A working reference for the language of modern cybersecurity — organized by threat surface and defensive domain. Definitions are written for security professionals, technical managers, and informed practitioners who need precision without padding. Threat Actors and Motivation Advanced Persistent Threat (APT) A sophisticated, long-duration cyberattack campaign — typically state-sponsored — characterized by stealth, patience, and a specific high-value target. APT actors infiltrate networks and maintain persistent access for months or years before executing their objective.

RSAC 2026 has opened at the Moscone Center, bringing together the global cybersecurity community for its 35th year. Hosted in San Francisco, the event gathers tens of thousands of attendees from over 100 countries, alongside more than 700 speakers, 570+ sessions, and 600+ exhibitors. This year’s focus centers on the growing impact of AI, which is accelerating both cyber threats and defensive capabilities. The conference blends high-level keynotes with technical tracks, hands-on villages, and startup showcases, including the Innovation Sandbox where emerging companies receive significant investment backing.