AI agents are no longer experimental tools — they are becoming autonomous participants in enterprise infrastructure. Acting independently, making decisions at machine speed, and interacting directly with sensitive systems, these agents fundamentally reshape the trust model that underpins modern organizations. As AI becomes embedded across operations, security must evolve from perimeter defense to continuous, identity-driven trust. This conversation explores what it means to build a resilient trust architecture for autonomous systems — one that ensures verifiable identity, constrained authority, accountability, and governance at scale.
We’ll examine how enterprises can balance innovation with control, prevent misuse or spoofed agents, and prepare for a future defined by machine-to-machine interactions. At stake is not just cybersecurity, but the integrity of digital trust itself.
This segment is sponsored by DigiCert. Visit https://securityweekly.com/digicertrsac to learn more about them!
Read the interview summary from SC Media here: DigiCert’s Amit Sinha on autonomous intelligence and the future of digital trust
- 0:00 - – RSAC 2026 Intro & DigiCert Overview
- 0:34 - – What DigiCert Does (PKI, Encryption & Digital Trust)
- 01:05 - – DigiCert ONE Platform Explained (PKI, DNS & CLM)
- 01:18 - – Why Certificate Lifecycle Management (CLM) is Critical
- 02:01 - – The Risk of Certificate Outages (Real-World Example)
- 02:43 - – Why Automation is Essential for Modern PKI
- 03:17 - – CLM Benefits: Crypto Agility, Zero Trust & Post-Quantum
- 04:31 - – ROI of CLM: 6-Month Payback & Cost Savings
- 05:22 - – AI Agents & Machine Identity Explained
- 05:54 - – Digital Passports for AI Agents (PKI Identity Model)
- 06:46 - – Agentic AI Identity vs Token-Based Authentication
- 08:05 - – Why Cryptographic Identity Matters for Zero Trust
- 09:09 - – Policy-Based Access Control with OPA (Guardrails)
- 09:45 - – Fighting Deepfakes with Content Provenance
- 10:10 - – Signing Digital Content (Videos, Images & Documents)
- 10:45 - – C2PA Standard & Verifiable Media Authenticity
- 12:16 - – DigiCert’s Evolution: From CA to Full Security Platform
- 13:23 - – Why PKI + DNS Integration Matters
- 14:55 - – Email Security: DMARC, SPF & DKIM Explained
- 15:25 - – Valimail Acquisition & Email Trust Innovation
- 16:04 - – Verified Mark Certificates (VMC) & Email Trust Signals
Dr. Amit Sinha is CEO of DigiCert. Prior to DigiCert, Dr. Sinha was President of Zscaler. During his 12-year tenure, Zscaler grew from a startup to a NASDAQ-100 company and established itself as a dominant leader in enterprise security. Dr. Sinha is an independent Board Member at Zscaler and at DataRobot, an AI cloud platform company, and an advisor to several startups.
Prior to Zscaler, Dr. Sinha served as CTO for Motorola’s Enterprise Networking and Communications business, delivering Wi-Fi solutions. He was the CTO of AirDefense, a market leader in the wireless security space, leading to its successful acquisition by Motorola in 2008. Prior to AirDefense, Dr. Sinha served as Co-Founder and Chief Technologist at Engim, a Wi-Fi semiconductor company.
Dr. Sinha earned his Masters and Ph.D. in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology, Cambridge, and his B.Tech. in Electrical Engineering from the Indian Institute of Technology, Delhi, where he graduated summa cum laude and was awarded the President of India Gold Medal. He has authored over 25 journal/conference papers, contributed to 3 books, and is the inventor of 39 U.S. patents granted or pending.
