Doğukan Talha İspirli
Chief Technology Officer @ Yunix Security
About
A Cyber Security Specialist and graduate of Istanbul Gelisim University with a degree in Information Security Technology, with hands-on experience in Active Directory security, including Kerberoasting, AS-REP Roasting, Pass-the-Hash, Pass-the-Ticket, ACL Abuse, DCSync, AD CS, and BloodHound-based attack path analysis. Experienced in internal and external network, web, API, and mobile application security testing, as well as designing MITRE ATT&CK-based attack scenarios.Conducted deployment, detection rule development, and incident analysis activities using Wazuh EDR/XDR, Splunk SIEM, and Sysmon. Participated in EDR/DLP bypass and data exfiltration scenarios. Focused on Offensive and Defensive Security, with an emphasis on mapping attack techniques to defensive controls, measuring their detectability, and automating security processes using Python and PowerShell.My Website: https://dtisec.netMy Github Account: https://github.com/f3nr1rs3cMy Medium Account: https://medium.com/@dogukan.ispirliMy HackTheBox Account: https://app.hackthebox.com/users/1485688 (xSirius)My TryHackMe Account: https://tryhackme.com/p/S1r1uSSecurity Test Technologies• Nmap• Burp Suite• Nessus • Metasploit Framework • SQLMap • Hashcat • John the Ripper • Wireshark • JADX• MobSF• BloodHound• CrackMapExec• Certipy• NetExec• Impacket• Responder• Mimikatz• RubeusPenetration Testing Methodologies• PTES• NIST• OWASP Testing Guide• MITRE ATT&CK• Cyber Kill Chain
Türkiye
Istanbul
Computer & Network Security
Cyber Security Consultancy, Red Team Operations, Tactics, Techniques, Procedures (TTPs), MITRE ATT&CK, OWASP Top 10, Active Directory Penetration Testing, Wireless Network Penetration Testing, Web Application Penetration Testing, API Penetration Testing, Mobile Application Penetration Testing, Social Engineering, Cyber Threat Intelligence, Attack Surface Management, External Surface Management, Open Source Intelligence, Physical Penetration Testing, Vulnerability Assessment, Python (Programming Language) , Kali Linux, Ethical Hacking
Experience
Chief Technology Officer
Yunix Security
Smirne, Turchia
Penetration Tester
RSU Consultancy
Scutari
• Active Directory and Wireless Network Security (Kerberoasting, AS-REP Roasting, Pass-the-Hash, Evil Twin). • Open Source Intelligence and Web Application Penetration Testing. • Mobile Security and Social Engineering, DDoS Awareness. • KVKK, ISO 27001, PCI-DSS, BDDK, EPDK, SPK, TCMB, NIS2, PTES, OWASP Testing Guide, Kick-off, Proof of Concept (PoC), Rules of Engagement.
Offensive Security Consultant
EMA Security LTD
Кадыкёй
[+] Penetration Testing Services • Red Team Operations and Adversary Simulations • Vulnerability Assessment and Penetration Testing • Internal Network Penetration Testing • External Network Penetration Testing • Web & API Application Penetration Testing • Mobile Application Penetration Testing (Source Code Analysis) • Verification & Re-testing • Support was provided for EDR and DLP bypass and data exfiltration tests. • Preparation of comprehensive reports with proposed solutions. [+] Cyber Security Assessment Services • Endpoint Security Products Audit • IPS/WAF Firewall Testing and Audit • Social Engineering and Phishing Testing • Attack Surface Management & Open Source Intelligence
Penetration Tester
EMA Security LTD
Кадыкёй
[+] Penetration Testing Services • Vulnerability Assessment and Penetration Testing • Active Directory Penetration Testing • Web & API Application Penetration Testing • Mobile Application Penetration Testing (Source Code Analysis) • Social Engineering Scenario Development & Security Awareness Testing • Attack Surface Management & External Attack Surface Management • Open Soruce Intelligence and Threat Modeling • Verification & Re-testing • Preparation of comprehensive reports with proposed solutions.
