ADT.org — A Three-Letter Powerhouse for the Next Era of Trust and Technology ADT.org has that clean, unmistakable three-letter punch that serious organizations look for when they want to project neutrality, trust, and long-term credibility. Because the .org space naturally leans toward mission-driven initiatives, think tanks, institutes, standards bodies, academic programs, research alliances, technology frameworks, or professional associations, the name slips easily into roles where clarity matters and legacy eventually forms around the initials themselves.