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  2. Personal unblocking key - Wikipedia

    en.wikipedia.org/wiki/Personal_unblocking_key

    A personal unblocking key ( PUK ), sometimes called personal unblocking code ( PUC ), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. Most mobile phones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is required to enter a ...

  3. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    A card security code ( CSC; also known as CVC, CVV, or several other names) is a series of numbers that, in addition to the bank card number, is printed (but not embossed) on a credit or debit card. The CSC is used as a security feature for card not present transactions, where a personal identification number (PIN) cannot be manually entered by ...

  4. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    For PIN code in Indian addresses, see Postal Index Number. A personal identification number ( PIN ), PIN code, or sometimes redundantly a PIN number, is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between ...

  5. How to turn on Stolen Device Protection on your iPhone to ...

    www.engadget.com/how-to-turn-on-stolen-device...

    Once you’re running (at least) iOS 17.3, do the following on your iPhone: Open the Settings app. Scroll down and tap Face ID & Passcode (it will be called Touch ID & Passcode on older models and ...

  6. Uber's latest safety solution is a PIN code for your ride

    www.engadget.com/2020-01-07-uber-pin-code...

    Enable the feature in your settings and you can require PIN verification for every ride, or just for night trips (9PM to 6AM). The trip won't officially start until the driver enters the code. The ...

  7. Now you can unlock Chrome OS with a PIN code - Engadget

    www.engadget.com/2016-08-19-unlock-chrome-os...

    Sure, it's far easier to plug in a PIN instead of whatever you've set as your Chrome OS password, and possibly more secure than using a nearby Android phone for Smart Lock.But you're also not ...

  8. National identification number - Wikipedia

    en.wikipedia.org/wiki/National_identification_number

    The identification number has 8-digit standard format: NNNNNNN (N), where N is a numeric digit 0–9. The first numeric digit N has special meaning, and it can be one of the following digits: '1', '5' or '7'. '1': The first-time date of issuance of ID card to the bearer was 1992 or later.

  9. How two-factor authentication can protect you from account ...

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

    If you find passwords frustrating, two-factor authentication probably won’t get much love.But security experts say using two-factor authentication is one of the best ways to protect your online ...