Attack - Break - Defend

Mujin Security

Affordable PTaaS and seminars for startups and small dev teams who need security but can’t hire full-time.

01.

What we do

At MujinSec, we simulate real-world attacks to uncover vulnerabilities in web apps, APIs, and cloud environments. Our services are built for fast-growing companies looking to strengthen their security posture.Alongside technical testing, we help teams reinforce their human firewall through practical training on phishing, social engineering, and everyday digital hygiene.

02.

Our services

  • Black Box

We test your app from an outsider’s perspective. Ideal for public-facing apps and spotting low-hanging fruit.

  • White Box

With full access to credentials or code, we analyze business logic flaws and secure deeper layers.

  • Red Team

We simulate full-scale attacks on your systems, people, and processes to test resilience.

  • Security Awareness Training

Your staff will learn how to recognize phishing attempts, avoid social engineering traps, and prevent common mistakes that lead to breaches.All through real-world examples and practical exercises.

03.

Who are we

MujinSec is an independent security firm based in Gothenburg, Sweden, specializing in penetration testing and security awareness training for startups and SaaS companies.We combine deep technical expertise with a modern understanding of agile development and cloud-first infrastructure. Our mission is to help fast-moving tech teams stay ahead of real-world threat through security testing and practical education.

Choose Your Plan. Scale Your Security.

Black Box Pentest

We approach your system like a real attacker, with no prior knowledge. Covers OWASP Top 10, automated + manual recon, and real-world exploit simulations.Great for surface-level audits or startup SaaS products.

White Box Pentest

We test deeper logic paths, authenticated areas, and hidden flaws that attackers would exploit with insider knowledge.Perfect for pre-launch reviews or enterprise-level SaaS.

Red Team Simulation

Simulated full-scale attacks on your organization, systems, and people. We combine phishing, recon, privilege escalation, and persistence techniques to test your defenses across all fronts.For high-risk orgs or compliance-heavy teams.

Security Awareness

Live, engaging training sessions designed for non-technical teams. We teach your staff how to spot phishing, avoid social engineering, and build safer day-to-day security habits.Awareness training for non-technical teams.

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