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2. SIM swap scam - Wikipedia

   en.wikipedia.org/wiki/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.

3. 'This could happen to anybody': California man says a hacker ...

   www.aol.com/finance/could-happen-anybody...

   Access to his cell service wasn’t the only thing Chan says he lost. A letter shared with ABC 10 News shows three wire transfers totaling $38,000 from a Bank of America account. ... A SIM swap is ...

4. 9 ways scammers can use your phone number to try to trick you

   www.aol.com/news/9-ways-scammers-phone-number...

   SIM swapping or a port-out scam is when scammers transfer your phone number to a new SIM card in their possession. By convincing your mobile carrier to reroute your number, they can receive all ...

5. Mobile number portability - Wikipedia

   en.wikipedia.org/wiki/Mobile_number_portability

   Previously the service was handled by iconectiv and Neoris. [22] Paraguay: 2012.11.30 Up to 8 working days Free MNP can take up to 8 working days but usually takes no longer than 1–2 working days. Switching occurs between 1 am and 5 am. Peru: 2010.01.01 7–9 Free sim card of the new mobile company that will cost around 15 PEN. United States

6. Opinion - Happy holidays? Only if you don’t need customer ...

   www.aol.com/opinion-happy-holidays-only-don...

   Fox Business quotes customer service consultant Amas Tenumah, who observes that “‘customer service has been deteriorating in the U.S. for decades due to companies’ cost-cutting measures.’”

7. GSM services - Wikipedia

   en.wikipedia.org/wiki/GSM_services

   Every SIM card contains a secret key, called the Ki, which is used to provide authentication and encryption services. This is useful to prevent theft of service, and also to prevent "over the air" snooping of a user's activity. The network does this by utilising the Authentication Center and is accomplished without transmitting the key directly.

8. Local number portability - Wikipedia

   en.wikipedia.org/wiki/Local_number_portability

   Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for mobile phone lines, refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier ("service provider portability"), move it to another location ("geographic portability"), or ...

9. Transaction authentication number - Wikipedia

   en.wikipedia.org/wiki/Transaction_authentication...

   In-between obtaining the cloned/replacement SIM and the victim noticing their phone no longer works, the attacker can transfer/extract the victim's funds from their accounts. [7] In 2016 a study was conducted on SIM Swap Fraud by a social engineer, revealing weaknesses in issuing porting numbers.