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🔐 Cybersecurity

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

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quipqiup & Python for Substitution Ciphers (PicoCTF 2022 #24 'substitution0')
🔐 Cybersecurity
quipqiup & Python for Substitution Ciphers (PicoCTF 2022 #24 'substitution0')
John Hammond Beginner 3y ago
Modifying Python Code (PicoCTF 2022 #18 'patchme.py')
🔐 Cybersecurity
Modifying Python Code (PicoCTF 2022 #18 'patchme.py')
John Hammond Beginner 3y ago
Linux "grep" Command (PicoCTF 2022 #15 'lookey-here')
🔐 Cybersecurity
Linux "grep" Command (PicoCTF 2022 #15 'lookey-here')
John Hammond Beginner 3y ago
RAILFENCE Cipher (PicoCTF 2022 #19 'rail-fence')
🔐 Cybersecurity
RAILFENCE Cipher (PicoCTF 2022 #19 'rail-fence')
John Hammond Beginner 3y ago
Filesystem Partition Properties (PicoCTF #23 'sleuthkit-intro')
🔐 Cybersecurity
Filesystem Partition Properties (PicoCTF #23 'sleuthkit-intro')
John Hammond Beginner 3y ago
Redacted Text in PDFs (PicoCTF 2022 #20 'redaction-gone-wrong')
🔐 Cybersecurity
Redacted Text in PDFs (PicoCTF 2022 #20 'redaction-gone-wrong')
John Hammond Beginner 3y ago
Passwords in Client-Side JavaScript (PicoCTF 2022 #14 'local-authority')
🔐 Cybersecurity
Passwords in Client-Side JavaScript (PicoCTF 2022 #14 'local-authority')
John Hammond Beginner 3y ago
Intro to Debugging w/ GDB (PicoCTF 2022 #11 'gdb-test-drive')
🔐 Cybersecurity
Intro to Debugging w/ GDB (PicoCTF 2022 #11 'gdb-test-drive')
John Hammond Beginner 3y ago
Intro to Wireshark (PicoCTF 2022 #17 'packets-primer')
🔐 Cybersecurity
Intro to Wireshark (PicoCTF 2022 #17 'packets-primer')
John Hammond Beginner 3y ago
Search Across Web Elements (PicoCTF #22 'search-source')
🔐 Cybersecurity
Search Across Web Elements (PicoCTF #22 'search-source')
John Hammond Beginner 3y ago
HTML, CSS & JavaScript (PicoCTF 2022 #12 'includes')
🔐 Cybersecurity
HTML, CSS & JavaScript (PicoCTF 2022 #12 'includes')
John Hammond Beginner 3y ago
NahamCon CTF 2022 is THIS THURSDAY
🔐 Cybersecurity
NahamCon CTF 2022 is THIS THURSDAY
John Hammond Beginner 3y ago
Obscure File Types & Compression (PicoCTF 2022 #10 'file-types')
🔐 Cybersecurity
Obscure File Types & Compression (PicoCTF 2022 #10 'file-types')
John Hammond Beginner 3y ago
Punctuation on the Command-Line! (PicoCTF 2022 #09 file-run2)
🔐 Cybersecurity
Punctuation on the Command-Line! (PicoCTF 2022 #09 file-run2)
John Hammond Beginner 3y ago
Hacking WEB APPS: XSS, RCE & Prototype Pollution / 7ASecurity
🔐 Cybersecurity
Hacking WEB APPS: XSS, RCE & Prototype Pollution / 7ASecurity
John Hammond Beginner 3y ago
WRITE BASH SCRIPTS for CTF Solutions (PicoCTF 08 'file-run1')
🔐 Cybersecurity
WRITE BASH SCRIPTS for CTF Solutions (PicoCTF 08 'file-run1')
John Hammond Beginner 3y ago
Zero-Day Vulnerabilities in CosmWasm Smart Contracts
🔐 Cybersecurity
Zero-Day Vulnerabilities in CosmWasm Smart Contracts
John Hammond Beginner 3y ago
SVG Internals (PicoCTF 2022 #07 enhance)
🔐 Cybersecurity
SVG Internals (PicoCTF 2022 #07 enhance)
John Hammond Beginner 3y ago
PrintNightmare CVE (PicoCTF 2022 #06)
🔐 Cybersecurity
PrintNightmare CVE (PicoCTF 2022 #06)
John Hammond Beginner 3y ago
GETTING INTO CYBERSECURITY #shorts
🔐 Cybersecurity
GETTING INTO CYBERSECURITY #shorts
John Hammond Beginner 3y ago
ROT13 Caesar Cipher (PicoCTF 2022 #05 credstuff)
🔐 Cybersecurity
ROT13 Caesar Cipher (PicoCTF 2022 #05 credstuff)
John Hammond Beginner 3y ago
DANGEROUS C Functions gets & strcpy (PicoCTF 2022 #04 buffer-overflow0)
🔐 Cybersecurity
DANGEROUS C Functions gets & strcpy (PicoCTF 2022 #04 buffer-overflow0)
John Hammond Beginner 3y ago
Modular Inverses in Python 3 (PicoCTF 2022 #03 basic-mod2)
🔐 Cybersecurity
Modular Inverses in Python 3 (PicoCTF 2022 #03 basic-mod2)
John Hammond Beginner 3y ago
Ransomware Attacks #shorts
🔐 Cybersecurity
Ransomware Attacks #shorts
John Hammond Beginner 3y ago
Python Scripting Modular Arithmetic - PicoCTF 2022 #02 basic-mod1
🔐 Cybersecurity
Python Scripting Modular Arithmetic - PicoCTF 2022 #02 basic-mod1
John Hammond Beginner 3y ago
PicoCTF 2022 #01 - WELCOME & Basic File Exploit
🔐 Cybersecurity
PicoCTF 2022 #01 - WELCOME & Basic File Exploit
John Hammond Beginner 4y ago
Hacking MOBILE APPS: iOS & Android w/ 7ASecurity
🔐 Cybersecurity
Hacking MOBILE APPS: iOS & Android w/ 7ASecurity
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 009: Fail2ban Configuration
🔐 Cybersecurity
