A key research area in deepfake speech detection is source tracing - determining the origin of synthesised utterances. The approaches may involve identifying the acoustic model (AM), vocoder model (VM), or other generation-specific parameters. However, progress is limited by the lack of a dedicated, systematically curated dataset. To address this, we introduce STOPA, a systematically varied and metadata-rich dataset for deepfake speech source tracing, covering 8 AMs, 6 VMs, and diverse parameter settings across 700k samples from 13 distinct synthesisers. Unlike existing datasets, which often feature limited variation or sparse metadata, STOPA provides a systematically controlled framework covering a broader range of generative factors, such as the choice of the vocoder model, acoustic model, or pretrained weights, ensuring higher attribution reliability. This control improves attribution accuracy, aiding forensic analysis, deepfake detection, and generative model transparency.

Abstract The proliferation of deepfake speech poses a significant threat to cybersecurity, from manipulating political speeches and impersonating public figures to spoofing voice biometric systems. The increasing sophistication of adversaries increases the necessity of deploying adaptive detection methods. Moreover, real-world incidents such as fraudulent financial transactions highlight the severity of the problem. Although numerous detectors have been developed, their evaluation remains difficult due to different methodologies and benchmark datasets, making direct comparisons impossible. This study presents a general and detailed framework for evaluating and comparing deepfake speech detectors. We further demonstrate the use of this framework to evaluate 40 state-of-the-art deepfake speech detectors under various conditions and data samples. We objectively compare these methods and identify the key attributes influencing performance the most. We also stress the issue of generalisation, as current detectors struggle to detect previously unseen deepfake speech samples or samples that have been modified. Finally, to strengthen the defence against synthetic audio content, we provide recommendations for improving the robustness of future detectors.

This paper explores the growing significance of vulnerability disclosure and bug bounty programs within the cybersecurity landscape, driven by regulatory changes in the European Union. The effectiveness of these programs relies heavily on the expertise of participants, presenting a challenge amid a shortage of skilled cybersecurity professionals, particularly in less sought-after sectors. To address this issue, the paper proposes a collaborative approach between academia and bug bounty issuers.

To keep up with the growing number of cyber-attacks and associated threats, there is an ever-increasing demand for cybersecurity professionals and new methods and technologies. Training new cybersecurity professionals is a challenging task due to the broad scope of the area. One particular field where there is a shortage of experts is Ethical Hacking. Due to its complexity, it often faces educational constraints. Recognizing these challenges, we propose a solution: integrating a real-world bug bounty programme into the cybersecurity curriculum. This innovative approach aims to fill the practical cybersecurity education gap and brings additional positive benefits.

In late 2022, OpenAI released a new version of ChatGPT, a sophisticated natural language processing system capable of holding natural conversations while preserving and responding to the context of the discussion. ChatGPT has exceeded expectations in its abilities, leading to extensive considerations of its potential applications and misuse. In this work, we evaluate the influence of ChatGPT on university education, with a primary focus on computer security-oriented specialization. We gather data regarding the effectiveness and usability of this tool for completing exams, programming assignments, and term papers. We evaluate multiple levels of tool misuse, ranging from utilizing it as a consultant to simply copying its outputs. While we demonstrate how easily ChatGPT can be used to cheat, we also discuss the potentially significant benefits to the educational system. For instance, it might be used as an aid (assistant) to discuss problems encountered while solving an assignment or to speed up the learning process. Ultimately, we discuss how computer science higher education should adapt to tools like ChatGPT.