S/MINE: Collecting and Analyzing S/MIME Certificates at Scale

Gurur Öndarö and Jonas Kaspereit, Münster University of Applied Sciences; Samson Umezulike, Fraunhofer SIT and National Research Center for Applied Cybersecurity ATHENE; Christoph Saatjohann, Münster University of Applied Sciences; Fabian Ising, Fraunhofer SIT and National Research Center for Applied Cybersecurity ATHENE; Sebastian Schinzel, Münster University of Applied Sciences, Fraunhofer SIT and National Research Center for Applied Cybersecurity ATHENE