CISA Gives Guidance on Evicting Adversaries from Networks Following the SolarWinds Attacks
The Cybersecurity and Infrastructure Security Agency (CISA) has issued guidance on ousting threat actors from systems breached in the SolarWinds Orion supply chain attacks and, even succeeding breaches of Active Directory and M365 environments. The attacks were credited to threat actors linked with the Russian Foreign Intelligence Service (SVR). After acquiring network access by means of the update system of SolarWinds Orion, the threat actor picked its targets of interest for additional exposure and ignored multi-factor authentication strategies and moved laterally into Microsoft 365 environments by compromising federated identity solutions. The majority of the targets chosen for more compromise include…