OWASP Experts in Berlin

André Beran

External Attack Surface Assessment & Cybersecurity Readiness Checks

Last position:

External Attack Surface Assessment & Cybersecurity Readiness Checks at Graydaxe Cybersecurity GmbH

Conducting cybersecurity readiness checks based on an in-house assessment methodology
Analyzing the external attack surface using the Graydaxe EASM platform
Assessing maturity levels and deriving prioritized recommendations for action

Ali Yazdani

Principal Product Security Engineer

Last position:

Principal Product Security Engineer at Payrails GmbH

Defined and executed a comprehensive security roadmap: integrated Shift-Left Security, CNAPP, and DevSecOps principles to streamline secure product development and reduce risk exposure.
Established a robust threat modeling framework: embedded security into design processes, enabling early identification of vulnerabilities and reducing potential risks.
Developed a scalable Vulnerability Management program: accelerated detection and remediation of new vulnerabilities, significantly shortening the risk response cycle.
Enhanced cloud and container security: leveraged advanced tools such as Tetragon to achieve deeper visibility and implement a defense-in-depth strategy.
Automated security controls within CI/CD pipelines: integrated security measures into the development lifecycle to maintain continuous delivery with robust safeguards.
Championed cross-functional collaboration: partnered with developers and infrastructure teams to prioritize threats and align remediation efforts, fostering a unified security culture.
Ensured regulatory compliance and audit readiness: collaborated closely with the InfoSec team to adhere to internal policies and successfully support audits for standards like PCI-DSS and SOC2.

Seyed Farhad Miri

Senior Product Security Engineer

Last position:

Senior Product Security Engineer at Delivery Hero

Developed a custom tool using the Mistral 7B LLM to scan, validate and report security vulnerabilities.
Security tested AI agents, bots, and other LLMs with a focus on prompt injection, model inversion, data poisoning, EDR/AV bypass and evasion techniques, membership inference, model evasion, overfitting to malicious inputs and contextual manipulation.
Onboarded repositories to SAST solutions for security scanning, implemented secrets scanning, DAST, SCA, and utilized ZAP for DAST in CI/CD pipelines.
Engaged in security awareness trainings, developed CTF challenges and training materials to enhance developer security knowledge.
Planned and executed bi-annual red teaming operations based on the MITRE ATT&CK framework and led internal and external pentests based on the OWASP Top 10 framework for 70+ applications worldwide, resulting in detection, reporting, and remediation of hundreds of vulnerabilities.
Triaged HackerOne reports.

Matthias Steinmann

Senior Security Consultant (freelance)

Panketal

Last position:

Senior Security Consultant (freelance) at DVZ M-V

ISMS and security concept for the Fabasoft e-file according to BSI 200-1/2, among others
Structural analysis (A.1), modeling (A.3), and baseline protection checks (A.4)
Preparation for OWASP penetration test, incident response plan, risk analysis
DevOps Bitbucket, ARC42, IAM with Keycloak/AD, multi-tenant setup, DMS, SOC
Emergency preparedness concept (BSI 200-4), operations and service concept (BSK), ITSM

Vishnu Kv

Red Team Engineer (Professional Management Level VI)

Last position:

Red Team Engineer (Professional Management Level VI) at Schwarz Group (Lidl, Kaufland, Stackit)

Developed Red Team infrastructure for real-world attack simulations using Sliver C2 and custom tools
Executed advanced Red Team operations, integrating AI/LLM security research for prompt injection attacks
Conducted comprehensive breach assessment attacks and vulnerability assessments across enterprise infrastructure
Performed root cause analysis and purple team exercises, generating executive-level reports
Lead LLM red teaming initiatives to improve AI model security for GPT-4, Mistral, and internal GenAI models

Jan Kopia

Consultant for Information Security & Auditor

Last position:

Consultant for Information Security & Auditor at Kopiasonsulting GmbH

Operational management of the company: building teams and infrastructure, developing products, analysis and implementation of IT security measures
Project assignments in the IT security environment focusing on establishing blue teaming activities (defensive processes and technologies) to defend against cyber attacks
Conducting red teaming processes, including penetration tests and security analyses for companies
Consulting on setting up Security Operation Centers and implementing SIEM systems, and building Computer Incident Response Teams (CSIRT)
Auditor for ISO 9001 and ISO 27001, § 8a, ISO 27019, § 11 1a EnWG, TISAX
Advising companies in critical infrastructures on information security and compliance with the IT Security Act
Building SIEM/SOC processes and SOC analyst work (Splunk, ELK-Stack)
Integrating data into monitoring tools (Prometheus, Grafana)
Consulting on BSI IT baseline protection, ISO 9001, ISO 27001, BCM, ITIL and risk management
Security assessments and penetration testing of IT and network architectures

Steven Mohr

Freelance Trainer

Dallgow-Döberitz

Last position:

Freelance Trainer at TÜV Rheinland Akademie

Practical seminar "Generative AI in Software Development"
Mobile apps and cloud computing
Internet of Things, smart home and consumer healthcare
Future of mobile communication

Amit Vitekar

Security Consultant (Ethical Hacker)

Last position:

Security Consultant (Ethical Hacker) at Security Research Labs (SRLabs)

Led telecom security testing team & SOC deployments across Tier-1 carriers; reduced critical vulnerabilities by 30%.
Conducted 5G/O-RAN fuzzing, penetration testing, and vulnerability research (basebands, RAN, core).
Designed testbeds for protocol fuzzing (AFL++, LibAFL) on 5G stacks.
delivered client workshops on secure telecom with AI assisted workflows.
Researched AI-driven SOC and penetration testing (LLMs for log triage, anomaly detection, adversarial monitoring).

Mario Ellebrecht

Developer and Consultant