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  2. Unstructured Supplementary Service Data - Wikipedia

    en.wikipedia.org/wiki/Unstructured_Supplementary...

    USSD can also be used to refill the balance on the user's SIM card and to deliver one-time passwords or PIN codes. Some operators use USSD to provide access to real-time updates from social-networking websites including Facebook and Twitter. [3] Between 2012 and 2018, the Wikipedia Zero project provided access to Wikipedia articles via USSD. [4]

  3. 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.

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

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

    A SIM swap is a type of fraud where scammers trick a mobile carrier into transferring a victim’s phone number to a device they control. This can be done by calling the company and impersonating ...

  5. One Tech Tip: Protecting yourself against SIM swapping - AOL

    www.aol.com/news/one-tech-tip-protecting...

    The FBI Internet Crime Complaint Center reports that SIM-swapping complaints have increased more than 400% from 2018 to 2021, with associated personal losses estimated to be more than $68 million.

  6. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  7. SEC blames ‘SIM swap’ attack for disastrous X hack ... - AOL

    www.aol.com/finance/sec-blames-sim-swap-attack...

    In a statement shared with Fortune, an SEC spokesperson said the agency was the victim of a "SIM swap" attack—a technique in which cybercriminals convince mobile carriers to transfer phone ...

  8. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    sim card of the new mobile company that will cost around 15 PEN. United States: 2003.11.24 0 Free iconectiv manages the Number Portability Administration Center (NPAC), the largest number portability system in the world. Consisting of seven regional systems, the NPAC facilitates number porting across all Service Providers in the United States.

  9. Vodacom - Wikipedia

    en.wikipedia.org/wiki/Vodacom

    Vodacom South Africa provides 3G, 4G, and UMTS networks in South Africa, and also offers HSPA+ (21.1 Mbit/s), HSUPA (42 Mbit/s, 2100 MHz), Wi-Fi, WiMAX, and LTE services. Vodacom was the first cellular provider to introduce LTE in South Africa. [12] On 21 October 2015, Vodacom launched its fibre product to the home user. [13]