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🔐 Cybersecurity

Ethical hacking, penetration testing, network security, CTFs and defensive security

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PHP strcmp Abuse: Python Web Hacking | Natas: OverTheWire (Level 24)
Cybersecurity
PHP strcmp Abuse: Python Web Hacking | Natas: OverTheWire (Level 24)
John Hammond Intermediate 7y ago
Filecarving with Binwalk: Homemade CTF: "A Brisk Stroll"
Cybersecurity
Filecarving with Binwalk: Homemade CTF: "A Brisk Stroll"
John Hammond Intermediate 7y ago
PHP Type Juggling: Python Web Hacking | Natas: OverTheWire (Level 23)
Cybersecurity
PHP Type Juggling: Python Web Hacking | Natas: OverTheWire (Level 23)
John Hammond Intermediate 7y ago
Disallow Redirects: Python Web Hacking | Natas: OverTheWire (Level 22)
Cybersecurity
Disallow Redirects: Python Web Hacking | Natas: OverTheWire (Level 22)
John Hammond Intermediate 7y ago
Cross-site Session Hijacking : Python Web Hacking | Natas: OverTheWire (Level 21)
Cybersecurity
Cross-site Session Hijacking : Python Web Hacking | Natas: OverTheWire (Level 21)
John Hammond Intermediate 7y ago
Abusing PHP Session Handlers: Python Web Hacking | Natas: OverTheWire (Level 20)
Cybersecurity
Abusing PHP Session Handlers: Python Web Hacking | Natas: OverTheWire (Level 20)
John Hammond Intermediate 7y ago
Python Web Hacking: Random Hex PHPSESSID | Natas: OverTheWire (Level 19)
Cybersecurity
Python Web Hacking: Random Hex PHPSESSID | Natas: OverTheWire (Level 19)
John Hammond Intermediate 7y ago
Google CTF: Beginner Quest: MEDIA-DB (SQL Injection)
Cybersecurity
Google CTF: Beginner Quest: MEDIA-DB (SQL Injection)
John Hammond Beginner 7y ago
Google CTF: Beginner Quest: GATEKEEPER (Reverse Engineering)
Cybersecurity
Google CTF: Beginner Quest: GATEKEEPER (Reverse Engineering)
John Hammond Beginner 7y ago
Bruteforcing PHPSESSID: Python Web Hacking | Natas: OverTheWire (Level 18)
Cybersecurity
Bruteforcing PHPSESSID: Python Web Hacking | Natas: OverTheWire (Level 18)
John Hammond Intermediate 7y ago
TIMING ATTACK SQL Injection: Python Web Hacking | Natas: OverTheWire (Level 17)
Cybersecurity
TIMING ATTACK SQL Injection: Python Web Hacking | Natas: OverTheWire (Level 17)
John Hammond Intermediate 7y ago
Google CTF: Beginner Quest: LETTER (Hacking PDF Files!)
Cybersecurity
Google CTF: Beginner Quest: LETTER (Hacking PDF Files!)
