Class A Certified Penetration Testing Company
Nesil Teknoloji is certified by the Turkish Standards Institution (TSE) as a Class A – the highest level – penetration testing company under the TS 13638/T2 standard. Based in Ankara, we provide top-tier cybersecurity testing services across Turkey.
Class A Company Qualifications
We meet all requirements of the highest-level certification under TS 13638/T2.
Company Level Comparison
Under TS 13638/T2, penetration testing companies are certified at three levels: A, B, and C. Class A is the most comprehensive and highest level.
| Requirement | Class A ★ | Class B | Class C |
|---|---|---|---|
| ISO/IEC 27001 Certificate (TURKAK/IAF) | ✓ Required | ✓ Required | Relevant clauses |
| Senior Penetration Testing Specialist | Min. 1 | — | — |
| Certified Penetration Testing Specialist | Min. 1 | Min. 1 | — |
| Registered Penetration Testing Specialist | Min. 1 | Min. 1 | Min. 1 |
| Trainee Penetration Testing Specialist | Min. 2 | Min. 1 | — |
| Total Minimum Expert Staff | 5 people | 3 people | 1 person |
| TS 13638 Full Compliance | ✓ | ✓ | ✓ |
| TSE On-Site Audit | ✓ | ✓ | ✓ |
Penetration Testing Specialist Competency Hierarchy
Under TS 13638/T2, specialists are certified at 4 levels. Higher levels encompass all lower-level competencies.
Note: Higher-level certifications satisfy lower-level personnel requirements.
Why Choose a Class A Company?
Tangible advantages of working with the highest-level certified penetration testing firm.
Senior Expert Staff
Class A is the only tier that requires TSE-certified Senior Penetration Testing Specialists. Top-level expertise assurance even for the most complex systems.
ISO/IEC 27001 Certified
We hold a TURKAK-accredited ISO/IEC 27001 information security management system certificate. Your data is secure throughout the engagement.
TSE Audit Approved
Full compliance with all TS 13638 clauses verified through TSE on-site audit, including review of sample penetration testing projects.
Comprehensive Team Structure
A broad team of Senior, Certified, Registered, and Trainee specialists. The right level of expertise is assigned to every project.
Standards-Compliant Reporting
Detailed, systematic reporting aligned with TS 13638/T2. Findings, risk levels, and remediation recommendations presented clearly.
Regulatory & Tender Compliance
TSE Class A certificate is the highest competency credential for government tenders, KVKK (Turkish GDPR) compliance, and enterprise security requirements.
Confidentiality & Reliability
All engagements are protected under NDA agreements within our ISO 27001 and TS 13638 framework. Information is stored to the highest security standards.
International Methodologies
Systematic, repeatable penetration testing processes aligned with OWASP, NIST, PTES, and OSSTMM international frameworks.
Penetration Testing Services
Comprehensive security testing services delivered with Class A expertise across Ankara and all of Turkey.
Web Application Penetration Testing
Identify vulnerabilities in your web applications using OWASP Top 10 and advanced techniques.
Mobile Application Penetration Testing
iOS and Android security analysis, data leakage, and privilege escalation testing.
Network & Infrastructure Penetration Testing
Internal and external network tests, service scanning, vulnerability analysis, and exploitation.
Wireless Network Penetration Testing
Wi-Fi security configuration, encryption weakness, and unauthorized access testing.
Social Engineering Testing
Phishing, vishing, and physical security scenarios to measure employee awareness.
API Security Testing
REST, SOAP, and GraphQL authentication, authorization, and data security tests.
Cloud Security Testing
AWS, Azure, GCP misconfiguration detection and security vulnerability scanning.
Source Code Review
Static and dynamic security analysis of your application source code.
About the TS 13638/T2 Standard
Standard Scope
"Information Technology – Security Techniques – Requirements for penetration testing personnel and companies" – Turkey's national pentest standard.
Company Certification Levels
Companies are certified at 3 levels: A, B, and C. Class A has the most comprehensive personnel and ISMS requirements.
Personnel Certification
4 levels: Senior, Certified, Registered, and Trainee. Higher certifications encompass lower levels.
Audit Process
TSE conducts a 1-day on-site audit. All standard clauses are reviewed and at least 2 sample pentest projects are examined.
ISO 27001 Requirements
TURKAK-accredited or IAF member-accredited ISO/IEC 27001 certificate is mandatory for Class A and B companies.
Documentation Requirements
Certified copies of all contracts and documentation must be available during the audit.
Frequently Asked Questions
Common questions about TSE Class A penetration testing certification and our services.
Get Professional Penetration Testing Services
Test your security at the highest level with Nesil Teknoloji — TSE Class A certified, ISO/IEC 27001 accredited, serving Ankara and all of Turkey.
Contact Us →