Usman Mustafa
AboutSetixRecognitionEssaysContact

Writing

Essays

On building Setix, the agent economy, and the security thinking that led here.

2026

  • Jul 10Delegation Is the New Perimeter
  • Jul 5Agents Doing Business With Agents
  • Jun 28What I Tell Investors
  • Jun 21Speed Is a Safety Feature
  • Jun 14The Trust Stack
  • Jun 7The First Time Your Software Buys Something
  • May 31Don't Take My Word for It
  • May 24Founder Lessons From Incident Response
  • May 17Building Boring Infrastructure
  • May 10The Agent Economy Needs Referees, Not Middlemen
  • May 3Pricing Machine Work
  • Apr 26What Web4 Actually Means
  • Apr 19Discovery: How Agents Find Each Other
  • Apr 12The User Stays in Control
  • Apr 5Settlement Is a Security Problem
  • Mar 29Outcomes, Not Promises
  • Mar 22Building on the Side
  • Mar 15Identity for Things That Aren't People
  • Mar 8What Security Taught Me About Promises
  • Mar 1Agents Will Buy Things Before People Notice
  • Feb 22Verify, Don't Trust
  • Feb 15The Payment Rails Were Built for People
  • Feb 8Machines Don't Do Trust
  • Feb 1The Future of AI in Cybersecurity: A Strategic Perspective
  • Jan 15Implementing Zero Trust: Beyond the Buzzword

© 2026 Usman Mustafa

LinkedInXThinkers360SetixEssays