Find Your Weaknesses Before Attackers Do.
Eiferone is a cybersecurity consultancy specialising in penetration testing, security audits, network assessments, and compliance consulting, giving organisations of every size the visibility and evidence they need to close real gaps before they're exploited.
- Organisations acknowledging our research
- 20+
- Certified offensive security testers
- OSCP
- Findings reported in plain language
- 100%
- Compliance frameworks we test against
- 5
Organisations acknowledging our research
Certified offensive security testers
Findings reported in plain language
Compliance frameworks we test against
Aligned with the frameworks your customers and regulators expect
Acknowledged by leading organisations worldwide for responsible vulnerability reporting



















Offensive Security Services Built to Work Together
From penetration testing and red teaming to vulnerability management and compliance consulting, we deliver a coordinated security program where testing, remediation, and compliance all reinforce each other.
Managed Security (MDR)
24/7 threat monitoring, triage, and rapid containment.
Penetration Testing & Red Teaming
Real-world attack simulations across your entire attack surface.
Web Application Security
Deep assessments of the applications your customers rely on.
API Security
Testing and hardening for the APIs powering your platform.
Cloud Security
Configuration review, hardening, and continuous posture management.
Virtual CISO
Executive-level security leadership, without the full-time hire.
Why Security Teams Choose Eiferone
Full visibility, no black boxes
Every vulnerability, finding, and recommendation is documented and explained in plain language, so your team always knows what we found and why it matters.
Real testers, real attack techniques
Our penetration testers and red teamers use the same tools and techniques as real attackers, from social engineering and phishing simulation to network and web application exploitation.
Compliance-first methodology
We map every engagement to the frameworks you're accountable to, ISO 27001, Cyber Essentials, PCI-DSS, and OWASP, so security work also moves your audits forward.
Vendor-agnostic advisory
We're not selling a single platform. Our recommendations are built around what actually fits your stack, budget, and risk profile.
Ready to Reduce Your Attack Surface?
Talk to our team about where your security program stands today, and what a coordinated penetration testing and compliance engagement with Eiferone could look like. Free technical overview, no obligations.

