Examining Andriy Slynchuk’s insights into potentially illegal activities by Internet users, five particularly severe violations draw attention. Firstly, identity theft through phishing and impersonation poses a serious threat, jeopardizing personal privacy and potentially leading to financial ruin. Secondly, the distribution of counterfeit goods and fraudulent services online not only deceives consumers but also undermines the integrity of e-commerce platforms. Thirdly, engaging in online hate speech and cyberbullying stands out as a grave offense due to its potential for causing significant emotional and psychological harm to individuals. Fourthly, spreading disinformation and engaging in online propaganda campaigns can have far-reaching societal consequences, influencing public opinion and distorting democratic processes. Lastly, involvement in online child exploitation and trafficking is an egregious violation with severe legal implications, reflecting a deeply disturbing threat to vulnerable individuals. These offenses are considered serious due to their capacity to inflict substantial harm, ranging from financial and emotional devastation to the erosion of societal trust and the compromise of democratic principles.