How to spot a "fake order" scam A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn ...

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

移除個人電話號碼或電子郵件地址 使用網頁瀏覽器登入您的帳戶： Microsoft 帳戶 在 [帳戶] 畫面上，前往 [安全性] 區段，然後選取 [更新]。 我們會透過簡訊或電子郵件傳送安全代碼，以確認您是帳戶擁有者。請依照收到的指示輸入這個代碼。 在 [進階安全性選項] 區段中選取 [開始使用]。 在 [證明您 ...

If you sign in to your account while traveling or if you install a new app that signs in with your account, you may get an alert. We just need you to provide a security code so we know it was you, and that your account is safe.

Sign-in options Usage Guidelines URL: Privacy Policy URL: ...

請注意，Xbox 有各種隱私權和線上安全設定，您可以針對整個家庭進行管理。 如需深入了解，請參閱： 為什麼我無法變更隱私權設定？ 您隨時都可以舉報冒犯性訊息。 若要深入了解如何舉報 Xbox 訊息，請參閱： 舉報事件的價值 有關讓 Xbox 網路保持安全與友好環境的更多資訊，請參閱： Xbox 的社群 ...

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

In the Microsoft Store app: Close the Store app and reopen it, then try your purchase again. If that doesn't work, try to make your purchase from the Store using a web browser.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox). If you do need to replace your security information, make sure you add new information first. If you request removal of all security information in your account, the account is put into a restricted state for 30-days. Your information doesn't ...

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.