Attackers were able to place malicious code in the PHP central code repository by impersonating key developers, forcing changes to the PHP Group's infrastructure.

Microsoft's embrace and adoption of open source software has continued with the surprising decision to publish the code for Windows Calculator and release it on GitHub under the permissive MIT ...

As in the SolarWinds attack, the PHP hackers targeted the code base of a widely used library so that the changes they made would impact instances of the software run by end users.