The Security Magazine reports on notorious SolarWinds disaster.

Microsoft said it identified more than 40 of its customers that installed trojanized versions of the SolarWinds Orion platform and where hackers escalated intrusions with additional, second-stage payloads.

The OS maker said it was able to discover these intrusions using data collected by Microsoft Defender antivirus product, a free antivirus product built into all Windows installations.

Read more on the Security Magazine