Tech Skills

Cybersecurity

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

6355
lessons
JPG Steganography | CodefestCTF 2018 "Hidden Agenda"
🔐 Cybersecurity
JPG Steganography | CodefestCTF 2018 "Hidden Agenda"
John Hammond Intermediate 7y ago
RSA Implemented in JavaScript (Keygen part 5) - Pwn Adventure 3
🔐 Cybersecurity
RSA Implemented in JavaScript (Keygen part 5) - Pwn Adventure 3
LiveOverflow Intermediate 7y ago
Whitespace Stego | CodefestCTF 2018: "Polyglot"
🔐 Cybersecurity
Whitespace Stego | CodefestCTF 2018: "Polyglot"
John Hammond Intermediate 7y ago
YANG, NETCONF, RESTCONF Demos and Free labs (Part 2)
🔐 Cybersecurity
YANG, NETCONF, RESTCONF Demos and Free labs (Part 2)
David Bombal Beginner 7y ago
YANG, NETCONF, RESTCONF Demos. Which Cisco devices are supported? (Part 1)
🔐 Cybersecurity
YANG, NETCONF, RESTCONF Demos. Which Cisco devices are supported? (Part 1)
David Bombal Beginner 7y ago
HackTheBox - Stratosphere
🔐 Cybersecurity
HackTheBox - Stratosphere
IppSec Beginner 7y ago
RSA Implemented in Assembler (Keygen part 4) - Pwn Adventure 3
🔐 Cybersecurity
RSA Implemented in Assembler (Keygen part 4) - Pwn Adventure 3
LiveOverflow Intermediate 7y ago
You’re Probably Not Red Teaming (And Usually I’m Not, Either) Webcast by Deviant Ollam
🔐 Cybersecurity
You’re Probably Not Red Teaming (And Usually I’m Not, Either) Webcast by Deviant Ollam
SANS Institute Beginner 7y ago
Service Website Hacks for Fast, Lasting Success
🔐 Cybersecurity
Service Website Hacks for Fast, Lasting Success
Wes McDowell Beginner 7y ago
HackTheBox - Rabbit
🔐 Cybersecurity
HackTheBox - Rabbit
IppSec Intermediate 7y ago
Introduction to Malware Analysis
🔐 Cybersecurity
Introduction to Malware Analysis
SANS Institute Beginner 7y ago
The FUTURE of Information Security Engineers - Cisco Security Automation (DNA CENTER)
🔐 Cybersecurity
The FUTURE of Information Security Engineers - Cisco Security Automation (DNA CENTER)
NetworkChuck Beginner 7y ago
PCAP File Carving | CodefestCTF 2018: "Thunder"
🔐 Cybersecurity
PCAP File Carving | CodefestCTF 2018: "Thunder"
John Hammond Intermediate 7y ago
ECB Encryption / Python Web Hacking | Natas: OverTheWire (Level 28)
🔐 Cybersecurity
ECB Encryption / Python Web Hacking | Natas: OverTheWire (Level 28)
John Hammond Intermediate 7y ago
Nonce Signing | CodefestCTF 2018: "Ghost Protocol"
🔐 Cybersecurity
Nonce Signing | CodefestCTF 2018: "Ghost Protocol"
John Hammond Intermediate 7y ago
PRNG & Modulus | CodefestCTF 2018: "Access Denied"
🔐 Cybersecurity
PRNG & Modulus | CodefestCTF 2018: "Access Denied"
John Hammond Intermediate 7y ago
Web Scraping | CodefestCTF 2018: "Web Book"
🔐 Cybersecurity
Web Scraping | CodefestCTF 2018: "Web Book"
John Hammond Intermediate 7y ago
EditThisCookie | CodefestCTF 2018: "Fortune Cookie"
🔐 Cybersecurity
EditThisCookie | CodefestCTF 2018: "Fortune Cookie"
John Hammond Intermediate 7y ago
"Introduction to Linux" [05] JSON Lesson Book
🔐 Cybersecurity
"Introduction to Linux" [05] JSON Lesson Book
John Hammond Beginner 7y ago
Pwntools | CodefestCTF 2018: "Freebies" & "Typing Master"
🔐 Cybersecurity
Pwntools | CodefestCTF 2018: "Freebies" & "Typing Master"
John Hammond Intermediate 7y ago
"Introduction to Linux" [04] Shell Source Code
🔐 Cybersecurity
"Introduction to Linux" [04] Shell Source Code
John Hammond Beginner 7y ago
Two's Complement | PicoCTF 2017 [38] Guess The Number
🔐 Cybersecurity
Two's Complement | PicoCTF 2017 [38] Guess The Number
John Hammond Intermediate 7y ago
Injecting Shellcode | PicoCTF [37] Shellz
🔐 Cybersecurity
Injecting Shellcode | PicoCTF [37] Shellz
John Hammond Intermediate 7y ago
Crafting Shellcode | PicoCTF [36] Shells
🔐 Cybersecurity
Crafting Shellcode | PicoCTF [36] Shells
John Hammond Intermediate 7y ago
Basic SQL Injection | PicoCTF 2017 [35] My First SQL
🔐 Cybersecurity
Basic SQL Injection | PicoCTF 2017 [35] My First SQL
John Hammond Intermediate 7y ago
Introduction to Linux [03] BASH Training Wheels Shell
🔐 Cybersecurity
Introduction to Linux [03] BASH Training Wheels Shell
John Hammond Beginner 7y ago
Reverse Engineering Assembly | PicoCTF 2017 [34] Programmer's Assemble
🔐 Cybersecurity
Reverse Engineering Assembly | PicoCTF 2017 [34] Programmer's Assemble
