sent via an extranet could be intercepted in its transit; Viruses and Trojans accidentally downloaded by employees and been spread around the LAN. Solutions to these threats are; WiFi protected access (WPA) password and hide the network; ICTs should be protected with a login screen for the users; To secure an extranet, organisations should use a virtual private network (VPN); Any organisation should provide basic training in how to detect viruses and Trojans. This is a proactive way to prevent an infection
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Computer crime Computer Crime Definition A computer crime is any illegal action where the data on a computer is accessed without permission. This access doesn't have to result in loss of data or even data modifications. Arguably the worst computer crime occurs when there are no indications that data was accessed. Computer crime is often attributed to rogue hackers and crackers, but increasingly organized crime groups have realized the relative ease of stealing data with relative low-level of risk
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software ( malware) such as viruses, worms, and Trojan horses. Although the problem is not new, Internet growth and weak system security have evidently increased the risks. Viruses and worms survive by moving from computer to computer. Prior to the Internet, computers (and viruses!) communicated relatively slowly, mostly through floppy disks and bulletin boards. Antivirus programs were initially fairly effective at blocking known types of malware entering personal computers, especially when there were
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1- In class I learned variety of different things. In this second week, I learned new vocabularies words and how to safeguard and protect information in a computer. During the class lecture, I learned that having proper management will help to protect better the data or information uses by an organization. Also, I learned that there is a bunch of different attacks that can exploits the vulnerability of a computer’s system. Attacks are ways in which threats are manifested. Threat can be an object
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IT for Decision Makers NETWORKING AND SECURITY ISSUES Handout 1 Overview Introduction Many organizations have invested vast amount of money in computer networks, only to find out that although it is providing means of improving the efficiency and productivity of the organization but it also exposes the Organization to possible attacks and threats. Such attacks have been the most challenging issue for most network administrators and a worrying topic for administrators. Organizations
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will protect the computer from malicious software and viruses. Malicious software is self-replicating so that anti-virus protection is used to stop this kind of software replicating. A virus will make the computer shut down, so anti-virus protection is put in place to prevent this from happening. There are different forms of viruses which anti-virus software prevents; these include adwok, malware and worms. Adwok are advertisements which users may see on websites they visit, for example you may visit
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Computer crime better known as Cybercrime refers to any crime that involves a computer and a network. Cybercrime may happen anywhere on the internet such as the chat room, email, notice groups, and even mobile phones. Technology is becoming so advance and more common that there are so many people who will take a chance to commit crimes that involve technology. It is so hard for the police to crack these type of cases, luckily there are people fighting computer crimes and federal
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Vysottsky created a game called CoreWar, based on the theory of Von Neumann and in which programs fought between each other, trying to occupy as much memory as possible and eliminating opposing programs. This game is considered the precursor to computer viruses. In 1972, Robert Thomas Morris created the first virus as such: Creeper, which could infect IBM 360 on the ARPANET (the predecessor of the Internet) and show an on-screen message saying “I’m the creeper, catch me if you can”. To eliminate it
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Security Basics Lab 7: Security Basics Task 1: Software: We offer solutions to fit all of your security needs. | Free Antivirus + Firewall | Internet Security Suite | Extreme Security | Antivirus/Anti-Spyware EngineDetects and blocks viruses, spyware, Trojan horses, worms, bots, and rootkits. | | | | Two-Way FirewallMakes your PC invisible to hackers and stops spyware from sending your data out to the Internet. | | | | Advanced FirewallMonitors programs for suspicious behavior
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Threats to Computer Security Source: An Introduction to Computer Security: The NIST Handbook National Institute of Standards and Technology Technology Administration U.S. Department of Commerce Special Publication 800-12 Computer systems are vulnerable to many threats that can inflict various types of damage resulting in significant losses. This damage can range from errors harming database integrity to fires destroying entire computer centers. Losses can stem, for example, from the actions of supposedly
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