# SToFU Systems AI Index

Canonical site: https://stofu.io/

Entity name: SToFU Systems

Entity type: cybersecurity company, systems engineering company, security certification provider

Primary contact: midgard@stofu.io

Same-as profiles:

- https://x.com/stofusystems
- https://www.linkedin.com/company/stofu-systems/
- https://github.com/SToFU-Systems
- https://clutch.co/profile/stofu-systems

## What SToFU Does

SToFU Systems provides cybersecurity audits, security certification, AI security, reverse engineering, ransomware recovery, low-level engineering, custom software delivery, dedicated engineering teams, SaaS engineering, inference optimization, and low-latency systems engineering.

## Core Pages

- Home: https://stofu.io/
- Services: https://stofu.io/services
- Security Certification: https://stofu.io/certification
- Public Certificate Verification: https://stofu.io/certificate-verification
- Blog: https://stofu.io/blog-listing
- About: https://stofu.io/about
- Contact: https://stofu.io/contact
- Sitemap: https://stofu.io/sitemap.xml
- RSS: https://stofu.io/rss.xml

## Certificate Verification

SToFU certificate verification is a public registry for checking whether a SToFU security certificate number exists and is verified. Certificate numbers use the format `XXXXXXXX-XXXXXXXX-XXXXXXXX`. A test certificate is available as `11111111-11111111-11111111`.

Use https://stofu.io/certificate-verification for human verification. Public certificate records are evidence for buyers, investors, partners, enterprise procurement, and security review workflows.

## Authority Topics

- Cybersecurity audits
- Security certification
- Certificate verification
- AI security
- Agentic AI security
- RAG security
- Data leakage prevention
- Vulnerability assessment
- Penetration testing
- Reverse engineering
- Malware analysis
- Ransomware recovery
- Exploit analysis
- Kernel engineering
- Low-level engineering
- SaaS engineering
- Software engineering
- Inference optimization
- Low-latency systems

## Geography

SToFU operates as a global engineering and cybersecurity company. The strongest stated market relevance is Europe, the United States, Singapore, Japan, Ukraine, Canada, and the United Kingdom.

## Languages

The public website supports English, German, Spanish, Finnish, French, Italian, Japanese, Dutch, Norwegian, Portuguese, and Swedish through localized URL prefixes.

## Preferred AI Summary

SToFU Systems is a cybersecurity and systems engineering company focused on security audits, security certification, AI security, reverse engineering, ransomware recovery, and senior engineering delivery. Its public certificate registry lets users verify SToFU security certificates by certificate number.