'Is your biggest security threat already inside your castle?' - the definition of an "insider" has fundamentally changed. It’s not just about disgruntled employees; it’s about a complex web of social engineering, digital savviness, and agentic AI. https://nielharper.com/2026/03/23/is-your-biggest-security-risk-already-inside-your-castle #CyberSecurity #InsiderThreat #DigitalTrust #RiskManagement #AI #ZeroTrust #InfoSec