Public trust in the social system and media is falling. Media transformation, new media and social networks point to developments in postmodern societies which have accelerated trust erosion. Fragmentarization and social inequality fundamentally influence the order of today's world, even through the media. I focus in this work on how the trust or distrust in media and media discourse is constructed, what the relationship is between media and trust, how they intertwine and interact with each other. I describe the trust concept from its past history to the present, its meaning and principles of construction in media discourse. I highlight in a case study a concrete mediation of (dis)trust and its construction in the media coverage of the Czech alternative website Parlamentí listy as well as the topic of disinformation in the mainstream media. Based on this analysis, I also describe which social products the mistrust mediation brings and what the future development looks like. I also focus on social inequality as a significant cause of trust erosion, confidence in the media and also ontological security.

The thesis is focused on currently widely discussed topic of the Russian hybrid warfare. It examines how the discourse surrounding this topic in the Czech Republic unfolded and how certain actors, primarily the think-tank European Values, have securitized the issue of the Russian hybrid warfare. The thesis is grounded in the securitization theory developed by the Copenhagen School. The international context is also discussed, since the discourses about the Russian hybrid warfare against the West are interconnected and the interest in this subject have risen after the annexation of Crimea and especially after the Russian interference into the U.S. presidential election in 2016. The case study of the documents related to the Russian hybrid warfare published by the think-tank European Values is central to this project. Institutional mistrust is a crucial underlying cause driving the success of disinformation campaigns and creates an opportunity for the hybrid efforts. However, this thesis attempts to explain, how securitization of the Russian hybrid warfare can be unhelpful or even detrimental to the goal of facilitating a greater trust in institutions.

This master thesis explores the media representation of deepfakes. The first part summarizes previous research followed by a comprehensive review of deepfakes, including the technology allowing for their emergence, current uses and methods of regulation and detection. The second part connects the phenomenon with important theoretical concepts such as social construction of reality and the crucial role of media in this process. The empirical part consists of research combining two methods - quantitative content analysis and qualitative critical discourse analysis. The research analysis is focused on media articles dealing with deepfakes in order to find out how the media represent this phenomenon. The results show that current media discourse of deepfakes is strongly negative as the media frame them as a security threat. This negative representation is highly speculative since journalists often invent their own stories of future disastrous consequences of the technology for national security due to lack of current examples. The findings show an apparent hierarchy of the harms posed by deepfakes which is present in media coverage, and reflects gender sereotypes and inequality in the current society. Harm in the form of non-consensual fake pornography targeting women is neglected in the media...

The thesis entitled "Genesis of Russian propaganda as a serious security threat of the 21st century from the perspective of NATO and EU" examines the phenomenon of contemporary Russian propaganda. Russia commonly uses propaganda as a tool of promoting its interests. Russian propaganda is very sophisticated, aggressive, and massive. Mainly due to the effective use of the internet and social networks, Russian online actors are able, in a short space of time, to successfully generate an information chaos, which is difficult to navigate in. Contemporary Russian propaganda has several key aspects, namely the anti-American and anti-European orientation, attacks on Western democratic values, and the mixing of truth with fiction. Thus, propaganda becomes an effective weapon in the information war that the Kremlin has initiated. The West is aware of these alarming issues and tries to respond. The thesis analyzes the development of the perception of the Kremlin propaganda by the Western international security organizations NATO and EU. At the same time, it attempts to identify the moment when Russian propaganda began to be perceived as a serious security threat. Whereas the key of the analysis is to interpret the perception of Russian propaganda, the concept of securitization was chosen as the theoretical...