Special data categories

Data that reveals a person's ethnic or racial origin, political opinions, religious or philosophical beliefs, trade union membership, genetic data, biometric data processed for the purpose of uniquely identifying a natural person, data concerning a natural person's health or sex life, or a natural person's sexual orientation.

Yes, as long as they are processed for the purpose of uniquely identifying or authenticating a natural person.

If you want to know more details about this issue, you can consult the CNS opinion 21/2020.

No, in general. The current criteria have greatly restricted the possibility of applying such an invasive measure as this, which is reduced to very exceptional cases.