JetBrains, makers of Phpstorm, one of the most popular IDEs for PHP developers, has published a statement denying any involvement in the SolarWinds attack, which compromised multiple US federal agencies and private companies. The company stated that it has not been the subject of an official investigation: JetBrains has not taken part or been involved in this attack in any way. SolarWinds is one of our customers and uses TeamCity, which is a Continuous Integration and Deployment System, used as part of building software. SolarWinds has not contacted us with any details regarding the breach and the only information we have is what has been made publicly available.