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SIM swap scam. A SIM swap scam (also known as port-out scam, SIM splitting, [ 1] simjacking, and SIM swapping) [ 2] is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification in which the second factor or step is a text message (SMS) or call placed to a mobile telephone.
SIM swaps are often carried out through social engineering: A cybercriminal calls a cell phone provider such as T-Mobile and convinces an agent to transfer over the control of a phone number to a ...
As for how it happened, one member of the U.S.-based SIM-swapping gang, Emily Hernandez, walked into a Texas AT&T store and used a fake ID—one showing her picture but the name of an FTX employee ...
Overview. Mobile number portability is implemented in varying ways across the globe. The international and European standard implements "recipient-led" porting, in which a customer wishing to port a telephone number contacts the new network (recipient), which sends the number portability request (NPR) to the current network operator (donor).
A list of the top-level domains by the Internet Assigned Numbers Authority (IANA) is maintained at the Root Zone Database. [ 1 ] IANA also oversees the approval process for new proposed top-level domains for ICANN. As of April 2021, their root domain contains 1502 top-level domains. [ 2 ][ 3 ] As of March 2021, the IANA root database includes ...
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 ...
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Comparison of mobile phone standards; List of sovereign states by number of broadband Internet subscriptions; List of countries by number of Internet users; List of countries by number of telephone lines in use; List of countries by smartphone penetration; List of multiple-system operators; List of telephone operating companies