Of the activities outlined by Andriy Slynchuk in their article “11 Illegal Things You Unknowingly Do on the Internet,” I believe that sharing of others’ private information, cyberbullying, recording VoIP calls without consent, falsifying your identity, and collecting information about minors to be the five most serious offenses. These activities are the ones which, in my view, most actively harm individuals and privacy, even those which can be performed without malice.