GMO Flatt Security
GMO Flatt Security is a cybersecurity company specializing in Offensive Security, founded in 2017 and headquartered in Tokyo, Japan. It has raised $2.01M in equity across 3 priced rounds, employs about 37 people, and was acquired by GMO Internet in 2024.
updated Oct 11, 2026
GMO Flatt Security products
GMO Flatt Security Container AssessmentManual security assessment service for Docker and Kubernetes container environments
GMO Flatt Security Smartphone App AssessmentManual and automated security assessment service for iOS and Android apps and APIs
GMO Flatt Security Smartphone Game Assessment
GMO Flatt Security funding
GMO Flatt Security has raised $2.01M in priced equity. Its most recent round was a Venture Round in October 2021. It has 3 funding rounds on record: Angel, Seed, and Venture Round. 7 investors are on record, including B Dash Ventures and FinTech Global.
- Equity raised
- $2.01M3 priced rounds
- Last round
- Venture RoundOct 2021
GMO Flatt Security employees and hiring
As of September 2026, GMO Flatt Security has about 37 employees.
- Employees
- 37
- 30-day change
- 0%
- Open roles
- 0
GMO Flatt Security competitors
Competitors of GMO Flatt Security include SaferCore, DocExploit, and ISSDU (數聯資安). 47 more are in the platform, with overlap scoring.
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
