Penetration Testing & AI Security

We find your vulnerabilities. Before attackers do.

Penetration testing, red teaming and IT security consulting at the highest technical level — so your business stays one step ahead of cyber attacks.

PhD-level IT security experts · OSCP · OSCE · CISSP · 40+ years of combined experience

Dr. Ewan Fleischmann — Founder and CEO of Redlings

Dr. Ewan Fleischmann
Cybersecurity Expert, Head of Offensive & AI Security

Dr. Michael Gorski — Cybersecurity Expert

Dr. Michael Gorski
Cybersecurity Expert, Head of AI Governance & Assurance

Our team’s certifications

CISSP — Certified Information Systems Security Professional
ISSAP — Information Systems Security Architecture Professional
CISM — Certified Information Security Manager
CISA — Certified Information Systems Auditor
CRISC — Certified in Risk and Information Systems Control
CEH — Certified Ethical Hacker
OSCP — Offensive Security Certified Professional
OSCE — Offensive Security Certified Expert
GPEN — GIAC Penetration Tester
GCFA — GIAC Certified Forensic Analyst
GCIH — GIAC Certified Incident Handler
GCIA — GIAC Certified Intrusion Analyst
GCFE — GIAC Certified Forensic Examiner
GCDA — GIAC Certified Detection Analyst

What we do

Penetration testing & IT security from a single source

From targeted penetration testing to continuous security consulting — we support companies at every stage.

Penetration Testing

Penetration Testing

Realistic attacks on networks, systems and applications — we find security gaps before attackers can exploit them.

Web Application Pentest

Web Application Pentest

We thoroughly test your web applications, APIs and web servers for vulnerabilities.

Red Teaming

Red Teaming

Simulated cyber attacks reveal how well your organization detects and responds to attacks.

IT Security Consulting

IT Security Consulting

Comprehensive information security consulting — from strategy to technical implementation.

TISAX®

TISAX®

We guide you through implementing the VDA-ISA requirements all the way to the TISAX® label.

Incident Response

Incident Response

Preparation for the worst case and rapid support during an attack — including IT forensics and follow-up.

The people behind Redlings

Security is a matter for the top

At Redlings, you work directly with two PhD-level IT security experts.

Dr. Ewan Fleischmann — Founder and CEO of Redlings

Dr. Ewan Fleischmann

Cybersecurity Expert, Head of Offensive & AI Security

PhD cryptographer with over 22 years of experience in IT security and more than 25 scientific publications. Specialized in offensive security.

OSCP · OSCE · CISSP · PhD in Cryptography

Dr. Michael Gorski — Cybersecurity Expert

Dr. Michael Gorski

Cybersecurity Expert, Head of AI Governance & Assurance

PhD cryptographer with over 20 years of experience in IT security — including building and running security operations programs for international banks and corporations.

CISSP · CISM · CISA · OSCP · 25+ further certifications

PhDs in Cryptography

40+

Years of experience in IT security

25+

Scientific publications

35+

Certifications across the team

Why Redlings?

A Trusted Partner

In-depth threat analysis and consultation

A deep understanding of how hackers work

In accordance with recognized rules of technology (BSI, PTES, PCI DSS, OSSTMM, NIST, OWASP)

Extensive report with recommendations to fix found vulnerabilities

Comprehensive post-test support for effective elimination of detected risks

Redlings – your trusted partner for IT security

A selection of our references

These organisations trust our expertise in penetration testing, red teaming and security assessments.

For confidentiality reasons we show only a selection of our clients – many projects are subject to strict non-disclosure agreements.

Knowledge first-hand

IT security explained clearly

Practical knowledge from our guide — clearly prepared by our security experts.

New topic

AI security for businesses

From prompt injection to shadow AI: we show you how to protect AI systems, their data and their users against attacks, manipulation and data leakage.

Data Security

Data Security

Protection goals, measures and best practices for effectively safeguarding your data.

Proxy Server

Proxy Server

What a proxy server is, how it works and when using one makes sense.

IT Security Concept

IT Security Concept

Step by step to an effective security concept for your business.

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Let’s talk about your IT security

A no-obligation initial consultation — you speak directly with our experts.