"Richtigkeit, Wahrheit, Wahrhaftigkeit: Authentizität als kommunikationsethische Voraussetzung onlinebasierter Forschung. Theoretische Verortungen und empirische Befunde" [Validity, Truth, Veracity: Authenticity as Ethical Requirement for Online-Based Research. Theoretical Positioning and Empirical Findings], talk by N. Heise at the annual conference of the DGPuK expert groups "Kommunikations- und Medienethik" [Communication and Media Ethics] and "Computervermittelte Kommunikation" [Computer-Mediated Communication] as well as of the "Netzwerk Medienethik" [Network Media Ethics] at the University of Munich on 17 February 2012.