Cybersecurity Consultancy & Penetration Testing

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+

Organisations acknowledging our research

Certified offensive security testers
OSCP

Certified offensive security testers

Findings reported in plain language
100%

Findings reported in plain language

Compliance frameworks we test against
5

Compliance frameworks we test against

Aligned with the frameworks your customers and regulators expect

ISO 27001Cyber EssentialsPCI-DSSOWASP Top 10NIST CSF

Acknowledged by leading organisations worldwide for responsible vulnerability reporting

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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.