Amazing silver linings "Sure, they didn't secure the environment at all, but on the other hand, there was no evidence of an escape from a secure environment."
Note that there was no evidence here of an escape from a secure environment. AISI’s disclosure of the incident can be found here: https://www.aisi.gov.uk/blog/incident-report-unsanctioned-agent-behaviour-during-cyber-testing (6/6)