Tag: Microsoft Exchange

  • Teams: This is what caused the recent massive outage

    Teams: This is what caused the recent massive outage

    Teams parent company explains what it believes went wrong. Microsoft Office 365 company has disclosed its first findings about what it believes caused a recent severe outage. This outage affected some of its most popular software services.   Users throughout Europe and Asia were unable to use Microsoft 365 services for many hours due to the outage. This…

  • Rackspace admits ransomware attack on customer data

    Rackspace admits ransomware attack on customer data

      According to Rackspace, several customers’ data was accessed. Rackspace stated that the attackers responsible for the data breach gained access to some of its customers’ Personal Storage Table files. It includes a variety of information such as emails, calendar entries, contacts, and tasks. Rackspace ransomware attack This revelation comes after the company revealed that…

  • Ransomware used Microsoft Exchange exploit to breach servers

    Ransomware used Microsoft Exchange exploit to breach servers

    Threat actors utilizing Play ransomware are employing a novel attack chain that avoids ProxyNotShell URL rewriting mitigations. They are doing so to get remote code execution (RCE) on affected systems through Outlook Web Access (OWA).   A cyber security website discovered the flaw named OWASSRF. It was done so while researching Play ransomware operations that leveraged hacked…

  • Microsoft is warning users of password attacks.

    Microsoft is warning users of password attacks.

    IMAP and SMTP protocols are abused for password spraying attacks. Microsoft Exchange users are being targeted by password praying attacks using basic authentication. Microsoft warned its users when Basic Auth was turned off in October 2022. This will prevent users to add passwords in apps where there is no two-step verification. CISA and Cybersecurity informed…