Malderle, T.T.MalderleWübbeling, M.M.WübbelingKnauer, S.S.KnauerMeier, M.M.Meier2022-03-142022-03-142020https://publica.fraunhofer.de/handle/publica/40804610.1007/978-3-030-17065-3_28Identity theft is a typical consequence of successful cyber-attacks, which usually comprise the stealing of employee and customer data. Criminals heist identity data in order to either (mis)use the data themselves or sell collections of such data to fraudsters. The warning of the victims of identity theft is crucial to avoid or limit damage caused by identity misuse. A number of services that allow identity owners to check the status of used identities already exist. However in order to provide proactive timely warnings to victims the leaked identity data has to be on hand. In this paper we present a system for a proactive warning of victims of identity leaks.en004conference paper