Siber Ninja
Speciality: Web Application Pentesting
London, United Kingdom 5 employees
Publishes CVEs
[01] About
Cybersecurity company specializing in offensive security and penetration testing; 4 employees with 25% YoY growth; founded 2015; headquartered in London, UK.
Siber Ninja is a specialised offensive security consultancy and technology partner trusted by leading enterprises, high-growth scale-ups, and public institutions worldwide.
We combine deep hands-on pentesting expertise, secure SDLC & DevSecOps advisory, and instructor-led training to help organisations build, operate, and scale secure software programmes – not just pass audits.
Our portfolio includes:
• Security Consulting – advanced web, mobile, API, and cloud penetration testing, red teaming, threat modelling, architecture & code review
• Management Consulting – secure SDLC and DevSecOps transformation, security programme design, risk & governance advisory
• Training & Enablement – practical secure development training, AppSec bootcamps, and tailored enablement programmes for engineering teams
• Security Platforms – a unified testing platform (PTaaS) that orchestrates assessments, evidence, reporting, and retesting in one place
Why organisations choose Siber Ninja:
• End-to-end expert-led delivery with Fortune 500 and global financial experience
• PhD- and MSc-level consultants with peer-reviewed publications, CVEs, and open-source tooling
• Proven, attacker-realistic methodologies that generate actionable, business-aligned remediation guidance
• Recognised leadership with talks at DEFCON, Black Hat, and other global security events.
[02] Services
Penetration Testing
Vulnerability Assessment
Security Consulting
Management Consulting
Security Training
Ai-powered Security Platform Services.