John Hammond Beginner 7y ago
Python Web Hacking: BLIND SQL Injection | Natas: OverTheWire (Level 15)
Cybersecurity
Python Web Hacking: BLIND SQL Injection | Natas: OverTheWire (Level 15)
John Hammond Intermediate 7y ago
Python Web Hacking: SQL Injection | Natas: OverTheWire (Level 14)
Cybersecurity
Python Web Hacking: SQL Injection | Natas: OverTheWire (Level 14)
John Hammond Intermediate 7y ago
Python Web Hacking: Blind Grep & RCE | Natas: OverTheWire (Level 16)
Cybersecurity
Python Web Hacking: Blind Grep & RCE | Natas: OverTheWire (Level 16)
John Hammond Intermediate 7y ago
Python Web Hacking: PHP Remote Code Execution File Upload | Natas: OverTheWire (Level 13)
Cybersecurity
Python Web Hacking: PHP Remote Code Execution File Upload | Natas: OverTheWire (Level 13)
John Hammond Intermediate 7y ago
Python Web Hacking: File Upload Remote Code Execution | Natas: OverTheWire (Level 12)
Cybersecurity
Python Web Hacking: File Upload Remote Code Execution | Natas: OverTheWire (Level 12)
John Hammond Intermediate 7y ago
Python Web Hacking: PHP XOR | Natas (Level 11)
Cybersecurity
Python Web Hacking: PHP XOR | Natas (Level 11)
John Hammond Intermediate 7y ago
Python Web Hacking: Remote Code Execution | Natas: OverTheWire (Level 10)
Cybersecurity
Python Web Hacking: Remote Code Execution | Natas: OverTheWire (Level 10)
John Hammond Intermediate 7y ago
Python Web Hacking: PHP Command Injection | Natas: OverTheWire (Level 9)
Cybersecurity
Python Web Hacking: PHP Command Injection | Natas: OverTheWire (Level 9)
John Hammond Intermediate 7y ago
Python Web Hacking: PHP Base64 & Hex | Natas: OverTheWire (Level 8)
Cybersecurity
Python Web Hacking: PHP Base64 & Hex | Natas: OverTheWire (Level 8)
John Hammond Intermediate 7y ago
Python Web Hacking: Local File Inclusion | Natas: OverTheWire (Level 7)
Cybersecurity
Python Web Hacking: Local File Inclusion | Natas: OverTheWire (Level 7)
John Hammond Intermediate 7y ago
Python Web Hacking: PHP Includes | Natas: OverTheWire (Level 6)
Cybersecurity
Python Web Hacking: PHP Includes | Natas: OverTheWire (Level 6)
John Hammond Intermediate 7y ago
Python Web Hacking: HTTP Headers & Cookies | Natas: OverTheWire (Levels 4-5)
Cybersecurity
Python Web Hacking: HTTP Headers & Cookies | Natas: OverTheWire (Levels 4-5)
John Hammond Intermediate 7y ago
Python Web Hacking: robots.txt & Directory Indexing | Natas: OverTheWire (Levels 2-3)
Cybersecurity
Python Web Hacking: robots.txt & Directory Indexing | Natas: OverTheWire (Levels 2-3)
John Hammond Intermediate 7y ago
Python Web Hacking: View Source | Natas: OverTheWire (Levels 0-1)
Cybersecurity
Python Web Hacking: View Source | Natas: OverTheWire (Levels 0-1)
John Hammond Intermediate 7y ago
C++ TicTacToe Game [1] Programming The Grid
Cybersecurity
C++ TicTacToe Game [1] Programming The Grid
John Hammond Intermediate 7y ago
Linux Hacking: Brute-Force Loop | Leviathan: OverTheWire (Levels 5-6) FINALE
Cybersecurity
Linux Hacking: Brute-Force Loop | Leviathan: OverTheWire (Levels 5-6) FINALE
John Hammond Intermediate 7y ago
Linux Hacking: Binary & Hex | Leviathan: OverTheWire (Levels 3-4)
Cybersecurity
Linux Hacking: Binary & Hex | Leviathan: OverTheWire (Levels 3-4)
John Hammond Intermediate 7y ago
Linux Hacking: Symbolic Links | Leviathan: OverTheWire (Level 2)
Cybersecurity
Linux Hacking: Symbolic Links | Leviathan: OverTheWire (Level 2)
John Hammond Intermediate 7y ago
Linux Hacking: strings & ltrace: Leviathan: OverTheWire (Levels 0-1)
Cybersecurity
Linux Hacking: strings & ltrace: Leviathan: OverTheWire (Levels 0-1)
John Hammond Intermediate 7y ago
Linux Hacking: CTF Jail Escaping (More) | Bandit: OverTheWire (Level 25) FINALE
Cybersecurity
Linux Hacking: CTF Jail Escaping (More) | Bandit: OverTheWire (Level 25) FINALE
John Hammond Intermediate 7y ago
Linux Hacking: Bruteforce For Loop | Bandit: OverTheWire (Level 24)
Cybersecurity
