1) Construct networks using different types of network devices HUB Hub is one of the basic icons of networking devices which works at physical layer and hence connect networking devices physically together. Hubs are fundamentally used in networks that use twisted pair cabling to connect devices. They are designed to transmit the packets to the other appended devices without altering any of the transmitted packets received. They act as pathways to direct electrical signals to travel along. They
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Going back to the origin of viruses, it was in 1949 that Mathematician John Von Neumann described self-replicating programs which could resemble computer viruses as they are known today. However, it was not until the 60s that we find the predecessor of current viruses. In that decade, a group of programmers developed a game called Core Wars, which could reproduce every time it was run, and even saturate the memory of other players' computers. The creators of this peculiar game also created the first
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Mobile Device Attacks and Their Effect on Your Personal Privacy CIS 4680- Security Issues Paper (Group 6) Over the last decade, smartphones have become more and more popular as the new handheld PC. With its processing power catching up with the PC, it brings much convenience to people’s daily life from fast access to latest information to efficient financial activities. However, with this increase in use of these functions, more security threats have aroused surrounding smartphones. As the mobile
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[pic] Password Security And Other Effective Authentication Methods [pic] Table of Contents Introduction 1 User Accounts 1 Account and Password Policy 2 Password Attacks 4 Authentication Methods and Password Management 5 Public Key Infrastructure 6 Single Sign-On (SSO) 6 One-Time Password (OTP) Tokens 7 Biometrics 7 Fingerprints 7 Face Scans 7 Retina Scans 7 Iris Scans 7 Palm Scans 8 Hand Geometry 8 Heart Patterns 8 Voice Pattern Recognition 8
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1. What is one Thing that a virus, a worm, spyware, and malicious code have in common? What are the differences among these four threats: They are all created to create a threat to the security of you system. A virus – A small program designed to infect your computer and cause errors, computer crashes, and even destroy your computer hardware A worm – Software applications designed to spread via computer networks Spyware – Tracking software that hides itself (runs in the background) and gathers
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Internet Security. Abstract Online users today are faced with multitude of problems and issues. A typical online user is vulnerable to virus, worms, bugs, Trojan horses etc.; he/she is also exposed to sniffers, spoofing their private sessions; and they are also vulnerable to phishing of financial information. Not only this but users are also constantly subjected to invasion of privacy with the multitude of spy ware available for monitoring their surfing behaviours. If this is not all, users are
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Internet has made a massive explosion in the present world. In every sphere of life internet is being used. The world is going online through different services and communication. In the online world two vital factors are social networking and Virtual learning environment. Below those are described. Social Networking Hewson, et al., [1] asserts that social networking may be considered as an internet based social platform which allows people to make connection and communication with each other
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described and examples are provided. These classes are (1) human error, (2) user abuse of authority, (3) direct probing, (4) probing with malicious software, (5) direct penetration, and (6) subversion of security mechanism. The roles of Trojan horses, viruses, worms, bombs, and other kinds of malicious software are described and examples provided. In the past few decades, we have seen the implementation of myriads of computer systems of all sizes and their interconnection over computer networks. These
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NT2580 Introduction to Information Security STUDENT COPY: FINAL EXAM 30. What does risk management directly affect? a. Company investments b. Security policy framework c. Security controls d. Number of employees 31. Which of the following is a cipher that shifts each letter in the English alphabet a fixed number of? Positions, with Z wrapping back to A? a. Transposition b. Vigenere c. Caesar d. Vernam 32. Identify a security objective that adds value to a business. a. Revocation
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The LAN-to-WAN domain is used to provide internet access for an entire organization and is actually the entry point of the Wide Area Network (WAN). This domain is the IT infrastructure where all the data moves in and out of the organization (Mansfield, 2010). There are many risks and threats that are associated with this domain since an attack can come from inside the network or try entering the network from an outside source. As an Information Systems Security Officer for a medium sized technology
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