🔐 Cybersecurity

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

🔐 Cybersecurity

SnykCon CTF - "Random Flag Generator" Weak PRNG Seed

John Hammond Intermediate 4y ago

🔐 Cybersecurity

SnykCon CTF - "Invisible Ink" Prototype Pollution

John Hammond Intermediate 4y ago

🔐 Cybersecurity

Snip3 Crypter/RAT Loader - DcRat MALWARE ANALYSIS

John Hammond Beginner 4y ago

🔐 Cybersecurity

VOD - TryHackMe! Attacking Kerberos

John Hammond Intermediate 4y ago

🔐 Cybersecurity

VOD - TryHackMe! Game Zone - Recreating a Metasploit Exploit in Python

John Hammond Intermediate 4y ago

🔐 Cybersecurity

VOD - TryHackMe! Steel Mountain with Metasploit

John Hammond Intermediate 4y ago

🔐 Cybersecurity

KOVTER Malware Analysis - Fileless Persistence in Registry

John Hammond Beginner 4y ago

🔐 Cybersecurity

AES-CFB Cryptography Mistakes - HackTheBox Business CTF "Domain Controller"

John Hammond Beginner 4y ago

🔐 Cybersecurity

XLM Macros & Unhiding Excel Worksheets - HackTheBox Biz CTF "OldSchool"

John Hammond Intermediate 4y ago

🔐 Cybersecurity

BAD RANSOMWARE - HackTheBox Business CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

Reverse Engineering Loops - "Syncopation" HackTheBox Business CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

Laravel CVE / PHP Deserialization - "Larablog" HTB Business CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

JSON Web Keys (JWK & JWT) - "Emergency" - HackTheBox Business CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

GraphQL Introspection - HackTheBox "Business CTF" - NoteQL

John Hammond Beginner 4y ago

🔐 Cybersecurity

HackTheBox "Business CTF" - Time - Command Injection

John Hammond Intermediate 4y ago

🔐 Cybersecurity

HackTheBox "Business CTF" - discordvm - Node.js Sandbox Escape

John Hammond Intermediate 4y ago

🔐 Cybersecurity

JScript Deobfuscation - More WSHRAT (Malware Analysis)

John Hammond Intermediate 4y ago

🔐 Cybersecurity

Information Stealer - Malware Analysis (PowerShell to .NET)

John Hammond Beginner 4y ago

🔐 Cybersecurity

AES-CTR Cryptography: Reused Key Weakness - HackTheBox Cyber Apocalypse CTF

John Hammond Beginner 4y ago

🔐 Cybersecurity

PowerPoint Phishing Malware Analysis - HackTheBox Cyber Apocalypse CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

Phishing Document "Invitation" - HackTheBox Cyber Apocalypse CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

Nodejs Nunjucks Template Injection - HackTheBox Cyber Apocalypse CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

Cloudflare CDN CSP - XSS Bypass / HackTheBox Cyber Apocalypse CTF

John Hammond Beginner 4y ago

🔐 Cybersecurity

IFrame Parent XSS - HackTheBox Cyber Apocalypse CTF

John Hammond Beginner 4y ago

🔐 Cybersecurity

Blind MongoDB NoSQL Injection - HackTheBox Cyber Apocalypse CTF

John Hammond Intermediate 4y ago

🔐 Cybersecurity

HackTheBox CA CTF - Using Snyk to Find & Fix Vulnerabilities

John Hammond Beginner 4y ago

🔐 Cybersecurity

XML Object Exfiltration - HackTheBox Cyber Apocalypse CTF "E. Tree"

