Thinkstock Hot patching and isolating potentially affected resources are on the IT response schedule as enterprises that employ SolarWinds Orion network-monitoring software look to limit the impact of the serious Trojan unleashed on the platform. The supply-chain attack, reported early this week by Reuters and detailed by security researchers at FireEye and Microsoft involves a potential state-sponsored, sophisticated actor gained access to a wide variety of government, public and private networks via Trojanized updates to SolarWind’s Orion network monitoring and management software. This campaign may have begun as early as spring 2020 and is ongoing, according to FireEye and others.