Tech Skills

Cybersecurity

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

6355
lessons
Reversing Engineering XOR | picoCTF [17] quackme
🔐 Cybersecurity
Reversing Engineering XOR | picoCTF [17] quackme
John Hammond Intermediate 7y ago
picoCTF 2018 [16] leak me & Now You See Me
🔐 Cybersecurity
picoCTF 2018 [16] leak me & Now You See Me
John Hammond Intermediate 7y ago
How To Prevent The Most Common Cross Site Scripting Attack
🔐 Cybersecurity
How To Prevent The Most Common Cross Site Scripting Attack
Web Dev Simplified Beginner 7y ago
Which Python book should I buy? David Bombal's Book Club.
🔐 Cybersecurity
Which Python book should I buy? David Bombal's Book Club.
David Bombal Beginner 7y ago
HackTheBox - Fighter
🔐 Cybersecurity
HackTheBox - Fighter
IppSec Beginner 7y ago
Start Contributing to Open Source (Hacktoberfest)
🔐 Cybersecurity
Start Contributing to Open Source (Hacktoberfest)
Web Dev Simplified Beginner 7y ago
What is Cisco NSO (Tail-f)? What should I learn? DNA? APIC-EM? ACI? NSO? Help! (Part 2)
🔐 Cybersecurity
What is Cisco NSO (Tail-f)? What should I learn? DNA? APIC-EM? ACI? NSO? Help! (Part 2)
David Bombal Beginner 7y ago
HackTheBox - Sunday
🔐 Cybersecurity
HackTheBox - Sunday
IppSec Beginner 7y ago
DEF CON CTF 2018 Finals
🔐 Cybersecurity
DEF CON CTF 2018 Finals
LiveOverflow Beginner 7y ago
First time in Las Vegas for BlackHat, DEF CON and more...
🔐 Cybersecurity
First time in Las Vegas for BlackHat, DEF CON and more...
LiveOverflow Beginner 7y ago
Wakanda 1 CTF Walkthrough - Boot-To-Root
🔐 Cybersecurity
Wakanda 1 CTF Walkthrough - Boot-To-Root
HackerSploit Intermediate 7y ago
picoCTF 2018 [15] Buffer Overflow 1 & Hertz 2
🔐 Cybersecurity
picoCTF 2018 [15] Buffer Overflow 1 & Hertz 2
John Hammond Intermediate 7y ago
picoCTF 2018 [14] be-quick-or-be-dead 1 & blaise's cipher
🔐 Cybersecurity
picoCTF 2018 [14] be-quick-or-be-dead 1 & blaise's cipher
John Hammond Intermediate 7y ago
picoCTF 2018 [13] Truly an Artist & Assembly 1
🔐 Cybersecurity
picoCTF 2018 [13] Truly an Artist & Assembly 1
John Hammond Intermediate 7y ago
picoCTF 2018 [11] Hex Editor, SSH, Irish Name Repo
🔐 Cybersecurity
picoCTF 2018 [11] Hex Editor, SSH, Irish Name Repo
John Hammond Intermediate 7y ago
picoCTF 2018 [10] Caesar Cipher 1, ENV, & Hertz
🔐 Cybersecurity
picoCTF 2018 [10] Caesar Cipher 1, ENV, & Hertz
John Hammond Intermediate 7y ago
picoCTF 2018 [09] Assembly 0 & Buffer Overflow 0
🔐 Cybersecurity
picoCTF 2018 [09] Assembly 0 & Buffer Overflow 0
John Hammond Intermediate 7y ago
picoCTF 2018 [08] Recovering From The Snap & Admin Panel
🔐 Cybersecurity
picoCTF 2018 [08] Recovering From The Snap & Admin Panel
John Hammond Intermediate 7y ago
picoCTF 2018 [07] Logon & Reading Between The Eyes
🔐 Cybersecurity
picoCTF 2018 [07] Logon & Reading Between The Eyes
John Hammond Intermediate 7y ago
picoCTF 2018 [06] grep2, Aca-Shell-A, Client Side is Still Bad
🔐 Cybersecurity
picoCTF 2018 [06] grep2, Aca-Shell-A, Client Side is Still Bad
John Hammond Intermediate 7y ago
picoCTF 2018 [05] strings, pipe & Inspect Me
🔐 Cybersecurity
picoCTF 2018 [05] strings, pipe & Inspect Me
John Hammond Intermediate 7y ago
picoCTF 2018 [04] Here's Johnny!
🔐 Cybersecurity
picoCTF 2018 [04] Here's Johnny!
John Hammond Intermediate 7y ago
picoCTF 2018 [03]  Cryptography Warmups, grep & netcat
🔐 Cybersecurity
picoCTF 2018 [03] Cryptography Warmups, grep & netcat
John Hammond Intermediate 7y ago
picoCTF 2018 [02] Resources & Reversing Warmups
🔐 Cybersecurity
picoCTF 2018 [02] Resources & Reversing Warmups
John Hammond Intermediate 7y ago
picoCTF 2018 [01] General & Forensics Warmups
🔐 Cybersecurity
picoCTF 2018 [01] General & Forensics Warmups
John Hammond Intermediate 7y ago
Easy RSA (Given Private Key) | CSAW RED "EasyRSA"
🔐 Cybersecurity
Easy RSA (Given Private Key) | CSAW RED "EasyRSA"
John Hammond Beginner 7y ago
What should I learn? DNA? APIC-EM? ACI? NSO? So many SDN solutions! Help! (Part 1)