John Hammond Beginner 4y ago

🔐 Cybersecurity

SQLite Blind SQL Injection - HackTheBox Cyber Apocalypse CTF

John Hammond Beginner 4y ago

🔐 Cybersecurity

HTB Cyber Apocalypse - cURL As a Service

John Hammond Beginner 4y ago

🔐 Cybersecurity

HTA JScript to PowerShell - Novter Malware Analysis

John Hammond Intermediate 4y ago

🔐 Cybersecurity

TryHackMe - OSCP Voucher GIVEAWAY & Presentation

John Hammond Intermediate 4y ago

🔐 Cybersecurity

BEGINNER Capture The Flag - PicoCTF 2021 001 "Obedient Cat"

John Hammond Beginner 4y ago

🔐 Cybersecurity

$2 MILLION DOLLARS STOLEN in Bitcoin/Ethereum - JScript Malware Analysis

John Hammond Intermediate 4y ago

🔐 Cybersecurity

GuidePoint Security CTF - Custom Base64 Languages - Kirby & Alphabet

John Hammond Beginner 5y ago

🔐 Cybersecurity

FAKE Antivirus? Malware Analysis of Decoy 'kaspersky.exe'

John Hammond Intermediate 5y ago

🔐 Cybersecurity

NahamCon is COMING BACK!

John Hammond Intermediate 5y ago

🔐 Cybersecurity

Is THIS a VIRUS? Finding a Remcos RAT - Malware Analysis

John Hammond Intermediate 5y ago

🔐 Cybersecurity

MALWARE ANALYSIS - VBScript Decoding & Deobfuscating

John Hammond Intermediate 5y ago

🔐 Cybersecurity

TryHackMe! Skynet - Wildcard Injection

John Hammond Beginner 5y ago

🔐 Cybersecurity

"Advanced" Tips & Tricks for Capture The Flag

John Hammond Advanced 5y ago

🔐 Cybersecurity

Help us test our CTF! December is BUSY

John Hammond Intermediate 5y ago

🔐 Cybersecurity

Nested JavaScript Obfuscation - GuidePoint Security CTF Challenge

John Hammond Beginner 5y ago

🔐 Cybersecurity

Custom Wordlists & SQL Injection - GuidePoint Security CTF (Belle)

John Hammond Beginner 5y ago

🔐 Cybersecurity

phpMyAdmin Local File Inclusion - GuidePoint Security CTF (Jeffrey)

John Hammond Beginner 5y ago

🔐 Cybersecurity

Basic Buffer Overflow - VulnServer TRUN

John Hammond Beginner 5y ago

🔐 Cybersecurity

Audio Spectrogram & StegCracker Passwords - DownUnderCTF

John Hammond Intermediate 5y ago

🔐 Cybersecurity

Pwntools ROP Binary Exploitation - DownUnderCTF

John Hammond Intermediate 5y ago

🔐 Cybersecurity

Stopping DNS "ANY" Queries - DownUnderCTF

John Hammond Beginner 5y ago

📚 Coursera Courses Opens on Coursera · Free to audit

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Self-paced

Play It Safe: Manage Security Risks

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Self-paced

Hands-on Hacking

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Self-paced

AWS: Resilient Solutions and Security Controls

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Self-paced

IT Risk Assessment Practices

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Self-paced

Microsoft Azure Management Tools and Security Solutions

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Self-paced

CCNA 200-301 Version 1.1: Unit 6

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Self-paced

Linux Fundamentals: Configure, Secure & Manage

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Self-paced

Cyber Secure Coder (CSC-110)

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Self-paced

Introduction to Cybersecurity Essentials

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Self-paced

Cybersecurity: What to Do When You Are a Victim

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📚 Coursera Course ↗

Self-paced

Cybersecurity Job Search, Resume, and Interview Prep

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Self-paced

Secure GKE with Cloud Next Generation Firewall

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Self-paced

Cyber Security Technologies

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Self-paced

The Business of Cybersecurity Capstone

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Self-paced

CISSP Domain 5: Identity and Access Management (IAM)

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Self-paced

Network Architecture

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Self-paced

Detecting and Mitigating Cyber Threats and Attacks

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Self-paced

Web Hacking Expert - Full-Stack Exploitation Mastery

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