Write-up on Blockchain data exfiltration (CSCBE18 qualifiers) challenge

This article describes the analysis of data exfiltration using blockchain as it was used in a challenge for the CSCBE 2018 qualifiers. The Cyber Security Challenge Belgium (CSCBE) is a typical Capture-The-Flag (CTF) competition aimed at students from universities and colleges all over Belgium. All of the CSCBE’s challenges are created by security professionals from many different organisations. … Continue reading Write-up on Blockchain data exfiltration (CSCBE18 qualifiers) challenge