Governments in Europe are gearing up to increase their bulk surveillance capabilities. One check on their ambitions is the European Convention on Human Rights. In this piece, I want to highlight recent jurisprudence from the European Court of Human Rights (ECtHR), and interpret the case law in light of current cybersecurity and AI developments. This interpretation may have relevance for future evaluations of SIGINT and other bulk data collection programs. Because what seemed reasonable a few yea...