 
          
        John Tear
Pluralsight Author
          
            John Tear is a seasoned offensive security specialist with over two decades of dedicated experience in the field of IT security and 8 years in cybersecurity. Possessing the coveted OSEE certification, John is a recognized authority in the UK civil nuclear sector at identifying vulnerabilities, exploiting those vulnerabilities, and helping defenders to protect their infrastructure.
          
          Topics Authored
            Security Professional
              
            Courses Authored
6
          Total Ratings
Avg Course Ratings
Courses by John
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                     Course
                        Active Directory Privilege Escalation Walkthrough Course
                        Active Directory Privilege Escalation Walkthrough Advanced Advanced 21m 21m Oct 17, 2025 Oct 17, 2025   Course
                        Active Directory Domain Access Takeover Walkthrough Course
                        Active Directory Domain Access Takeover Walkthrough Advanced Advanced 30m 30m Jul 25, 2025 Jul 25, 2025   Course
                        Active Directory for Offensive Security Professionals Course
                        Active Directory for Offensive Security Professionals Advanced Advanced 1h 41m 1h 41m May 20, 2025 May 20, 2025   Course
                        Specialized Malware: Code Injection Course
                        Specialized Malware: Code Injection Advanced Advanced 45m 45m Oct 18, 2024 Oct 18, 2024   Course
                        Specialized Exploits: Stack Overflows and Bypasses Course
                        Specialized Exploits: Stack Overflows and Bypasses Intermediate Intermediate 1h 1h Apr 24, 2024 Apr 24, 2024   Course
                        Specialized Exploits: Windows and Linux Shellcode Course
                        Specialized Exploits: Windows and Linux Shellcode Intermediate Intermediate 1h 14m 1h 14m Mar 29, 2024 Mar 29, 2024
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                     Course
                        Active Directory Privilege Escalation Walkthrough Course
                        Active Directory Privilege Escalation Walkthrough Advanced Advanced 21m 21m Oct 17, 2025 Oct 17, 2025   Course
                        Active Directory Domain Access Takeover Walkthrough Course
                        Active Directory Domain Access Takeover Walkthrough Advanced Advanced 30m 30m Jul 25, 2025 Jul 25, 2025   Course
                        Active Directory for Offensive Security Professionals Course
                        Active Directory for Offensive Security Professionals Advanced Advanced 1h 41m 1h 41m May 20, 2025 May 20, 2025   Course
                        Specialized Malware: Code Injection Course
                        Specialized Malware: Code Injection Advanced Advanced 45m 45m Oct 18, 2024 Oct 18, 2024   Course
                        Specialized Exploits: Stack Overflows and Bypasses Course
                        Specialized Exploits: Stack Overflows and Bypasses Intermediate Intermediate 1h 1h Apr 24, 2024 Apr 24, 2024   Course
                        Specialized Exploits: Windows and Linux Shellcode Course
                        Specialized Exploits: Windows and Linux Shellcode Intermediate Intermediate 1h 14m 1h 14m Mar 29, 2024 Mar 29, 2024
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                No labs authored.
 
           
                