DevOps Specialist
YBY - Yıltur Bahadır Yılmaz
Miami, Florida, Amerika Birleşik Devletleri / Kağıthane, İstanbul, Türkiye
outsourced consultancy [+] Infrastructure & Security Operations • Linux Server & System Administration • Network, DNS, Load Balancer & Reverse Proxy Management • WAF Deployment, Configuration & Monitoring • Monitoring, Logging & System Observability [+] Software & Web Development • Developed and deployed websites and web applications from scratch. • Automated development and deployment workflows. • Developed automation scripts and optimized operational processes. [+] Application Security • Manual Web Application Security Testing • Vulnerability Assessment with Nessus & OWASP ZAP • Security Testing & Remediation
Penetration Tester Intern
SyberTÜRK
Distretto di Çankaya
Volunteer Internship • Active Directory Penetration Testing • Mobile (Android) Application Penetration Testing • Web Application Penetration Testing • Wireless Network Penetration Testing • Social Engineering Testing • Information Security
Information Technology Manager Assistant
Eraser Medical LLC
Distretto di Bornova
High School Long-Term Internship • İnformation Technology Inventory Layout • Technical Services Warehouse Layout • Technical Services for Hospitals • Cabling and Ducting • RJ-45 Connector Cable Making • Printer Setups • Printer Connection & Driver Installation • Operating Systems Setups (Windows, Linux, Ubuntu) • Computer Hardwares & Hardwares Cleaning • Software Setups & Software Updating • Computer Maintenance Repair • End User Problems
Information Technology Manager Assistant
Nukleus Sağlık Hizmetleri
Distretto di Bornova
High School Long-Term Internship • Windows Operating Systems Setup • System Backup & Replication • Outlook Mail Backup & Replication • EaseUS todo Backup Usage • Veeam Agent Backup & Replication Usage • Digital Forensic & Data Recovery • Computer Hardwares Cleaning • Software Setups & Software Updating • Computer Maintenance Repair • End User Problems • Office360 Mail Changing Operations • Server Maintenance • Server Room Arrangement
Information Technology Manager Assistant
ÖZEL GENTAN Genetik Hastalıklar Tanı ve Değerlendirme Merkezi
Bornova, İzmir, Türkiye
High School Long-Term Internship • Windows Operating Systems Setup • System Backup & Replication • Outlook Mail Backup & Replication • Digital Forensic & Data Recovery • EaseUS todo Backup Usage • Veeam Agent Backup & Replication Usage • Computer Hardwares Cleaning • Software Setups & Software Updating • Computer Maintenance Repair • End User Problems • Office360 Mail Changing Operations • Server Maintenance • Server Room Arrangement
Education
İstanbul Gelişim Üniversitesi
Information Security Technology
The lessons I'm taking. • Computer Networks (Cisco Packet Tracer) • Computer Hardware (Binary Calculation) • Algorithm and Programming (C++) • Integrated Office Applications (Office 365) • End User Security (Digital Forensic, Malware) • Open Source Operating Systems (Pardus, Kali Linux, Parrot OS) • Multiple Programming Languages (Python) • Web Design and Programming (HTML, CSS) • Information Law • Cyber Security (Malware, IDS&IPS, Firewall, DoS&DDoS, Buffer Overflow, Symmetric Encryption, Network Security) • Wireless Networks and Security (SSID, WEP, WPA, WPA2, EAP, AES, DoS, Spoofing, Sniffing, Infrared, Bluetooth, GSM, GPRS) • Database and Management (MySQL) • Business Health and Safety • Corporate Identity and Image Management • Information Security Management • Database Applications and Security • Cryptology • Secure Web Software Development (Web Application Security) • Machine Learning
Doğukan Talha İspirli's Contact Information
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