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  2. Technical support scam - Wikipedia

    en.wikipedia.org/wiki/Technical_support_scam

    Technical support scams rely on social engineering to persuade victims that their device is infected with malware. [15] [16] Scammers use a variety of confidence tricks to persuade the victim to install remote desktop software, with which the scammer can then take control of the victim's computer.

  3. Advance-fee scam - Wikipedia

    en.wikipedia.org/wiki/Advance-fee_scam

    An advance-fee scam is a form of fraud and is one of the most common types of confidence tricks. The scam typically involves promising the victim a significant share of a large sum of money, in return for a small up-front payment, which the fraudster claims will be used to obtain the large sum. [ 1 ][ 2 ] If a victim makes the payment, the ...

  4. NumberGuru - Wikipedia

    en.wikipedia.org/wiki/NumberGuru

    NumberGuru. NumberGuru is a website and smartphone application that allows users to look up the owner of an entered telephone number. Developed by BeenVerified, it can be accessed through its website and smartphone applications for iPhone, Windows Mobile, and Android. [2] It aggregates 99% of landline phones and approximately 50% of domestic ...

  5. This Facebook scam cost one man $50,000 - AOL

    www.aol.com/article/2016/02/26/this-facebook...

    This Facebook scam cost one man $50,000. Whether it's a coupon scam, a phone scam, a lottery scam or something else, there are people out there who want to steal your money. When you hear the ...

  6. Social engineering (security) - Wikipedia

    en.wikipedia.org/wiki/Social_engineering_(security)

    OPSEC alert. In the context of information security, social engineering is the psychological manipulation of people into performing actions or divulging confidential information. A type of confidence trick for the purpose of information gathering, fraud, or system access, it differs from a traditional "con" in the sense that it is often one of ...

  7. Credit card fraud - Wikipedia

    en.wikipedia.org/wiki/Credit_card_fraud

    A fake automated teller slot used for "skimming". Credit card fraud is an inclusive term for fraud committed using a payment card, such as a credit card or debit card. [1] The purpose may be to obtain goods or services or to make payment to another account, which is controlled by a criminal. The Payment Card Industry Data Security Standard (PCI ...

  8. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    In the United States a longer duty cycle is used, 50% for battery-powered buoys (20 seconds on, 20 seconds off) and 75% for on-shore beacons. Ramarks are wide-band beacons which transmit continuously on the radar bands without having to be triggered by an incoming radar signal. The transmission forms a line of Morse characters on the display ...

  9. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...