue functional access tokens for Outlook Web Access…

It’s not been a great week for cloud computing service provider Rackspace. On December 2, customers began experiencing problems connecting and logging into their Exchange environments. Rackspace started investigating and discovered an issue that affected its Hosted Exchange environments. Now Rackspace has announced it was actually a ransomware incident that caused the service disruptions. While…