Considering the quote:"MITRE followed best practices, vendor instructions, and the government’s advice to upgrade, replace, and harden our Ivanti system, but we

Considering the quote:"MITRE followed best practices, vendor instructions, and the government’s advice to upgrade, replace, and harden our Ivanti system, but we did not detect the lateral movement into our VMware infrastructure. At the time we believed we took all the necessary actions to mitigate the vulnerability, but these actions were clearly insufficient." It seems like anything connected to it was fully compromised for quite some time.