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  2. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.

  3. John Titor - Wikipedia

    en.wikipedia.org/wiki/John_Titor

    Titor's purported military insignia. John Titor and TimeTravel_0 are pseudonyms used on internet forums between 2000 and 2001 by an individual claiming to be an American military time traveler from the year 2036. [1][2] His posts discussed various aspects of time travel, and described future calamitous events, including a global nuclear war.

  4. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    In mathematics and computing, the hexadecimal (also base-16 or simply hex) numeral system is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 ...

  5. List of XML and HTML character entity references - Wikipedia

    en.wikipedia.org/wiki/List_of_XML_and_HTML...

    In HTML and XML, a numeric character reference refers to a character by its Universal Character Set / Unicode code point, and uses the format: &#xhhhh; or. &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form. The hhhh (or nnnn) may be any number of ...

  6. Identity theft - Wikipedia

    en.wikipedia.org/wiki/Identity_theft

    The IRS rejects the return as a duplicate. Identity theft, identity piracy or identity infringement occurs when someone uses another's personal identifying information, like their name, identifying number, or credit card number, without their permission, to commit fraud or other crimes. The term identity theft was coined in 1964. [1]

  7. Identity fraud - Wikipedia

    en.wikipedia.org/wiki/Identity_fraud

    One case of identity theft was the 2011 hacking of the PlayStation Network, when personal and credit card information of 77 million accounts were stolen. The unauthorized use of a stolen credit card is commonly not considered identity fraud, but may be considered consumer fraud. The use of fake names, ID cards, falsified or forged documents ...

  8. SIM swap scam - Wikipedia

    en.wikipedia.org/wiki/SIM_swap_scam

    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.

  9. Cybercrime - Wikipedia

    en.wikipedia.org/wiki/Cybercrime

    Cybercrime encompasses a wide range of criminal activities that are carried out using digital devices and/or networks. These crimes involve the use of technology to commit fraud, identity theft, data breaches, computer viruses, scams, and expanded upon in other malicious acts. Cybercriminals exploit vulnerabilities in computer systems and ...