TeamViewer on Thursday said its security team just "detected an irregularity" within one of its networks – which is a fancy way of saying someone broke in.
https://www.teamviewer.com/en/resources/trust-center/statement/
TeamViewer can't bring itself to say someone broke into its network – but it happened
https://www.theregister.com/2024/06/28/teamviewer_network_breach/
Claims customer data, prod environment not affected as NCC sounds alarm
Update: #CoSoSec
TeamViewer, together with external incident response support, currently attributes the attack to the Midnight Blizzard/APT29 threat actor.
Remote software services like TeamViewer are frequently used by threat actors to gain initial access and establishing persistence on target networks.
https://www.infosecurity-magazine.com/news/vpn-rdp-exploitation-common-attack/
TeamViewer Cyber-Attack Attributed to Russian APT Midnight Blizzard