SANS Holiday Hack Challenge 009: Fail2ban Configuration
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 008: Finish Objective7
🔐 Cybersecurity
SANS Holiday Hack Challenge 008: Finish Objective7
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 007: Hash Extension Part1
🔐 Cybersecurity
SANS Holiday Hack Challenge 007: Hash Extension Part1
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 006: Shellcode Primer
🔐 Cybersecurity
SANS Holiday Hack Challenge 006: Shellcode Primer
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 005: JavaScript Hacking
🔐 Cybersecurity
SANS Holiday Hack Challenge 005: JavaScript Hacking
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 004: IPv6 and Rubber Duckies
🔐 Cybersecurity
SANS Holiday Hack Challenge 004: IPv6 and Rubber Duckies
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 003: Logic
🔐 Cybersecurity
SANS Holiday Hack Challenge 003: Logic
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge 002: Exiftool and OSINT
🔐 Cybersecurity
SANS Holiday Hack Challenge 002: Exiftool and OSINT
John Hammond Beginner 4y ago
SANS Holiday Hack Challenge: Intro and Grepping for Gold
🔐 Cybersecurity
SANS Holiday Hack Challenge: Intro and Grepping for Gold
John Hammond Beginner 4y ago
Career Conversations with seclilc - Offensive Cybersecurity!
🔐 Cybersecurity
Career Conversations with seclilc - Offensive Cybersecurity!
John Hammond Beginner 4y ago
Hard Truths & Unexpected Realities: Cybersecurity Lamentations
🔐 Cybersecurity
Hard Truths & Unexpected Realities: Cybersecurity Lamentations
John Hammond Beginner 4y ago
Bruteforcing MFA & Fail2ban Manipulation - TryHackMe! (Biteme)
🔐 Cybersecurity
Bruteforcing MFA & Fail2ban Manipulation - TryHackMe! (Biteme)
John Hammond Beginner 4y ago
"Prevention First": An Approach to Cybersecurity w/ Minerva Labs!
🔐 Cybersecurity
"Prevention First": An Approach to Cybersecurity w/ Minerva Labs!
John Hammond Beginner 4y ago
Introducing PurplePanda: AUTOMATED Privilege Escalation IN THE CLOUD
🔐 Cybersecurity
Introducing PurplePanda: AUTOMATED Privilege Escalation IN THE CLOUD
John Hammond Beginner 4y ago
Hacking ELECTRON: JavaScript Desktop Applications w/ 7aSecurity
🔐 Cybersecurity
Hacking ELECTRON: JavaScript Desktop Applications w/ 7aSecurity
John Hammond Beginner 4y ago
Uncovering NETWIRE Malware - Discovery & Deobfuscation
🔐 Cybersecurity
Uncovering NETWIRE Malware - Discovery & Deobfuscation
John Hammond Beginner 4y ago
SQLi, SSTI & Docker Escapes / Mounted Folders - HackTheBox University CTF "GoodGame"
🔐 Cybersecurity
SQLi, SSTI & Docker Escapes / Mounted Folders - HackTheBox University CTF "GoodGame"
John Hammond Beginner 4y ago
ZipSlip w/ TAR & Server-Side Template Injection - HackTheBox University CTF - "Slippy"
🔐 Cybersecurity
ZipSlip w/ TAR & Server-Side Template Injection - HackTheBox University CTF - "Slippy"
John Hammond Beginner 4y ago
TryHackMe! Advent of Cyber - 2021 KICKOFF: 25 Days of Learning CYBERSECURITY
🔐 Cybersecurity
TryHackMe! Advent of Cyber - 2021 KICKOFF: 25 Days of Learning CYBERSECURITY
John Hammond Beginner 4y ago
COBALT STRIKE Forensics: PCAP & Memdump - "Strike Back" HackTheBox University CTF 2021
🔐 Cybersecurity
COBALT STRIKE Forensics: PCAP & Memdump - "Strike Back" HackTheBox University CTF 2021
John Hammond Beginner 4y ago
SnykCon CTF - Sauerkraut - Python Pickle Vulnerabilities
🔐 Cybersecurity
SnykCon CTF - Sauerkraut - Python Pickle Vulnerabilities
John Hammond Beginner 4y ago
📚 Coursera Courses Opens on Coursera · Free to audit
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Data Center Security Management with Microsoft System Center
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Self-paced
Data Center Security Management with Microsoft System Center
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Wireshark 101: Packet Analysis Essentials
📚 Coursera Course ↗
Self-paced
Wireshark 101: Packet Analysis Essentials
Opens on Coursera ↗
Wireshark for Security: Detect Network Anomalies
📚 Coursera Course ↗
Self-paced
Wireshark for Security: Detect Network Anomalies
Opens on Coursera ↗
Microsoft Unified XDR and SIEM Solution Handbook
📚 Coursera Course ↗
Self-paced
Microsoft Unified XDR and SIEM Solution Handbook
Opens on Coursera ↗
Reporting and Advanced Practices
📚 Coursera Course ↗
Self-paced
Reporting and Advanced Practices
Opens on Coursera ↗
Security Operations
📚 Coursera Course ↗
Self-paced
Security Operations
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