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    • Anonymous Proxy

      Anonymous Proxy

      An anonymous proxy is a piece of software that protects web browsers’ privacy and anonymity from web site operators, Internet snoops, and even unfriendly governments. The anonymous proxy software resides on a proxy server. The web browser connects to the proxy server and the proxy server connects to the web server. The web server does

    • Personal RFID Tracking Units

      Personal RFID Tracking Units

      Personal RFID tracking units are personal tracking units that depend on RFID or Radio Frequency Identification technology. Personal RFID tracking units allow users to identify and locate objects and individuals within a specific facility or area. Although personal RFID tracking units are not as popular or as common as other forms of personal tracking units

    • How a Smart Card Reader Works

      How a Smart Card Reader Works

      Smart Card Readers are also known as card programmers (because they can write to a card), card terminals, card acceptance device (CAD), or an interface device (IFD). There is a slight difference between the card reader and the terminal. The term ‘reader’ is generally used to describe a unit that interfaces with a PC for

    • Certificate Authority

      Certificate Authority

      Certificate Authority or Certification Authority (CA) is an entity, which is core to many PKI (Public Key Infrastructure) schemes, whose purpose is to issue digital certificates to use by other parties. It exemplifies a trusted third party. Some certification authorities may charge a fee for their service while some other CAs are free. It is

    • Technologies That Can Help Protect Your Privacy

      Technologies That Can Help Protect Your Privacy

      In a previous article on privacy we’ve established what it is, how does digitally networking our world affect it, and in a nutshell, why should we care. We established that the best way to ensure your privacy is through technological means, and in this article I offer an overview of what such technologies are. What

    • How to Remove a Virus

      How to Remove a Virus

      A computer virus is designed to infect computer files through self-replication, and is able to infect other computers on its own. Viruses infect computers through boot sectors of portable drives, email attachments, other files, and by exploiting vulnerabilities in instant messaging and other real-time communication systems online. Not all computer viruses harm computers, but many

    • Known Ciphertext Attack

      Known Ciphertext Attack

      The known ciphertext attack, or ciphertext only attack (COA) is an attack method used in cryptanalysis when the attacker has access to a given set of ciphertext(s). The attacker does not have access to corresponding cleartext in this method; however, COA is successful when correspdonding plaintext can be determined from a given set of ciphertext.

    • Trojan Virus

      Trojan Virus

      A Trojan virus is a piece of software designed to look like a useful file or software program but performs a possibly nefarious function once installed on a client computer. The virus takes its name from the “Trojan Horse” from Greek mythology setup outside of the city of Troy. Trojan horse viruses differ from other

    • How to Change an AOL Password

      How to Change an AOL Password

      There are two circumstances that can cause someone to want to change his/her AOL password: 1) forgetting the AOL password and needing to recover it and 2)  to change the AOL password. The latter can be because the AOL password has leaked to someone or the user wants to adhere to the good practice of

    • Dictionary Attacks

      Dictionary Attacks

      A dictionary attack consists of trying “every word in the dictionary” as a possible password for an encrypted message. A dictionary attack is generally more efficient than a brute force attack because users typically choose poor passwords. Dictionary attacks are generally far less successful against systems that use passphrases instead of passwords. Improving Dictionary Attacks

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