Microsoft flagship store in London. The company confirmed a new family of ransomware being used after an initial compromise of unpatched on-premises Exchange Servers. (Microsoft)

Microsoft confirmed "a new family of ransomware being used after an initial compromise of unpatched on-premises Exchange Servers," via its Security Intelligence Twitter account.

The ransomware, called DoejoCrypt or DearCry, appears to be the latest threat associated with not patching the Hafnium Exchange Server vulnerabilities Microsoft first announced last week.

Please register to continue.

Already registered? Log in.

Once you register, you'll receive:

  • News analysis

    The context and insight you need to stay abreast of the most important developments in cybersecurity. CISO and practitioner perspectives; strategy and tactics; solutions and innovation; policy and regulation.

  • Archives

    Unlimited access to nearly 20 years of SC Media industry analysis and news-you-can-use.

  • Daily Newswire

    SC Media’s essential morning briefing for cybersecurity professionals.

  • Learning Express

    One-click access to our extensive program of virtual events, with convenient calendar reminders and ability to earn CISSP credits.