Interoperability between information systems for borders and security can help border and law enforcement officials thanks to fast and easy access to information about non-EU nationals entering the EU. However, as a new paper from the European Union Agency for Fundamental Rights (FRA) shows in addition to benefits, there are also fundamental rights risks. These include using data for some purpose other than the one were designed for, unlawful access to personal data, replicating incorrect data about a given person, and children being linked to immigration offences their parents committed.