Leviathan Security Group

Seattle, WA, United StatesFounded 200650-200 peopleleviathansecurity.com

L2Cross-referenced, highest level reached

1 cross-referenced

Verified against independent sources

consulting.us2026-07-04

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Leviathan Security Group is a L2-verified AI-implementation provider based in Seattle, WA, United States, delivering appsec, pentest. Ranked on proof, 1 verified records on the Trustgent index.

What they build

Leviathan Security Group is a Seattle cybersecurity consulting firm founded in 2006, with consultants across Seattle, Atlanta, and San Francisco. Runs web application, network, and hardware penetration testing, secure code review, virtual CISO, tabletop exercises, IoT and pre-market medical device assessments, and vendor security management. Acquired by K2 Integrity in 2026 and continues under the Leviathan brand.

Quick facts

HQ: Seattle, WA, United States
Founded: 2006
Team: 50-200
Languages
Stack

Capabilities

Application security
Penetration testing

Industries served

Healthcare
SaaS & technology
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 Leviathan Security Group

What does Leviathan Security Group build?

Leviathan Security Group is a L2-verified AI-implementation provider on Trustgent, delivering Application security, Penetration testing.

Where is Leviathan Security Group based?

Leviathan Security Group is headquartered in Seattle, WA, United States.

How is Leviathan Security Group verified on Trustgent?

Leviathan Security Group has an EARNED verification level of L2 on Trustgent, with 1 contributing verified records (most recent verification: 2026-07-05). Verification is independent of any subscription, plan tier is never a ranking input.

How is Leviathan Security Group 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.