Cybersecurity · Architecture · Risk · Digital Trust

Collection of notes logo

Collection of notes

Suryo Utomo · Cybersecurity Practitioner

Field Notes on Digital Trust

Cybersecurity beyond the dashboard.

Practical analysis of security architecture, cyber risk, identity, infrastructure, and the decisions behind resilient digital systems.

About this journal

A personal knowledge journal for practitioners and decision-makers—written to make complex security topics useful, readable, and grounded.

Latest Analysis

Updated journal

AI

AI Agent Security: Defending Autonomous Enterprise Workflows

As enterprises deploy autonomous AI agents with access to internal tools and databases, indirect prompt injection presents severe operational risks. Learn the architectural vulnerabilities of tool-augmented language models and discover…

Sep 20, 2026 · Dede Manungsa

AI Agent Security: Defending Autonomous Enterprise Workflows