Offensive nation-state cyber threats: Who takes the top spot?

This report is a concise threat-landscape overview comparing offensive cyber capabilities of major nation-states (PRC, Iran, North Korea, Israel, US) and describing numerous APT groups, historical malware incidents (e.g., Stuxnet, WannaCry), supply-chain and financially motivated operations, and common TTPs used by these actors to pursue espionage, disruption, or revenue generation.