Offensive Security Company based in Vienna

slashsec is an independent offensive security company headquartered in Vienna, Austria - founded in 2021 by veteran red teamers and pentesters. As a specialised offensive security provider across the DACH region, we combine decades of practical experience with a clear focus on red teaming services and adversary simulation.

Our team

David Wind

David Wind

Founder & CEO

Gabor Szivos

Gabor Szivos

Red Teamer & Malware Developer

Christoph Steinauer

Christoph Steinauer

Red Teamer & Phishing Expert

Darius Beckert

Darius Beckert

Red Teamer & Physical Intrusion Expert

Daniel Unterberger

Daniel Unterberger

Red Teamer & Pentester

Jakob Baumgartner

Jakob Baumgartner

Red Teamer & Pentester

What defines us

Trust

International clients in critical infrastructure sectors confirm our expertise and trustworthiness.

Practical experience

Our red teamers dedicate most of their time to practical work on our clients' IT security projects. Together, we have decades of expertise.

Experts

Only highly qualified experts with years of experience participate in our assessments.

Our certifications

Our team holds industry-recognized certifications in offensive IT security.

CRTO2 Certified Red Team Lead Zero-Point Security
CRTO Certified Red Team Operator Zero-Point Security
OSEP Offensive Security Experienced Pentester OffSec
OSWE Offensive Security Web Expert OffSec
OSCP Offensive Security Certified Professional OffSec
RTOS Red Team & Operational Security Specialized Training
MIAE Modern Initial Access and Evasion Tactics Specialized Training
ESI Endpoint Security Insights: Shellcode Loaders & Evasion Specialized Training

Ready for the next step?

Find out how we can take your cyber resilience to the next level.

Schedule a free consultation