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🔐 Cybersecurity

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

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Audio Spectrogram & StegCracker Passwords - DownUnderCTF
Cybersecurity
Audio Spectrogram & StegCracker Passwords - DownUnderCTF
John Hammond Intermediate 5y ago
Pwntools ROP Binary Exploitation - DownUnderCTF
Cybersecurity
Pwntools ROP Binary Exploitation - DownUnderCTF
John Hammond Intermediate 5y ago
Stopping DNS "ANY" Queries - DownUnderCTF
Cybersecurity
Stopping DNS "ANY" Queries - DownUnderCTF
John Hammond Beginner 5y ago
Instagram & Twitter OSINT - DownUnderCTF
Cybersecurity
Instagram & Twitter OSINT - DownUnderCTF
John Hammond Intermediate 5y ago
Hosting BsidesBOS CTF - SEPTEMBER 26
Cybersecurity
Hosting BsidesBOS CTF - SEPTEMBER 26
John Hammond Intermediate 5y ago
TryHackMe GAMING SERVER - LXD Privilege Escalation
Cybersecurity
TryHackMe GAMING SERVER - LXD Privilege Escalation
John Hammond Intermediate 5y ago
Google CTF - BEGINNER Reverse Engineering w/ ANGR
Cybersecurity
Google CTF - BEGINNER Reverse Engineering w/ ANGR
John Hammond Beginner 5y ago
HacktivityCon CTF is in TWO DAYS!
Cybersecurity
HacktivityCon CTF is in TWO DAYS!
John Hammond Beginner 5y ago
Capture the Flag? Change Your Life
Cybersecurity
Capture the Flag? Change Your Life
John Hammond Intermediate 5y ago
Introducing Pwncat: Automating Linux Red Team Operations
Cybersecurity
Introducing Pwncat: Automating Linux Red Team Operations
John Hammond Beginner 5y ago
NahamCon CTF starts TOMORROW!
Cybersecurity
NahamCon CTF starts TOMORROW!
John Hammond Beginner 5y ago
Running CTFs with Docker (VirSecCon CTF Recap)
Cybersecurity
Running CTFs with Docker (VirSecCon CTF Recap)
John Hammond Intermediate 5y ago
TryHackMe! Buffer Overflow & Penetration Testing
Cybersecurity
TryHackMe! Buffer Overflow & Penetration Testing
John Hammond Intermediate 5y ago
TryHackMe! Wget for Privilege Escalation
Cybersecurity
TryHackMe! Wget for Privilege Escalation
John Hammond Intermediate 5y ago
HackPack CTF - Forging Python Flask Session Cookies
Cybersecurity
HackPack CTF - Forging Python Flask Session Cookies
John Hammond Intermediate 5y ago
TryHackMe! KENOBI - Linux Pentest: Samba Shares
Cybersecurity
TryHackMe! KENOBI - Linux Pentest: Samba Shares
John Hammond Intermediate 5y ago
TryHackMe! EternalBlue/MS17-010 in Metasploit
Cybersecurity
TryHackMe! EternalBlue/MS17-010 in Metasploit
John Hammond Intermediate 6y ago
Docker - PRIVILEGE ESCALATION Technique
Cybersecurity
Docker - PRIVILEGE ESCALATION Technique
John Hammond Intermediate 6y ago
KING OF THE HILL - BsidesNoVA CTF 1ST PLACE
Cybersecurity
KING OF THE HILL - BsidesNoVA CTF 1ST PLACE
John Hammond Intermediate 6y ago
TryHackMe! Basic Penetration Testing
Cybersecurity
TryHackMe! Basic Penetration Testing
John Hammond Intermediate 6y ago
Installing Katana - Automatic CTF Solver
Cybersecurity
Installing Katana - Automatic CTF Solver
John Hammond Intermediate 6y ago
Beginner Malware Analysis Course - GIVEAWAY
Cybersecurity
Beginner Malware Analysis Course - GIVEAWAY
John Hammond Beginner 6y ago
ALL NEW OSCP - REVAMPED 2020
Cybersecurity
ALL NEW OSCP - REVAMPED 2020
John Hammond Intermediate 6y ago
RiceTeaCatPanda CTF - Wrong Way, Lots of Stuff
Cybersecurity
RiceTeaCatPanda CTF - Wrong Way, Lots of Stuff
John Hammond Intermediate 6y ago
Recognizing Base85 - RiceTeaCatPanda CTF
Cybersecurity
Recognizing Base85 - RiceTeaCatPanda CTF
John Hammond Intermediate 6y ago
Hosting My Own CTF - BsidesDE 2019
Cybersecurity
Hosting My Own CTF - BsidesDE 2019
John Hammond Intermediate 6y ago
A Poor Man's Pentest: Automating the Manual - BsidesDE 2019
Cybersecurity
A Poor Man's Pentest: Automating the Manual - BsidesDE 2019
John Hammond Intermediate 6y ago
PicoCTF 2019 [02] Inspector (HTML, CSS, JavaScript)
Cybersecurity
PicoCTF 2019 [02] Inspector (HTML, CSS, JavaScript)
John Hammond Intermediate 6y ago
OSCP - Taking Notes & Resources
Cybersecurity
OSCP - Taking Notes & Resources
John Hammond Intermediate 6y ago
BCACTF "For the NIght is Dark" (with SInisterMatrix!)
