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  2. Telegram’s peer-to-peer SMS login service is a privacy ...

    techcrunch.com/2024/03/25/telegrams-peer-to-peer...

    Telegram’s peer-to-peer SMS login service is a privacy nightmare ... for allowing the instant messaging app to utilize their phone number as a relay for sending one-time SMS passwords to other ...

  3. One-time password - Wikipedia

    en.wikipedia.org/wiki/One-time_password

    A one-time password ( OTP ), also known as a one-time PIN, one-time passcode, one-time authorization code ( OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device. OTPs avoid several shortcomings that are associated with traditional (static) password-based ...

  4. Telegram is auctioning phone numbers to let users sign up to ...

    techcrunch.com/2022/12/07/telegram-is-auctioning...

    You can buy a random number for as low as nine toncoins, which is equivalent to roughly $16.50 at the time of writing. Some of the premium virtual numbers — such as +888-8-888 — are selling ...

  5. Cybersecurity 101: How to protect your cell phone number and ...

    techcrunch.com/2018/12/25/cybersecurity-101...

    What you can do to protect your phone number. Just like you can apply two-factor authentication to your online accounts, you can add a secondary security code to your cell phone account, too. You ...

  6. SMS - Wikipedia

    en.wikipedia.org/wiki/SMS

    An SMS message written on a Motorola Razr V3. Short Message Service, commonly abbreviated as SMS, is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks.

  7. Short Message service center - Wikipedia

    en.wikipedia.org/wiki/Short_message_service_center

    A Short Message Service Center ( SMSC) is a network element in the mobile telephone network. Its purpose is to store, forward, convert and deliver Short Message Service (SMS) messages. The full designation of an SMSC according to 3GPP is Short Message Service - Service Center (SMS-SC).

  8. Add or disable 2-step verification for extra security - AOL Help

    help.aol.com/articles/2-step-verification...

    Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Add or disable 2-step verification for extra security. Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a ...

  9. Fix problems signing into your AOL account - AOL Help

    help.aol.com/articles/help-signing-in

    Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Having trouble signing in? Find out how to identify and correct common sign-in issues like problems with your username and password, account locks, looping logins, and other account access errors.