Across the  Talos 2025 Year in Review , state-sponsored threat activity from China, Russia, North Korea, and Iran all had varying motivations, such as espionage, disruption, financial gain, and geopolitical influence. But when you look at how these operations actually unfold, similar tactics, techniques, and procedures (TTPs) keep appearing: access through vulnerabilities and identity, and access that remains under the radar for a considerable period of time. Here are the dominant themes fr