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🔐 Cybersecurity

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

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Git/Linux Hacking | Bandit: OverTheWire (Level 32)
Cybersecurity
Git/Linux Hacking | Bandit: OverTheWire (Level 32)
John Hammond Intermediate 7y ago
Git/Linux Hacking | Bandit: OverTheWire (Level 31)
Cybersecurity
Git/Linux Hacking | Bandit: OverTheWire (Level 31)
John Hammond Intermediate 7y ago
Git/Linux Hacking | Bandit: OverTheWire (Level 30)
Cybersecurity
Git/Linux Hacking | Bandit: OverTheWire (Level 30)
John Hammond Intermediate 7y ago
PicoCTF 2017 [17] Hash101
Cybersecurity
PicoCTF 2017 [17] Hash101
John Hammond Beginner 7y ago
Git/Linux Hacking | Bandit: OverTheWire (Level 29)
Cybersecurity
Git/Linux Hacking | Bandit: OverTheWire (Level 29)
John Hammond Intermediate 7y ago
NEW LEVELS [Git Hacking] Bandit: OverTheWire (Levels 26-28)
Cybersecurity
NEW LEVELS [Git Hacking] Bandit: OverTheWire (Levels 26-28)
John Hammond Intermediate 7y ago
Learning Cryptography: PicoCTF 2017 [16] Substitution
Cybersecurity
Learning Cryptography: PicoCTF 2017 [16] Substitution
John Hammond Beginner 7y ago
PicoCTF 2017 [15] Raw2Hex
Cybersecurity
PicoCTF 2017 [15] Raw2Hex
John Hammond Intermediate 7y ago
Python Flask WebDev [04] Static Files
Cybersecurity
Python Flask WebDev [04] Static Files
John Hammond Intermediate 7y ago
Jinja2 Templates | Python Flask WebDev [03]
Cybersecurity
Jinja2 Templates | Python Flask WebDev [03]
John Hammond Intermediate 7y ago
PicoCTF 2017 [14] Hex2Raw
Cybersecurity
PicoCTF 2017 [14] Hex2Raw
John Hammond Intermediate 7y ago
PicoCTF 2017 [22] Digital Camouflage
Cybersecurity
PicoCTF 2017 [22] Digital Camouflage
John Hammond Intermediate 7y ago
PicoCTF 2017 [21] Just No
Cybersecurity
PicoCTF 2017 [21] Just No
John Hammond Intermediate 7y ago
PicoCTF 2017 [24] MASTER CHALLENGE Level 1
Cybersecurity
PicoCTF 2017 [24] MASTER CHALLENGE Level 1
John Hammond Intermediate 7y ago
PicoCTF 2017 [19] computeRSA
Cybersecurity
PicoCTF 2017 [19] computeRSA
John Hammond Intermediate 7y ago
PicoCTF 2017 [20] Bash Loop
Cybersecurity
PicoCTF 2017 [20] Bash Loop
John Hammond Intermediate 7y ago
PicoCTF 2017 [27] Meta Find Me
Cybersecurity
PicoCTF 2017 [27] Meta Find Me
John Hammond Intermediate 7y ago
PicoCTF 2017 [28] Little School Bus
Cybersecurity
PicoCTF 2017 [28] Little School Bus
John Hammond Intermediate 7y ago
PicoCTF 2017 [25] Yarn
Cybersecurity
PicoCTF 2017 [25] Yarn
John Hammond Intermediate 7y ago
PicoCTF 2017 [26] Mystery Box
Cybersecurity
PicoCTF 2017 [26] Mystery Box
John Hammond Intermediate 7y ago
PicoCTF 2017 [13] What is Web (HTML, CSS, & JS)
Cybersecurity
PicoCTF 2017 [13] What is Web (HTML, CSS, & JS)
John Hammond Beginner 7y ago
Python Flask WebDev [02] URL Routing
Cybersecurity
Python Flask WebDev [02] URL Routing
John Hammond Intermediate 7y ago
PicoCTF 2017 [12] WorldChat (GREP & cut)
Cybersecurity
PicoCTF 2017 [12] WorldChat (GREP & cut)
John Hammond Intermediate 7y ago
Python Flask WebDev [01] Installing & Introduction
Cybersecurity
Python Flask WebDev [01] Installing & Introduction
John Hammond Beginner 7y ago
PicoCTF 2017 [11] Writing a GetFlag Script in BASH
Cybersecurity
PicoCTF 2017 [11] Writing a GetFlag Script in BASH
John Hammond Intermediate 7y ago
Capture the Flag: PicoCTF 2017 [10] Leaf of the Forest
Cybersecurity
Capture the Flag: PicoCTF 2017 [10] Leaf of the Forest
John Hammond Intermediate 7y ago
Getting Started in CTF: PicoCTF 2017 [09] keyz (SSH)
Cybersecurity
Getting Started in CTF: PicoCTF 2017 [09] keyz (SSH)
John Hammond Beginner 7y ago
Learning CTF: PicoCTF 2017 [08] Loooong (Python Strings)
Cybersecurity
Learning CTF: PicoCTF 2017 [08] Loooong (Python Strings)
John Hammond Beginner 7y ago
PicoCTF 2017 [07] Getting a Linux VM
Cybersecurity
PicoCTF 2017 [07] Getting a Linux VM
John Hammond Intermediate 7y ago
How to Play CTF: PicoCTF 2017 [06| Leaf of the Tree
Cybersecurity
How to Play CTF: PicoCTF 2017 [06| Leaf of the Tree
John Hammond Intermediate 7y ago
CTF for Beginners: PicoCTF [05] Piazza (IRC & Help)
Cybersecurity
CTF for Beginners: PicoCTF [05] Piazza (IRC & Help)
John Hammond Beginner 7y ago
Beginner's Guide to CTF: PicoCTF [04] | Internet Kitties (Netcat)
Cybersecurity
Beginner's Guide to CTF: PicoCTF [04] | Internet Kitties (Netcat)
John Hammond Beginner 7y ago
SQL SELECT Tricks & Truncation: Python Web Hacking | Natas: OverTheWire (Level 27)
Cybersecurity
SQL SELECT Tricks & Truncation: Python Web Hacking | Natas: OverTheWire (Level 27)
John Hammond Intermediate 7y ago
PHP Object Injection & Serialization: Python Web Hacking | Natas: OverTheWire (Level 26)
Cybersecurity
PHP Object Injection & Serialization: Python Web Hacking | Natas: OverTheWire (Level 26)
John Hammond Intermediate 7y ago
Splitting Video into Frames: FFmpeg (Homemade CTF)
Cybersecurity
Splitting Video into Frames: FFmpeg (Homemade CTF)
John Hammond Intermediate 7y ago
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
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Intro to Secure Coding and Input Validation in Android
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Intro to Secure Coding and Input Validation in Android
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Workplace Harassment Prevention Training for Managers
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Self-paced
Workplace Harassment Prevention Training for Managers
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Business English: Finance and Economics
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Self-paced
Business English: Finance and Economics
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Deception As a Defense
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Self-paced
Deception As a Defense
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Network Systems Foundations
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Self-paced
Network Systems Foundations
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Cybersecurity Solutions and Microsoft Defender
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Cybersecurity Solutions and Microsoft Defender
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