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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.
Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, desktops / laptops, or another type of compatible computer. Text messages may be sent over a cellular network or may also be sent via satellite or Internet ...
It drops support for iPhones with an A11 Bionic [b] SoC, officially marking the end of support for iPhones with a 5.5-inch display. iOS 17 is the first version of iOS to drop support for an iPhone with Face ID and no Home button. The iPhone SE (2nd and 3rd generations) are the only supported devices to feature Touch ID and the Home button.
Concatenated SMS. In the cellular phone industry, mobile phones and their networks sometimes support concatenated short message service (or concatenated SMS) to overcome the limitation on the number of characters that can be sent in a single SMS text message transmission (which is usually 160). Using this method, long messages are split into ...
The emergency telephone number is a special case in the country's telephone number plan. In the past, calls to the emergency telephone number were often routed over special dedicated circuits. Though with the advent of electronic exchanges these calls are now often mixed with ordinary telephone traffic, they still may be able to access circuits ...
Emergency text messaging services. Emergency text messaging services are a technology that enables emergency call operators to receive text messages. [ 1] Its use is encouraged for people with hearing impairment or who have trouble speaking; it can also be used for situations when calling may pose a safety risk, such as a home invasion or ...
Intercept message. An intercept message is a telephone recording informing the caller that the call cannot be completed, for any of a number of reasons ranging from local congestion, to disconnection of the destination phone, number dial errors or network trouble along the route.
Voice phishing, or vishing, [ 1] is the use of telephony (often Voice over IP telephony) to conduct phishing attacks. Landline telephone services have traditionally been trustworthy; terminated in physical locations known to the telephone company, and associated with a bill-payer. Now however, vishing fraudsters often use modern Voice over IP ...