🔐 Cybersecurity
What should I learn? DNA? APIC-EM? ACI? NSO? So many SDN solutions! Help! (Part 1)
David Bombal Beginner 7y ago
GETS Buffer Overflow | PicoCTF 2017 [41] "VR Gear Console"
🔐 Cybersecurity
GETS Buffer Overflow | PicoCTF 2017 [41] "VR Gear Console"
John Hammond Intermediate 7y ago
BASH Command Injection | PicoCTF 2017 [40] "Flagsay_1"
🔐 Cybersecurity
BASH Command Injection | PicoCTF 2017 [40] "Flagsay_1"
John Hammond Intermediate 7y ago
Intro Format String Vulnerability | PicoCTF 2017 [39] "I've Got a Secret"
🔐 Cybersecurity
Intro Format String Vulnerability | PicoCTF 2017 [39] "I've Got a Secret"
John Hammond Beginner 7y ago
GNS3 Core Team tell us about the history and future of GNS3! An island?
🔐 Cybersecurity
GNS3 Core Team tell us about the history and future of GNS3! An island?
David Bombal Beginner 7y ago
HackTheBox - Olympus
🔐 Cybersecurity
HackTheBox - Olympus
IppSec Intermediate 7y ago
Solving Equations with Sympy | CSAW CTF "Algebra"
🔐 Cybersecurity
Solving Equations with Sympy | CSAW CTF "Algebra"
John Hammond Intermediate 7y ago
Single-Byte XOR | CSAW CTF "babycrypto"
🔐 Cybersecurity
Single-Byte XOR | CSAW CTF "babycrypto"
John Hammond Intermediate 7y ago
LDAP Injection | CSAW CTF "ldab"
🔐 Cybersecurity
LDAP Injection | CSAW CTF "ldab"
John Hammond Intermediate 7y ago
x86 Assembly | CSAW CTF "A Tour of x86"
🔐 Cybersecurity
x86 Assembly | CSAW CTF "A Tour of x86"
John Hammond Intermediate 7y ago
PWN Overflow | CSAW CTF "BigBoy"
🔐 Cybersecurity
PWN Overflow | CSAW CTF "BigBoy"
John Hammond Intermediate 7y ago
Obscure Vignere Cipher | IceCTF "Garfield"
🔐 Cybersecurity
Obscure Vignere Cipher | IceCTF "Garfield"
John Hammond Intermediate 7y ago
Embedded favicon.gif | IceCTF "ilovebees"
🔐 Cybersecurity
Embedded favicon.gif | IceCTF "ilovebees"
John Hammond Intermediate 7y ago
HackTheBox - Canape
🔐 Cybersecurity
HackTheBox - Canape
IppSec Beginner 7y ago
WTF is Base65536!? | IceCTF [07] "Rabbit Hole"
🔐 Cybersecurity
WTF is Base65536!? | IceCTF [07] "Rabbit Hole"
John Hammond Intermediate 7y ago
ZIP Password Cracking | IceCTF [06] "Hardshells"
🔐 Cybersecurity
ZIP Password Cracking | IceCTF [06] "Hardshells"
John Hammond Intermediate 7y ago
GIF Split & Stack | IceCTF [05] "Modern Picasso"
🔐 Cybersecurity
GIF Split & Stack | IceCTF [05] "Modern Picasso"
John Hammond Intermediate 7y ago
QR Code Steganography | IceCTF [04] "Drumbone"
🔐 Cybersecurity
QR Code Steganography | IceCTF [04] "Drumbone"
John Hammond Intermediate 7y ago
Accidental Laravel Debug Mode | IceCTF [03] "Third Web"
🔐 Cybersecurity
Accidental Laravel Debug Mode | IceCTF [03] "Third Web"
John Hammond Intermediate 7y ago
Hiding Content with CSS | IceCTF [02] "Lights Out!"
🔐 Cybersecurity
Hiding Content with CSS | IceCTF [02] "Lights Out!"
John Hammond Intermediate 7y ago
HackTheBox - Poison
🔐 Cybersecurity
HackTheBox - Poison
IppSec Beginner 7y ago
The Last Flag (Overachiever) - Pwn Adventure 3
🔐 Cybersecurity
The Last Flag (Overachiever) - Pwn Adventure 3
LiveOverflow Intermediate 7y ago
📚 Coursera Courses Opens on Coursera · Free to audit
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Network Monitoring and Analysis
📚 Coursera Course ↗
Self-paced
Network Monitoring and Analysis
Opens on Coursera ↗
Ethical Hacking Essentials: Hands-On Edition
📚 Coursera Course ↗
Self-paced
Ethical Hacking Essentials: Hands-On Edition
Opens on Coursera ↗
ESG Mindsets for Business Transformation
📚 Coursera Course ↗
Self-paced
ESG Mindsets for Business Transformation
Opens on Coursera ↗
Routing, Network Devices, and Security
📚 Coursera Course ↗
Self-paced
Routing, Network Devices, and Security
Opens on Coursera ↗
Data Security
📚 Coursera Course ↗
Self-paced
Data Security
Opens on Coursera ↗
Foundations of Site Reliability Engineering Training
📚 Coursera Course ↗
Self-paced
Foundations of Site Reliability Engineering Training
Opens on Coursera ↗