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    • 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

    • Cisco Password Recovery

      Cisco Password Recovery

      “Physical access to a computer or router usually gives a sophisticated user complete control over the device. Software security measures can often be circumvented when access to the hardware is not controlled.” — Cisco Systems, Inc. Recovering the passwords for most Cisco devices via the console port is very simple. However, Cisco has purchased so

    • How to Remove the Generic.dx Trojan

      How to Remove the Generic.dx Trojan

      Generic.dx is a rather common trojan virus that infects the computer and weakens its security in order to allow other viruses and malicious software to infect the computer. It enters the computer via an email that the user opens, a website he/she visits, or a third party software that he/she downloads and installs. Generic.dx trojans

    • TP Link Default Password

      TP Link Default Password

      TP Link is large manufacturer of networking products that boasts tens of millions of customers worldwide. TP Link produces thousands of networking products, including modems, routers, and network storage devices. TP Link also markets a number of USB based modem cards, device emulators, and service packages for a variety of cellular and Internet providers. TP

    • RC4 (Rivest Cipher 4)

      RC4 (Rivest Cipher 4)

      RC4 is one of the most used software-based stream ciphers in the world. The cipher is included in popular Internet protocols such as SSL (Secure Sockets Layer) and WEP (for wireless network security). The cipher is fairly simplistic when compared to competing algorithms of the same strength and boasts one of the fastest speeds of

    • Brute Force Attack

      Brute Force Attack

      A brute force attack consists of trying every possible code, combination, or password until the right one is found. Determining the Difficulty of a Brute Force Attack The difficulty of a brute force attack depends on several factors, such as: How long can the key be? How many possible values can each key component have?

    • How to Remove the “My Web Search” Toolbar

      How to Remove the “My Web Search” Toolbar

      My Web Search is a malware toolbar distributed by Mindspark Interactive Network via their extensive network of spam sites, most of which are targeted towards young people.  This rapidly expanding list of sites includes Zwinky, Zwinky Cuties, GirlSense, Webfetti, Kazula, iWon, SmileyCentral, MyFunCards, CursorMania, and CardBoiled. These sites trick people, mainly children, into installing the

    • Why People Write Computer Viruses?

      Why People Write Computer Viruses?

      We hear about new computer viruses all the time. What is the motivation behind developing computer viruses and watching them wreak havoc on the Internet? Fact Gathering Many viruses raid your documents including your email address book for information that can be used to make business contacts. This data is assembled into a database that

    • How to Change a Password

      How to Change a Password

      There are various scenarios in which a password needs to be used. A feature that goes hand-in-hand with password use is the ability to change or reset it. The need to change a password arises predominantly for two reasons: 1) as a means of maintaining high security by regularly changing the password so that unauthorized

    • Chosen Plaintext Attack

      Chosen Plaintext Attack

      A chosen plaintext attack is an attack where the cryptanalyst is able to define his own plaintext, feed it into the cipher, and analyze the resulting ciphertext. Mounting a chosen plaintext attack requires the cryptanalyst to be able to send data of his choice into the device which is doing the encryption, and it requires

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