GRIMM Cyber

Arlington, VA, United StatesFounded 201350-200 peoplegrimmcyber.com

L2Cross-referenced, highest level reached

1 cross-referenced

Verified against independent sources

bleepingcomputer.com2026-07-04

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GRIMM Cyber is a L2-verified AI-implementation provider based in Arlington, VA, United States, delivering red-team, appsec, pentest. Ranked on proof, 1 verified records on the Trustgent index.

What they build

GRIMM Cyber is an Arlington, Virginia (moving to Stafford County) engineering and consulting firm founded in 2013 providing custom cybersecurity research, development, testing, and consulting. Coverage spans traditional enterprise, industrial control systems, automotive, aerospace, drone, energy, embedded, and mobile systems. Serves government and commercial clients with CyPhy security engineering and red teaming.

Quick facts

HQ: Arlington, VA, United States
Founded: 2013
Team: 50-200
Languages
Stack

Capabilities

Red teaming
Application security
Penetration testing

Industries served

Manufacturing & industrial
Energy & utilities
Government & public sector

Regulatory readiness

Cross-referenced against public registries where a public source exists (L2+). The check mark marks an attribute we have a source for, see the proof page.

About GRIMM Cyber

What does GRIMM Cyber build?

GRIMM Cyber is a L2-verified AI-implementation provider on Trustgent, delivering Red teaming, Application security, Penetration testing.

Where is GRIMM Cyber based?

GRIMM Cyber is headquartered in Arlington, VA, United States.

How is GRIMM Cyber verified on Trustgent?

GRIMM Cyber has an EARNED verification level of L2 on Trustgent, with 1 contributing verified records (most recent verification: 2026-07-04). Verification is independent of any subscription, plan tier is never a ranking input.

How is GRIMM Cyber ranked?

Rank is a pure function of three EARNED signals: verification level (dominant), record count, and recency. No plan, fee, spend, or paid placement is ever an input. See https://trustgent.com/how-we-rank.