Resources that provide knowledge and help. While not exclusively relating to IT, many of the links are IT related due to the nature of this website.
Active Directory & Enterprise Security, Attack Methods & Effective Defenses, PowerShell, Tech Notes, & Geek Trivia…
Bleeping Computer is a community devoted to providing free original content consisting of computer help and tutorials in such a way that the beginning computer user can understand.
Cloud Advice (By Gartner)
Join a community of IT leaders, built by people like you for people like you
IT Sharing Site. Tips, tricks, hints, advice.
IT Support forums