The national security office, which acts as supervisory entity for trust services under Portugal's eIDAS decree-law.
What they do
Under Decreto-Lei n.º 12/2021 it prepares and manages the trust lists (Art. 6). The CNCS describes it as the sectoral cybersecurity authority for trust services in electronic transactions. Its own site lists accreditation and certification of information systems and security-clearance services.
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