Working as Pentester Niels has an extensive background in the security field. Niels has a background in web-development and knows his way around C, C++, C#, and Python and is active in the password cracking/research communities of Hashcat, Hashkiller, and HashMob. Winning in the CrackTheCon password cracking contest, and achieving 3rd place in both the CrackMeIfYouCan 2021 & 2022.