NCL Gymnasium - Hsanokklis/2022-2023-Tech-journal GitHub Wiki Module 1: Open Source Intelligence Challenge 1: Finding the Meta data of an Image Challenge 2: Looking up information about DNS Challenge 3: Threat intel (telnet, POODLE, Heartbleed, vsftpd, SQL Slammer) Challenge 4: HTTP headers Challenge 5: SSL Certificates Challenge 6: Barcode Module 2: Cryptography Challenge 1: Crypto 1 Challenge 2: Crypto 2 Challenge 3: Crypto 3 Challenge 4: Crypto 4 Challenge 5: Crypto 5 Challenge 6: Crypto 6 Challenge 7: Stego 1 Challenge 8: Stego 2