loss‚ the effects can be long lasting and even devastating to a business. Malicious software‚ referred to as malware‚ can contain a variety of threats‚ from data loss to system failures. There are several types of worms‚ viruses‚ Trojan horses and spyware‚ which can be delivered in a variety of ways. Computer viruses are a type of software or executable file that attaches itself to other programs to be uses. Viruses can cause system failures‚ rewrite hard drives‚ or destroy files and programs. Worms
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need to do to help protect your information. I believe that in order for me to know that my CPU isn’t properly working I need to know everything thing about it. If I notice that my CPU isn’t running its normal speed I would run a scan to check for spyware‚ ad aware‚ or viruses all of those will have a major impact on the performance of a computer. I check my performance log daily to monitor my CPU Usage and how many processes are running. If I notice that my CPU Usage is up to 85 or 95% when I know
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Viruses: A computer virus is a computer program that can replicate itself and spread from one computer to another. The term "virus" is also commonly‚ but erroneously‚ used to refer to other types of malware‚ including but not limited to adware and spyware programs that do not have a reproductive ability. Viruses can damage and/or decrease the performance of the machine they “infect”. Phishing: Phishing is the act of attempting to acquire information such as usernames‚ passwords‚ and credit card details
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1.0 Introduction – Information Technology is vital to every business today‚ since most businesses today are linked together with high speed broadband networks‚ high definition screens; superfast computers only make them a treat for a user. So‚ if the IT fails the businesses suffer huge losses in a matter of minutes for e.g. the London stock exchange has an IT failure it could possibly mean a loss of thousands of pounds every fraction of a second. Every Risk no matter how big or small is a potential
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[pic] Internet Security: Problems & Solutions Table of contents: Introduction: 3 Internet Vulnerabilities and Threats: 3 • Digitial “Eavesdropping” or Password sniffing 3 • Denial of Service (DoS) 4 • Viruses 5 • Trojans 5 • Spyware 6 Security solutions: 7 • Passwords 7 • Security Token 7 • Antivirus software 8 Conclusion: 8 References: 9 Introduction: “The Internet is a global network of interconnected computers‚ enabling users to share information along multiple
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may use this to their advantage by allowing someone to download through a sharing program and have malware hidden within its contents. This method is known as drive-by downloads. The malware hidden may be anything from a virus‚ a worm‚ adware or spyware. “Torrents” are infamous for having pirated files and having other hidden contents within the file. Another form of attack used to have malware installed is pop-up downloads. They are being more widely used. When a website is visited‚ a pop-up message
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Baldeo Persaud NT 1230 Unit 5 Problem Set 1 Matching Complete the following exercise by matching the terms with their corresponding definitions. a. automated password guessing b. Windows authorization mechanism c. passwords plus smartcards d. stored in a digital certificate e. standard for smart card support f. decrypts data encrypted with a certificate g. firewall exceptions h. standard for fingerprint scanners and other devices i. potentially destructive software j. firewall rule requiring IPsec
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What is antivirus? “Antivirus" is protective software designed to defend your computer against malicious software. History of antivirus Most of the computer viruses written in the early and mid 1980s had no specific damage routine built into the code. By changing the program its become dangerous and infect computers. The first removal of virus was performed by Bernd Fix in 1987. Another two antivirus G-data and UVK-2000 was developed in 1987. Fred Cohen published first academic papers on computer
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This paper will discuss methods to address client security issues. It will include ways that a Website can be attacked by malicious users. It will discuss how Java script insertion‚ SQL insertion‚ hidden field manipulation‚ header manipulation‚ and cookies may be used by malicious users. It will discuss how worms and viruses can be introduced to a Website‚ and the most common method to ensure client security. SQL Insertion Attacks SQL injection is a type attack where harmful code is attached to
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biometric authentication are used to authenticate systems users. Antivirus software checks computer systems for infections by viruses and worms and often eliminates the malicious software‚ while antispyware software combats intrusive and harmful spyware programs. Encryption‚ the coding and scrambling of messages‚ is a widely used technology for securing electronic transmissions over unprotected networks. Digital certificates combined with public key encryption provide further protection of electronic
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