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🔐 Cybersecurity

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

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Hackers make FAKE notifications
Cybersecurity
Hackers make FAKE notifications
John Hammond Advanced 1w ago
AI Cyber Defense Ops Course Launch!
Cybersecurity
AI Cyber Defense Ops Course Launch!
John Hammond Advanced 2w ago
State of the Cybersecurity Workforce, JHT / WiCyS RSAC Preview
Cybersecurity
State of the Cybersecurity Workforce, JHT / WiCyS RSAC Preview
John Hammond Advanced 3w ago
Clawdbot Malware
Cybersecurity
Clawdbot Malware
John Hammond Advanced 2mo ago
so malware is invisible now lol
Cybersecurity
so malware is invisible now lol
John Hammond Advanced 4mo ago
Next.js & React vulnerability will break the internet
Cybersecurity
Next.js & React vulnerability will break the internet
John Hammond Advanced 4mo ago
The State of Cybercrime in 2025 Part 2 (with Nick Ascoli!)
Cybersecurity
The State of Cybercrime in 2025 Part 2 (with Nick Ascoli!)
John Hammond Advanced 4mo ago
Career Questions with Rob Fuller @mubix!
Cybersecurity
Career Questions with Rob Fuller @mubix!
John Hammond Advanced 4mo ago
The State of Cybercrime in 2025 (with Nick Ascoli!)
Cybersecurity
The State of Cybercrime in 2025 (with Nick Ascoli!)
John Hammond Advanced 5mo ago
Window Batch Malware Analysis!
Cybersecurity
Window Batch Malware Analysis!
John Hammond Advanced 5mo ago
Script-Based Malware Analysis!
Cybersecurity
Script-Based Malware Analysis!
John Hammond Advanced 6mo ago
hackers have gone TOO FAR
Cybersecurity
hackers have gone TOO FAR
John Hammond Advanced 7mo ago
The Entire Internet is Broken
Cybersecurity
The Entire Internet is Broken
John Hammond Advanced 7mo ago
this malware hides in a WALLPAPER
Cybersecurity
this malware hides in a WALLPAPER
John Hammond Advanced 9mo ago
FAKE Gambling Cheat Runs Malware
Cybersecurity
FAKE Gambling Cheat Runs Malware
John Hammond Advanced 10mo ago
Can you handle a cyber attack? TryHackMe SOC Simulator
Cybersecurity
Can you handle a cyber attack? TryHackMe SOC Simulator
John Hammond Advanced 1y ago
stop falling for this (disable Win+R run dialog)
Cybersecurity
stop falling for this (disable Win+R run dialog)
John Hammond Advanced 1y ago
Godot Game Used As Malware
Cybersecurity
Godot Game Used As Malware
John Hammond Advanced 1y ago
Bruteforcing Windows Defender Exclusions
Cybersecurity
Bruteforcing Windows Defender Exclusions
John Hammond Advanced 1y ago
Ransomware In Action: MedusaLocker ReadText34
Cybersecurity
Ransomware In Action: MedusaLocker ReadText34
John Hammond Advanced 1y ago
Fileless Malware Analysis & PowerShell Deobfuscation
Cybersecurity
Fileless Malware Analysis & PowerShell Deobfuscation
John Hammond Advanced 1y ago
Don't Use CyberChef. Use This Instead.
Cybersecurity
Don't Use CyberChef. Use This Instead.
John Hammond Advanced 2y ago
Microsoft Entra Training
Cybersecurity
Microsoft Entra Training
John Hammond Advanced 2y ago
Technical Term Tips
Cybersecurity
Technical Term Tips
John Hammond Advanced 2y ago
i BACKDOORED a Desktop Shortcut (to run malware)
Cybersecurity
i BACKDOORED a Desktop Shortcut (to run malware)
John Hammond Advanced 2y ago
Hackers Steal Passwords & Personal Information
Cybersecurity
Hackers Steal Passwords & Personal Information
John Hammond Advanced 2y ago
I Put A Fake Email Server On The Internet
Cybersecurity
I Put A Fake Email Server On The Internet
John Hammond Advanced 2y ago
This Company Got Hacked... but HOW?
Cybersecurity
This Company Got Hacked... but HOW?
John Hammond Advanced 2y ago
Incident Response: Azure Log Analysis
Cybersecurity
Incident Response: Azure Log Analysis
John Hammond Advanced 2y ago
VULNERABLE Kernel Drivers for Security Research
Cybersecurity
VULNERABLE Kernel Drivers for Security Research
John Hammond Advanced 2y ago
Exploring the Latest Malware Samples
Cybersecurity
Exploring the Latest Malware Samples
John Hammond Advanced 2y ago
"Please Hack My Computer"
Cybersecurity
"Please Hack My Computer"
John Hammond Advanced 2y ago
I Tried The HackTheBox Certified Pentester Exam
Cybersecurity
I Tried The HackTheBox Certified Pentester Exam
John Hammond Advanced 3y ago
Evading Filters to Dump Databases (like a hacker)
Cybersecurity
Evading Filters to Dump Databases (like a hacker)
John Hammond Advanced 3y ago
"Advanced" Tips & Tricks for Capture The Flag
Cybersecurity
"Advanced" Tips & Tricks for Capture The Flag
John Hammond Advanced 5y ago
📚 Coursera Courses Opens on Coursera · Free to audit
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Decryption with Python
📚 Coursera Course ↗
Self-paced
Decryption with Python
Opens on Coursera ↗
Securing the IoT Landscape: From Inception to Architecture
📚 Coursera Course ↗
Self-paced
Securing the IoT Landscape: From Inception to Architecture
Opens on Coursera ↗
Hacking COVID-19 — Course 5: Tracing SARS-CoV-2's Evolution
📚 Coursera Course ↗
Self-paced
Hacking COVID-19 — Course 5: Tracing SARS-CoV-2's Evolution
Opens on Coursera ↗
Introdução ao Cloud Next Generation Firewall
📚 Coursera Course ↗
Self-paced
Introdução ao Cloud Next Generation Firewall
Opens on Coursera ↗
The Absolute Beginners Guide to Cyber Security - Part 4
📚 Coursera Course ↗
Self-paced
The Absolute Beginners Guide to Cyber Security - Part 4
Opens on Coursera ↗
Introduction to SIEM (Splunk)
📚 Coursera Course ↗
Self-paced
Introduction to SIEM (Splunk)
Opens on Coursera ↗