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    What is a protected SMS sender ID in Finland?

    Why a bank name on a text is harder to fake now.

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    Short answer

    Many text messages show a name instead of a number, for example the name of a bank or a delivery company. Traficom keeps a register of protected sender IDs, and operators must check that the sender is allowed to use the name. A revised Traficom regulation took effect on 4 May 2026 and made sender identification stricter. From 2 November 2026, messages sent with an unauthorised sender ID are labelled as spam or blocked.

    Practical: communication, money, services

    Why

    1. Traficom says its revised regulation entered into force on 4 May 2026.
    2. Traficom says that from 2 November 2026 unauthorised sender IDs are labelled spam or blocked.
    3. NCSC-FI notes that Traficom started registering protected SMS sender IDs as part of anti-scam work.

    Details

    The rules make fake sender names harder, but a scam can still come from an ordinary number or a messaging app. Judge the content, not only the sender.

    Tip

    Do not open links in texts asking you to log in. Go to the service's website or app yourself.

    What may differ

    Messages from foreign senders to a Finnish number may be handled differently from those of Finnish organisations.

    Common misconception

    A text that shows a bank's name always comes from the bank.

    What actually happens

    Registration makes faking harder, but scammers also use other channels. Stay careful with links.

    People also ask

    • What does Roskaposti mean on a text message?
    • How do you report a scam message in Finland?
    • Can a scam call from abroad show a Finnish number?

    Sources

    This answer is for reference only. Prices and terms of mobile plans are set by each operator, so check them with your own operator.

    Practical: communication, money, services
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