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About SIU Security

Security you can
actually trust.

SIU is a Nigerian cybersecurity and web design firm. We built Prism because we were tired of watching businesses get compromised by problems a basic scan would have caught.

Work with us
SIU Security

SIU Cybersecurity Services &
SIU Web Designs

Penetration Testing
Security Audits
Web Design & Development
Security Consulting

5+

Years in cybersecurity

50+

Systems secured

100%

Client confidentiality

24h

Response time

What we do

Two companies. One mission.

Penetration Testing

Full manual pen test — OWASP Top 10, business logic, authenticated scanning.

Security Audit

Comprehensive review of your infrastructure, code, and security posture.

Security Consultation

Expert advice on your security strategy, tools, and team practices.

How we work

What makes SIU different.

Integrity first

We never share client information. What we find stays between us and you.

Speed without compromise

Fast turnarounds, thorough results. We don't make you choose between speed and depth.

Real humans, real advice

No automated reports passed off as expert work. Every engagement is handled by our team personally.

Results you can act on

We don't just find problems — we tell you exactly how to fix them, in plain English.

Ready to secure your business?

Start with a free Prism scan, or book a full penetration test with our team.