John Hammond

Videos from John Hammond

Page 1 of 2 • 30 total videos

The Gremlin Stealer Malware
18:29

The Gremlin Stealer Malware

John Hammond
43.5K views
Learn Cryptography!
1:01:30

Learn Cryptography!

John Hammond
13.1K views
Three Methods for Mobile App Security Testing
43:41

Three Methods for Mobile App Security Testing

John Hammond
254.0K views
Ransomware Demonstration: MedusaLocker ReadText34
35:52

Ransomware Demonstration: MedusaLocker ReadText34

John Hammond
128.4K views
Caesar Ciphers
0:57

Caesar Ciphers

John Hammond
84.7K views
No Tools in a CTF
0:57

No Tools in a CTF

John Hammond
1.2M views
Monitoring Cybercrime Activities on Telegram
23:26

Monitoring Cybercrime Activities on Telegram

John Hammond
485.7K views
ChatGPT tries a BASIC Capture The Flag (CTF) Challenge
14:29

ChatGPT tries a BASIC Capture The Flag (CTF) Challenge

John Hammond
150.5K views
Least Bit Steganography w/ zsteg (PicoCTF 2022 #50 'st3g0')
8:04

Least Bit Steganography w/ zsteg (PicoCTF 2022 #50 'st3g0')

John Hammond
27.9K views
PicoCTF 2022 - Substitution Ciphers in Cryptography (#25 'substitution1')
3:45

PicoCTF 2022 - Substitution Ciphers in Cryptography (#25 'substitution1')

John Hammond
7.6K views
Kasiski's Test in Cryptography (PicoCTF 2022 #26 'substitution2')
6:29

Kasiski's Test in Cryptography (PicoCTF 2022 #26 'substitution2')

John Hammond
8.1K views
Vigenere Cipher Cryptography (PicoCTF 2022 #29 'vigenere')
25:48

Vigenere Cipher Cryptography (PicoCTF 2022 #29 'vigenere')

John Hammond
19.9K views
Redacted Text in PDFs (PicoCTF 2022 #20 'redaction-gone-wrong')
6:11

Redacted Text in PDFs (PicoCTF 2022 #20 'redaction-gone-wrong')

John Hammond
17.9K views
Audio Spectrogram & StegCracker Passwords - DownUnderCTF
23:32

Audio Spectrogram & StegCracker Passwords - DownUnderCTF

John Hammond
61.9K views
BCACTF - Bruteforcing "Basic Pass" (with SinisterMatrix!)
11:33

BCACTF - Bruteforcing "Basic Pass" (with SinisterMatrix!)

John Hammond
9.9K views
Windows PowerShell [01] Introduction
22:43

Windows PowerShell [01] Introduction

John Hammond
390.0K views
HSCTF - RSA Cryptography (Reverse Search Algorithm)
8:50

HSCTF - RSA Cryptography (Reverse Search Algorithm)

John Hammond
19.4K views
Crypto: Classic RSA with a Twist (ParsonsCTF)
14:47

Crypto: Classic RSA with a Twist (ParsonsCTF)

John Hammond
17.9K views
b00t2root19 CTF: Genetics [DNA Cryptography]
5:36

b00t2root19 CTF: Genetics [DNA Cryptography]

John Hammond
12.0K views
b00t2root CTF: cuz rsa is lub [RSA Cryptography]
5:49

b00t2root CTF: cuz rsa is lub [RSA Cryptography]

John Hammond
51.8K views
Multi-Exponent RSA Cryptography | Square CTF "Flipped Bits"
10:16

Multi-Exponent RSA Cryptography | Square CTF "Flipped Bits"

John Hammond
8.3K views
MORSE CODE Steganography (2/2) BsidesCT CTF 2018
9:30

MORSE CODE Steganography (2/2) BsidesCT CTF 2018

John Hammond
23.3K views
Steganography (1/2) BsidesCT CTF 2018
16:34

Steganography (1/2) BsidesCT CTF 2018

John Hammond
71.5K views
QR Code Steganography | IceCTF [04] "Drumbone"
5:53

QR Code Steganography | IceCTF [04] "Drumbone"

John Hammond
23.3K views