John Hammond Intermediate 7y ago
"Introduction To Linux" [02] Raspberry Pi & Git
🔐 Cybersecurity
"Introduction To Linux" [02] Raspberry Pi & Git
John Hammond Beginner 7y ago
ERROR-Based BLIND SQL Injection | "TRY HARDER" (HackconCTF 2018)
🔐 Cybersecurity
ERROR-Based BLIND SQL Injection | "TRY HARDER" (HackconCTF 2018)
John Hammond Intermediate 7y ago
Understanding the Key Verification Algorithm (Keygen part 3) - Pwn Adventure 3
🔐 Cybersecurity
Understanding the Key Verification Algorithm (Keygen part 3) - Pwn Adventure 3
LiveOverflow Intermediate 7y ago
Number Bases | "Diversity" (HackconCTF 2018)
🔐 Cybersecurity
Number Bases | "Diversity" (HackconCTF 2018)
John Hammond Intermediate 7y ago
QR Code Stegangography | "Steg it Up" (HackconCTF 2018)
🔐 Cybersecurity
QR Code Stegangography | "Steg it Up" (HackconCTF 2018)
John Hammond Intermediate 7y ago
Text Steganography | "Twins" (HackconCTF 2018)
🔐 Cybersecurity
Text Steganography | "Twins" (HackconCTF 2018)
John Hammond Intermediate 7y ago
Ethereum Blockchain | "EtherHide" (Hackcon2018 CTF)
🔐 Cybersecurity
Ethereum Blockchain | "EtherHide" (Hackcon2018 CTF)
John Hammond Intermediate 7y ago
Stupid Superman Recon | "Ethical Hacker" (HackconCTF 2018)
🔐 Cybersecurity
Stupid Superman Recon | "Ethical Hacker" (HackconCTF 2018)
John Hammond Intermediate 7y ago
Telegram Support | "Join Us" (HackconCTF 2018)
🔐 Cybersecurity
Telegram Support | "Join Us" (HackconCTF 2018)
John Hammond Intermediate 7y ago
ASCII & Regular Expressions | "Find Me ASAP" (Hackcon2018 CTF)
🔐 Cybersecurity
ASCII & Regular Expressions | "Find Me ASAP" (Hackcon2018 CTF)
John Hammond Intermediate 7y ago
Vignere Cipher | "Salad Upgrade" (Hackcon2018 CTF)
🔐 Cybersecurity
Vignere Cipher | "Salad Upgrade" (Hackcon2018 CTF)
John Hammond Intermediate 7y ago
Simple Strings | "Hoaxes & Hexes" (Hackcon2018 CTF)
🔐 Cybersecurity
Simple Strings | "Hoaxes & Hexes" (Hackcon2018 CTF)
John Hammond Beginner 7y ago
Caesar Cipher | "Caesar Salad" (Hackcon2018 CTF)
🔐 Cybersecurity
Caesar Cipher | "Caesar Salad" (Hackcon2018 CTF)
John Hammond Intermediate 7y ago
SANS vLive Evening Classes - LEG523
🔐 Cybersecurity
SANS vLive Evening Classes - LEG523
SANS Institute Intermediate 7y ago
SANS vLive Evening Classes - SEC504
🔐 Cybersecurity
SANS vLive Evening Classes - SEC504
SANS Institute Intermediate 7y ago
Introduction to Linux
🔐 Cybersecurity
Introduction to Linux
SANS Institute Beginner 7y ago
Reversing Custom Encoding (Keygen part 2) - Pwn Adventure 3
🔐 Cybersecurity
Reversing Custom Encoding (Keygen part 2) - Pwn Adventure 3
LiveOverflow Intermediate 7y ago
Wireshark Decrypting SSL | "Ssleepy" TJCTF 2018
🔐 Cybersecurity
Wireshark Decrypting SSL | "Ssleepy" TJCTF 2018
John Hammond Intermediate 7y ago
Off-By-One Error | "Titled Troop" TJCTF 2018
🔐 Cybersecurity
Off-By-One Error | "Titled Troop" TJCTF 2018
John Hammond Intermediate 7y ago
LSB Steganography | "Lexington State Bank" TJCTF 2018
🔐 Cybersecurity
LSB Steganography | "Lexington State Bank" TJCTF 2018
John Hammond Intermediate 7y ago
Easy Buffer Overflow | "Math Whiz" TJCTF 2018
🔐 Cybersecurity
Easy Buffer Overflow | "Math Whiz" TJCTF 2018
John Hammond Beginner 7y ago
📚 Coursera Courses Opens on Coursera · Free to audit
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 IT Security: Defense against the digital dark arts
📚 Coursera Course ↗
Self-paced
IT Security: Defense against the digital dark arts
Opens on Coursera ↗
Negotiation, Mediation, and Conflict Resolution - Capstone Project
📚 Coursera Course ↗
Self-paced
Negotiation, Mediation, and Conflict Resolution - Capstone Project
Opens on Coursera ↗
Incident Response and Defense with OpenVAS
📚 Coursera Course ↗
Self-paced
Incident Response and Defense with OpenVAS
Opens on Coursera ↗
Ethical Hacking with Kali Linux: Analyze & Apply
📚 Coursera Course ↗
Self-paced
Ethical Hacking with Kali Linux: Analyze & Apply
Opens on Coursera ↗
Basics of Cyber Threat Intelligence
📚 Coursera Course ↗
Self-paced
Basics of Cyber Threat Intelligence
Opens on Coursera ↗
Introduction to Cybersecurity Careers
📚 Coursera Course ↗
Self-paced
Introduction to Cybersecurity Careers
Opens on Coursera ↗