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David Greenhill

David Greenhill

Technical Lead, The Commonlight Initiative

David leads TCI's technical operations, specializing in agentic automation, LLM pipeline security, and self-hosted AI infrastructure. He designs capture systems, redaction workflows, and air-gapped deployment architectures for sensitive evidence processing.

Articles by David Greenhill(7)

Epic Fury Day 8: The Unconditional Mandate

Israel Security SITREP covering the Coalition's shift to strategic strangulation of the IRGC, the White House demand for unconditional surrender, and Kurdish shaping operations opening a second front.

·18 min

Agentic CLIs Are Redefining OSINT Collection Workflows

The command line is no longer a passive tool. Agentic CLI frameworks turn terminal sessions into autonomous investigation platforms — planning, executing, and iterating on OSINT collection without constant human steering.

·7 min

Air-Gapped AI: Running Local LLMs for Sensitive Evidence Processing

When evidence is too sensitive to leave the building, you need AI that runs entirely on-premises. Here's how TCI deploys local LLMs in air-gapped environments for entity extraction, analysis, and redaction.

·8 min

When LLMs Leak: Obfuscation Failures in AI-Assisted Redaction

LLM-powered redaction tools can fail in subtle, dangerous ways — reconstructing supposedly removed PII from context, leaking information through embeddings, or hallucinating redaction where none occurred.

·8 min

Building an Autonomous Evidence Capture Agent with Claude Code

A practical walkthrough of designing an evidence capture agent inside Claude Code — from objective definition to WORM-compliant artifact storage, with chain-of-custody logging built into every step.

·9 min

Building Trustworthy LLM Redaction Pipelines

LLMs offer powerful contextual PII detection, but only within a pipeline that compensates for their weaknesses. Here's how TCI architects redaction systems that combine LLM intelligence with deterministic guarantees.

·8 min

Field Report: Deploying an Evidence Processing Agent on Isolated Infrastructure

Lessons from deploying an autonomous evidence processing agent on air-gapped hardware — what worked, what didn't, and what we'd change for the next deployment.

·7 min

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