GMO Flatt Security
Shibuya-based penetration testing firm in the GMO group
Routing your brief is free — providers fund the channel. Capped at three recipients.
GMO Flatt Security is a L0-verified AI-implementation provider based in Tokyo, Japan, delivering appsec, vulnerability-mgmt, pentest. Ranked on proof — 0 verified records on the Trustgent index.
What they build
GMO Flatt Security is a Shibuya-based penetration testing firm founded in 2017 and now part of the GMO Internet Group. It runs web, mobile, cloud, IoT, game and API penetration tests, with reported experience in serverless and GraphQL targets. The company also ships Takumi, an AI agent used to assist internal pentest and assessment work.
Quick facts
- HQ
- Tokyo, Japan
- Founded
- 2017
- Team
- 10-50
- Languages
- ja, en
- Stack
- web pentestcloud pentestGraphQLAI-assisted testing
Capabilities
- Application security
- Vulnerability management
- Penetration testing
Industries served
- SaaS & technology
- Media & publishing
Regulatory readiness (provider-stated)
Provider-stated readiness. Trustgent cross-references these against independent sources at L2 and above — treat un-cross-referenced flags as claims, not confirmations.
About GMO Flatt Security
What does GMO Flatt Security build?
GMO Flatt Security is a L0-verified AI-implementation provider on Trustgent, delivering Application security, Vulnerability management, Penetration testing.
Where is GMO Flatt Security based?
GMO Flatt Security is headquartered in Tokyo, Japan.
How is GMO Flatt Security verified on Trustgent?
GMO Flatt Security has an EARNED verification level of L0 on Trustgent, with 0 contributing verified records. Verification is independent of any subscription — plan tier is never a ranking input.
How is GMO Flatt Security 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.