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🔐 Cybersecurity

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

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Python "netcat" Server CTF Challenge - ABYSS
Cybersecurity
Python "netcat" Server CTF Challenge - ABYSS
John Hammond Intermediate 8y ago
PowerShell on LINUX! Installation Video
Cybersecurity
PowerShell on LINUX! Installation Video
John Hammond Intermediate 8y ago
BASH ALIAS CTF Challenge built w/ Docker
Cybersecurity
BASH ALIAS CTF Challenge built w/ Docker
John Hammond Intermediate 8y ago
HACKvent 2017 "First Week" SOLUTIONS
Cybersecurity
HACKvent 2017 "First Week" SOLUTIONS
John Hammond Intermediate 8y ago
WHAT'S UP 2018!! NEW video style??
Cybersecurity
WHAT'S UP 2018!! NEW video style??
John Hammond Intermediate 8y ago
HackCon CTF 2017 "Bacche" Challenges
Cybersecurity
HackCon CTF 2017 "Bacche" Challenges
John Hammond Intermediate 8y ago
HackCon CTF 2017 TRIVIA and BONUS Challenges
Cybersecurity
HackCon CTF 2017 TRIVIA and BONUS Challenges
John Hammond Intermediate 8y ago
dog_meme_extended.mkv
Cybersecurity
dog_meme_extended.mkv
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Oh SSH!
Cybersecurity
Juniors CTF 2016 :: Oh SSH!
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Restriced Area
Cybersecurity
Juniors CTF 2016 :: Restriced Area
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Stop Thief!
Cybersecurity
Juniors CTF 2016 :: Stop Thief!
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: ROFL
Cybersecurity
Juniors CTF 2016 :: ROFL
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: The Good, The Bad and The Junkman
Cybersecurity
Juniors CTF 2016 :: The Good, The Bad and The Junkman
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Voting!!!
Cybersecurity
Juniors CTF 2016 :: Voting!!!
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Hackers Blog
Cybersecurity
Juniors CTF 2016 :: Hackers Blog
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Dirty Repo
Cybersecurity
Juniors CTF 2016 :: Dirty Repo
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Clone Attack
Cybersecurity
Juniors CTF 2016 :: Clone Attack
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Southern Cross
Cybersecurity
Juniors CTF 2016 :: Southern Cross
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Here Goes!
Cybersecurity
Juniors CTF 2016 :: Here Goes!
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Lost Code
Cybersecurity
Juniors CTF 2016 :: Lost Code
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Six Strange Tales
Cybersecurity
Juniors CTF 2016 :: Six Strange Tales
John Hammond Intermediate 9y ago
Juniors CTF 2016 :: Black Suprematic Square
Cybersecurity
Juniors CTF 2016 :: Black Suprematic Square
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Pickled Beets
Cybersecurity
KaizenCTF 2016 :: Pickled Beets
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Easy As Pie
Cybersecurity
KaizenCTF 2016 :: Easy As Pie
John Hammond Beginner 9y ago
KaizenCTF 2016 :: IP in a Haystack
Cybersecurity
KaizenCTF 2016 :: IP in a Haystack
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Darlene
Cybersecurity
KaizenCTF 2016 :: Darlene
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Packets without Borders
Cybersecurity
KaizenCTF 2016 :: Packets without Borders
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Fun with Flags 2
Cybersecurity
KaizenCTF 2016 :: Fun with Flags 2
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Fun With Flags 1
Cybersecurity
KaizenCTF 2016 :: Fun With Flags 1
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: The Button
Cybersecurity
KaizenCTF 2016 :: The Button
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Gone But Not Forgotten
Cybersecurity
KaizenCTF 2016 :: Gone But Not Forgotten
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Zip-A-Dee
Cybersecurity
KaizenCTF 2016 :: Zip-A-Dee
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Stegosaurus
Cybersecurity
KaizenCTF 2016 :: Stegosaurus
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Blackjack
Cybersecurity
KaizenCTF 2016 :: Blackjack
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: Search Leak 1
Cybersecurity
KaizenCTF 2016 :: Search Leak 1
John Hammond Intermediate 9y ago
KaizenCTF 2016 :: QR Nightmare
Cybersecurity
KaizenCTF 2016 :: QR Nightmare
John Hammond Intermediate 9y ago
United States Coast Guard Academy Windjammers 2016 Video
Cybersecurity
United States Coast Guard Academy Windjammers 2016 Video
John Hammond Intermediate 9y ago
SchoolCTF "Let's Play" (Live Recording)
Cybersecurity
SchoolCTF "Let's Play" (Live Recording)
John Hammond Intermediate 9y ago
Hack The Vote 2016 CTF Warpspeed [forensics150]
Cybersecurity
Hack The Vote 2016 CTF Warpspeed [forensics150]
John Hammond Intermediate 9y ago
Hack The Vote 2016 CTF: Sander's Fan Club [web100]
Cybersecurity
Hack The Vote 2016 CTF: Sander's Fan Club [web100]
John Hammond Intermediate 9y ago
misc50 : Hidden inside EKO :: EKOPARTY CTF 2016
Cybersecurity
misc50 : Hidden inside EKO :: EKOPARTY CTF 2016
John Hammond Intermediate 9y ago
web50 : RFC 7230 :: EKOPARTY CTF 2016
Cybersecurity
web50 : RFC 7230 :: EKOPARTY CTF 2016
John Hammond Intermediate 9y ago
web25 :: Mr. Robot : EKOPARTY CTF 2016
Cybersecurity
web25 :: Mr. Robot : EKOPARTY CTF 2016
John Hammond Intermediate 9y ago
Homemade CTF Challenge: 06 "I lost my password!"
Cybersecurity
Homemade CTF Challenge: 06 "I lost my password!"
John Hammond Intermediate 9y ago
Homemade CTF Challenge: 06 "A Brisk Stroll"
Cybersecurity
Homemade CTF Challenge: 06 "A Brisk Stroll"
John Hammond Intermediate 9y ago
Homemade CTF Challenge: 05 "The Assumption Song"
Cybersecurity
Homemade CTF Challenge: 05 "The Assumption Song"
John Hammond Intermediate 9y ago
Homemade CTF Challenge: 04 "UPX"
Cybersecurity
Homemade CTF Challenge: 04 "UPX"
John Hammond Intermediate 9y ago
Homemade CTF Challenge: 03 "Web Hunt"
Cybersecurity
Homemade CTF Challenge: 03 "Web Hunt"
John Hammond Intermediate 9y ago
📚 Coursera Courses Opens on Coursera · Free to audit
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The CISO Masterclass
📚 Coursera Course ↗
Self-paced
The CISO Masterclass
Opens on Coursera ↗
Evalúa tus necesidades con Cloud Next Generation Firewall
📚 Coursera Course ↗
Self-paced
Evalúa tus necesidades con Cloud Next Generation Firewall
Opens on Coursera ↗
Designing Robust Information System Security Architectures
📚 Coursera Course ↗
Self-paced
Designing Robust Information System Security Architectures
Opens on Coursera ↗
Identifying Security Vulnerabilities
📚 Coursera Course ↗
Self-paced
Identifying Security Vulnerabilities
Opens on Coursera ↗
Advanced Network Security and Analysis
📚 Coursera Course ↗
Self-paced
Advanced Network Security and Analysis
Opens on Coursera ↗
API Basics 2: Build a Blog (REST, URLs & HTTP Requests)
📚 Coursera Course ↗
Self-paced
API Basics 2: Build a Blog (REST, URLs & HTTP Requests)
Opens on Coursera ↗