Linux Hacking: Bruteforce For Loop | Bandit: OverTheWire (Level 24)
John Hammond Intermediate 7y ago
Linux Hacking: Shebang & Scripting | Bandit: OverTheWire (Level 23)
Cybersecurity
Linux Hacking: Shebang & Scripting | Bandit: OverTheWire (Level 23)
John Hammond Intermediate 7y ago
Linux Hacking: SETUID Binary, Netcat & Cron | Bandit: OverTheWire (Levels 19-22)
Cybersecurity
Linux Hacking: SETUID Binary, Netcat & Cron | Bandit: OverTheWire (Levels 19-22)
John Hammond Intermediate 7y ago
Linux Hacking: SSL, NMap Portscans & Diff | Bandit: OverTheWire (Levels 15-18)
Cybersecurity
Linux Hacking: SSL, NMap Portscans & Diff | Bandit: OverTheWire (Levels 15-18)
John Hammond Intermediate 7y ago
Linux Hacking: ROT13, Hexdump, SSH Private Keys | Bandit: OverTheWire (Levels  11-14)
Cybersecurity
Linux Hacking: ROT13, Hexdump, SSH Private Keys | Bandit: OverTheWire (Levels 11-14)
John Hammond Intermediate 7y ago
Unicode ZERO WIDTH Spaces to HIDE SECRET MESSAGES (MITRE CTF)
Cybersecurity
Unicode ZERO WIDTH Spaces to HIDE SECRET MESSAGES (MITRE CTF)
John Hammond Intermediate 7y ago
Linux Hacking: GREP & Base64 | Bandit: OverTheWire (Levels 7-10)
Cybersecurity
Linux Hacking: GREP & Base64 | Bandit: OverTheWire (Levels 7-10)
John Hammond Intermediate 7y ago
Linux Hacking: Hidden Files & File Ownership | Bandit: OverTheWire (Levels 4-6)
Cybersecurity
Linux Hacking: Hidden Files & File Ownership | Bandit: OverTheWire (Levels 4-6)
John Hammond Intermediate 7y ago
Linux Hacking: SSHPass & File Spaces | Bandit: OverTheWire (Levels 1-3)
Cybersecurity
Linux Hacking: SSHPass & File Spaces | Bandit: OverTheWire (Levels 1-3)
John Hammond Intermediate 7y ago
Linux Offsec Club 5/5 - Video Walkthrough (Levels 13-15)
Cybersecurity
Linux Offsec Club 5/5 - Video Walkthrough (Levels 13-15)
John Hammond Intermediate 7y ago
Linux Offsec Club 4/5 - Video Walkthrough (Levels 10-12)
Cybersecurity
Linux Offsec Club 4/5 - Video Walkthrough (Levels 10-12)
John Hammond Intermediate 7y ago
Linux Offsec Club 3/5 - Video Walkthrough (Levels 7-9)
Cybersecurity
Linux Offsec Club 3/5 - Video Walkthrough (Levels 7-9)
John Hammond Intermediate 7y ago
Linux Offsec Club 2/5 - Video Walkthrough (Levels 4-6)
Cybersecurity
Linux Offsec Club 2/5 - Video Walkthrough (Levels 4-6)
John Hammond Intermediate 7y ago
Linux Offsec Club 1/5 - Video Walkthrough (Levels 1-3)
Cybersecurity
Linux Offsec Club 1/5 - Video Walkthrough (Levels 1-3)
John Hammond Intermediate 7y ago
Python "netcat" Server CTF Challenge - ABYSS
Cybersecurity
Python "netcat" Server CTF Challenge - ABYSS
John Hammond Intermediate 8y ago
PowerShell on LINUX! Installation Video
Cybersecurity
PowerShell on LINUX! Installation Video
John Hammond Intermediate 8y ago
📚 Coursera Courses Opens on Coursera · Free to audit
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Cybersecurity Awareness
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Self-paced
Cybersecurity Awareness
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Cybersecurity Job Search, Resume, and Interview Prep
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Self-paced
Cybersecurity Job Search, Resume, and Interview Prep
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Incident Response Frameworks
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Self-paced
Incident Response Frameworks
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CompTIA Security+ 701
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Self-paced
CompTIA Security+ 701
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Governance and Strategy
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Self-paced
Governance and Strategy
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Security Services in AWS
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Self-paced
Security Services in AWS
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