Minutes count. Speed matters more than anything here.

Check the sent folder too

Whoever used the code may have messaged from the account already.

Call your provider's fraud line as well, the same day.

コードを教えた

SMSやメールで届いたログインコード

1Change the password now. Start with the account the code unlocked, then anywhere you reused it. Check what has already leaked.

2Turn on the extra login step. A code from an app is safer than a code by text, because texts can be stolen.

3Check recent activity. Logins, transfers, changed email addresses, new email forwarding.

最初に書いた人 Lauren
良くしてくれた人 1 人
Jul 2026

あなたに役立ったことは何ですか。一言二言が次の誰かの助けになります。

手順に迷ったり、状況に合わないと感じたら、聞いてください。一緒に確認します。