Cybersecurity
BCACTF "For the NIght is Dark" (with SInisterMatrix!)
John Hammond Intermediate 6y ago
100% OSCP: Offensive Security Certified Professional
Cybersecurity
100% OSCP: Offensive Security Certified Professional
John Hammond Intermediate 6y ago
BCACTF - Bruteforcing "Basic Pass" (with SinisterMatrix!)
Cybersecurity
BCACTF - Bruteforcing "Basic Pass" (with SinisterMatrix!)
John Hammond Intermediate 6y ago
BCACTF - LISP "Thspeaking" (with SinisterMatrix!)
Cybersecurity
BCACTF - LISP "Thspeaking" (with SinisterMatrix!)
John Hammond Intermediate 6y ago
HACKERS REACT: Bad Hollywood Hacking Scenes
Cybersecurity
HACKERS REACT: Bad Hollywood Hacking Scenes
John Hammond Intermediate 6y ago
MITRE CTF 2019 HIGHLIGHTS
Cybersecurity
MITRE CTF 2019 HIGHLIGHTS
John Hammond Intermediate 6y ago
HSCTF - RSA Cryptography (Reverse Search Algorithm)
Cybersecurity
HSCTF - RSA Cryptography (Reverse Search Algorithm)
John Hammond Intermediate 6y ago
HSCTF - Hidden UTF-8 Encoding (Real Reversal)
Cybersecurity
HSCTF - Hidden UTF-8 Encoding (Real Reversal)
John Hammond Intermediate 6y ago
HSCTF - Obfuscated JavaScript (JSF**k) [Verbose]
Cybersecurity
HSCTF - Obfuscated JavaScript (JSF**k) [Verbose]
John Hammond Intermediate 6y ago
Crypto: Classic RSA with a Twist (ParsonsCTF)
Cybersecurity
Crypto: Classic RSA with a Twist (ParsonsCTF)
John Hammond Intermediate 6y ago
Facebook CTF - SQL Injection with Spaces (Products Manager)
Cybersecurity
Facebook CTF - SQL Injection with Spaces (Products Manager)
John Hammond Intermediate 6y ago
SunshineCTF 2019: Wrestler Book (Explicit SQL Injection)
Cybersecurity
SunshineCTF 2019: Wrestler Book (Explicit SQL Injection)
John Hammond Intermediate 7y ago
SunshineCTF 2019: WelcomeCrypto [ROT47]
Cybersecurity
SunshineCTF 2019: WelcomeCrypto [ROT47]
John Hammond Intermediate 7y ago
b00t2root19 CTF: EasyPHP [PHP Web Exploits]
Cybersecurity
b00t2root19 CTF: EasyPHP [PHP Web Exploits]
John Hammond Beginner 7y ago
b00t2root19 CTF: Loopback [PCAP Forensics]
Cybersecurity
b00t2root19 CTF: Loopback [PCAP Forensics]
John Hammond Intermediate 7y ago
b00t2root19 CTF: Treasure [GameBoy ROMs]
Cybersecurity
b00t2root19 CTF: Treasure [GameBoy ROMs]
John Hammond Intermediate 7y ago
b00t2root19 CTF: Can You Read Me [Esoteric Languages]
Cybersecurity
b00t2root19 CTF: Can You Read Me [Esoteric Languages]
John Hammond Intermediate 7y ago
b00t2root19 CTF: Genetics [DNA Cryptography]
Cybersecurity
b00t2root19 CTF: Genetics [DNA Cryptography]
John Hammond Intermediate 7y ago
b00t2root19 CTF: Scatter Me [3D Scatter Plots]
Cybersecurity
b00t2root19 CTF: Scatter Me [3D Scatter Plots]
John Hammond Intermediate 7y ago
📚 Coursera Courses Opens on Coursera · Free to audit
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Mastering Endpoint Security & Threat Defense
📚 Coursera Course ↗
Self-paced
Mastering Endpoint Security & Threat Defense
Opens on Coursera ↗
Block Cipher Modes of Operation Training
📚 Coursera Course ↗
Self-paced
Block Cipher Modes of Operation Training
Opens on Coursera ↗
Implementing a Risk Management Framework
📚 Coursera Course ↗
Self-paced
Implementing a Risk Management Framework
Opens on Coursera ↗
Cybersecurity with Python: Beginner to Advanced
📚 Coursera Course ↗
Self-paced
Cybersecurity with Python: Beginner to Advanced
Opens on Coursera ↗
Cryptography, Network Security, and Application Security
📚 Coursera Course ↗
Self-paced
Cryptography, Network Security, and Application Security
Opens on Coursera ↗
Digital Marketing Trends
📚 Coursera Course ↗
Self-paced
Digital Marketing Trends
Opens on Coursera ↗