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株式会社エヌ・エフ・ラボラトリーズ Tech Stack

Cybersecurity training and offensive services platform built on Python and AWS

Technology, Information and Internet 千代田区, 東京都 51–200 employees Founded 2019 Privately Held

NFLabs operates a three-business model: security training (purpleflair learning system), offensive outsourcing (penetration testing and hardening), and R&D. The tech stack—Python, AWS, Elasticsearch, Terraform, Docker—suggests a cloud-native platform approach. Active hiring leans heavily toward security roles over engineering, with mid-level and senior practitioners dominating—a pattern typical of services firms scaling delivery capacity faster than product development. Current project focus spans ML/LLM research for training, learning analytics, and CTF platform development, indicating an attempt to systematize what has likely been manual content creation and service delivery.

Tech Stack 20 technologies

Core StackPython AWS Elasticsearch TypeScript Terraform Ansible CloudFormation Docker Linux Active Directory Go KQL TryHackMe Kaggle Packer Git Windows C PowerShell Bash

What 株式会社エヌ・エフ・ラボラトリーズ Is Building

◆Challenges

Process improvement for content development
Acquiring new penetration testing projects
Reducing learning time for security engineers
Tool development for content creation

▲Active Projects

Purpleflair learning system development
Process improvement for content creation
Purpleflair ai feature development
Ml/llm research for cybersecurity training
Learning analytics for purpleflair
Cybersecurity training platform
Custom content development
Nflabs ctf and hardening program
New training program development
Penetration testing project acquisition

Hiring Activity

Accelerating10 roles · 8 in 30d

Department

Security

Engineering

Seniority

Mid

Senior

Company intelligence

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About 株式会社エヌ・エフ・ラボラトリーズ

NFLabs, founded in 2019, provides cybersecurity training, penetration testing, and related services from Tokyo. The company runs three interconnected business units: a training program (purpleflair) that develops security engineers, an outsourcing arm that applies offensive security techniques to harden client defenses, and R&D operations that convert real-world insights into new training content and tools. The model creates a feedback loop: training produces skilled practitioners, outsourcing engagements generate domain knowledge, and R&D packages that knowledge into scalable products. Current challenges include process bottlenecks in content creation, acquiring new penetration testing work, and reducing time-to-competency for trainees—all problems typical of rapid scaling in services.

Headquarters千代田区, 東京都

Company Size51–200 employees

Founded2019

Hiring MarketsJapan

Frequently Asked Questions

What tech stack does NFLabs use?

Python, AWS, Elasticsearch, Terraform, Docker, and Git form the core. Security-specific tools include TryHackMe, Kaggle, KQL, and Kali Linux. Infrastructure tooling spans Ansible, CloudFormation, and Packer.

What is NFLabs working on?

Purpleflair learning platform development, ML/LLM research for training, CTF and hardening programs, and acquisition of new penetration testing engagements.