Swiss surveillance law falls short on rights. Who protects confidential conversations?

Switzerland must change the legal rules governing the surveillance of cross-border communications. In December 2025, the Federal Administrative Court found that the existing framework was incompatible with the Federal Constitution and the European Convention on Human Rights. At issue is the intelligence service’s interception of radio and cable communications. Almost ten months later, a fundamental question remains: how can the state identify threats early without leaving particularly sensitive exchanges inadequately protected?

The stakes are high for people who depend on professional secrecy or the protection of confidential contacts: doctors, lawyers and journalists. But their patients, clients and informants are affected too. Protecting these relationships is not a narrow concern for a handful of professions. It matters to anyone who needs to share personal information and trust that it will remain private.

How cross-border surveillance works

The Intelligence Service Act calls these procedures radio and cable intelligence gathering. They involve searching cross-border information flows carried through cable networks or electromagnetic waves, using search terms. These are streams of data travelling from Switzerland abroad, or in the opposite direction. The aim is to identify dangers to Switzerland as early as possible.

Unlike surveillance based on a specific suspicion about a particular person, this approach starts with large flows of communications. Searches cover a broad pool of data. That is precisely where the conflict with fundamental rights arises: those flows can also contain information belonging to people who have nothing to do with any security threat.

For residents of Switzerland, another point matters. Digital communications do not necessarily stay within the country simply because everyone taking part is physically in Switzerland. Internet services frequently use infrastructure abroad. A message crossing a national border therefore says little, in itself, about how closely it is connected to everyday life within Switzerland.

Why professional confidentiality needs particular protection

Someone describing symptoms to a doctor or discussing a legal dispute with a lawyer often discloses information they would not want anyone else to know. Confidentiality makes an open consultation possible. It is not merely a personal preference: it is a condition that allows these professions to perform their role.

Journalistic investigations raise a different but equally sensitive concern: protecting people who expose wrongdoing. If those contacts cannot rely on confidentiality, they may become less willing to pass on information. Ultimately, that can affect public scrutiny of authorities, businesses and other powerful institutions.

This does not mean that every intercepted communication is actually read or used against someone. The crucial issue is what legal limits and safeguards apply from the outset, when information is collected, selected and subsequently processed. The ability to extract sensitive information from a large stream of data raises different questions from targeted access in an individual case.

Nor can professionally confidential exchanges simply be identified by the route they take. A private message can use exactly the same technical infrastructure as a trivial one. Effective legislation must account for that reality, rather than allowing protection to depend on the chance circumstances of how data travels.

A court ruling with political consequences

The Federal Administrative Court’s finding gives this debate a clear legal dimension. The issue is not simply whether a political majority considers surveillance powers useful. Even a measure justified on national security grounds must meet the requirements of the Constitution and the European Convention on Human Rights. The purpose of preventing threats does not remove the need for that assessment.

Denis Masmejan, secretary-general of the Swiss section of Reporters Without Borders, is calling for swift changes. He argues that there is too little sense of urgency in federal political circles in Bern. That is a political assessment of the response to the ruling. The legal starting point, however, is the court’s finding that the existing framework is incompatible with higher-ranking law.

For the Federal Council, Switzerland’s government, and parliament, the challenge is to bring security interests and fundamental rights together in a workable legal framework. This need not amount to a simple choice between intelligence gathering and privacy. The decisive questions are under what conditions such surveillance can be lawful, and how communications requiring particular protection can be effectively safeguarded.

The distinction matters beyond the professions most directly involved. For people living in Switzerland, the debate concerns whether the confidential relationships on which they rely are adequately protected when their communications become part of wider digital traffic.

What meaningful changes must achieve

For the public, what counts is not just whether the law changes, but what those changes actually protect. Clear rules must set understandable limits on the intrusions that are permitted. It is equally important that compliance with those limits can be effectively checked. A general assurance of confidentiality alone will not resolve the conflict.

No specific timetable for correcting the law can be given here. The task itself, however, is clear: the legal framework must be brought into line with fundamental rights. Until then, the protection of professional confidentiality remains a central test of Swiss intelligence policy — and a matter extending far beyond the doctors, lawyers and journalists immediately concerned.