Situations: what to do about suspicious calls and messages
An unknown number is calling, someone messages you on WhatsApp, or you get an SMS with a link. Pick your situation and we walk you through what to do.
An unknown number is calling me: what to do step by stepYou keep getting calls from a number you do not recognise. Learn how to identify the caller, verify the number before answering, and protect yourself from spam.They call and hang up: why it happens and what to doYou get calls that hang up instantly, sometimes in a loop. Find out whether it is a call centre, an active-line check, or a scam attempt.A hidden number is calling me: what it means and what to doYour phone shows "hidden number" or "unknown" on an incoming call. Understand who can call with a hidden number and how to protect yourself.SMS from a stranger with a link: how to tell if it is a scamYou get an unexpected SMS with a link: a parcel, your bank, or a fine. Learn how to spot smishing before you tap.A stranger messages me on WhatsApp: how to verify itA number you do not have saved messages you on WhatsApp: job offers, a "child" with a new number, or prizes. Verify before replying.
電話番号または会社名（NTT、NTT docomo、au（KDDI） など）を検索して、迷惑電話として報告されていないか確認しましょう。