APT29 Inside TeamViewer: 2024’s Calmest, Most Instructive Breach
On June 28, 2024, TeamViewer disclosed that a state-sponsored actor — widely reported as Russia's APT29 — had breached its corporate IT network through a standard employee's credentials, and that the remote-access product itself, and every customer, stayed untouched. This account reconstructs the hours-to-containment timeline, explains why corporate/product segmentation carried the day, places the intrusion in Cozy Bear's patient espionage season, and draws the anti-SolarWinds comparison that made this 2024's most instructive breach.