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multimedia in mobile
multimedia in mobile

... In order to meet the ever increasing demand by people using mobile technology and its associated service based on multimedia elements in addition to voice, mobile communication technologies has since evolved from analog to digital and 1G to 4G. Therefore, we should take the challenge to combine mobi ...
Chapter 19
Chapter 19

... primarily for upper-layer protocols. Typically used for end-to-end communications between two hosts. Payload is encrytped but not the header. • Tunnel mode: provides protection for the entire IP packet. The entire packet is placed within a new outer IP packet. Used when one destination is a security ...
Lect 1 - Intro
Lect 1 - Intro

... A program that attaches itself to a program or file so it can spread from one computer to another, leaving infections as it travels Worm: A program that takes advantage of file or information transport features on your system, which allows it to travel unaided. The biggest danger with a worm is its ...
Annex 1
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... find information describing how to break into various systems by exploiting known security weaknesses. Attackers may also breach security by using automated tools to probe network systems, then exploiting any identified security weaknesses to gain unauthorized access to the network. Apart from attac ...
computer security - GH Raisoni Polytechnic, Nagpur
computer security - GH Raisoni Polytechnic, Nagpur

... 1. Confidentiality : The goal of confidentiality is to ensure that only those individuals who have the Authority can view a piece of information. 2. Authentication: Authentication deals with the desire to ensure that an individual is who they claim to be. The need for this in an online transaction i ...
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TIM158-2013-Lectures 10-11
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... find any weakness in the network. 8. Trojan Horses Trojan horses, which are attached to other programs, are the leading cause of all break-ins. When a user downloads and activates a Trojan horse, the software can take the full control over the system and you can remotely control the whole system.. g ...
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Chapter 24 - William Stallings, Data and Computer
Chapter 24 - William Stallings, Data and Computer

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Security+ Guide to Network Security Fundamentals

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here - Online Journal of Space Communication

... Platform Features • Multilevel security - encrypted data transfer with distributed administration • Assures access due to multi-tier priority scheme and automatic queue management • Packetization and data scheduling provides flexibility and efficiency in intermixing and transferring all types of fi ...
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... residential neighbors or adjacent businesses may connect to each other's wireless networks. Many APs are initially configured to openly broadcast SSIDs of authorized users. SSIDs can be incorrectly used as passwords to verify authorised users, which allow intruders to easily steal an SSID and assume ...
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file - ScholarSphere

... and mitigate the risks to an organization’s digital assets, and provide strategies for sustaining the security of those assets. [5] Risk assessment involves the use of an evaluative and often functional methodology to assess the type and level of risks that an organization must mitigate. How many of ...
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all the web without the risk
all the web without the risk

... Over 90 percent of undetected malware infects the enterprise via the Web browser.* Historically solutions have been built around the idea of 100 percent prevention either by removing vulnerabilities or detecting attacks before they are executed. Neither of these approaches has been completely effect ...
Preventing Social Engineering
Preventing Social Engineering

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... In this talk, I will summarize our recent research results on quantum and nano photonic devices, including terahertz quantum cascade lasers, terahertz quantum well photodetectors, organic/inorganic hybrid optical upconersion devices, scanning voltage microscopy measurements and nanowire-based nanoge ...
chapter 5 – basic security
chapter 5 – basic security

...  This information is sent to advertisers or others on the Internet and can include passwords and account numbers.  Usually installed unknowingly when downloading a file, installing another program or clicking a popup.  It can slow down a computer and make changes to internal settings creating mor ...
diebold nixdorf software terminal security intrusion protection
diebold nixdorf software terminal security intrusion protection

... • Locks down with protection against zero-day attacks for which patches are not yet available • Purpose-built for unattended self-service terminals and their environments • No frequent updates such as signature files or virus definitions needed for protection • Device protection is based on out-of-t ...
security threats: a guide for small and medium
security threats: a guide for small and medium

... laptops. The reasons vary but they may want to be able to install new software or simply to have more control ...
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Mobile security

Mobile security or mobile phone security has become increasingly important in mobile computing. Of particular concern is the security of personal and business information now stored on smartphones.More and more users and businesses employ smartphones as communication tools, but also as a means of planning and organizing their work and private life. Within companies, these technologies are causing profound changes in the organization of information systems and therefore they have become the source of new risks. Indeed, smartphones collect and compile an increasing amount of sensitive information to which access must be controlled to protect the privacy of the user and the intellectual property of the company.All smartphones, as computers, are preferred targets of attacks. These attacks exploit weaknesses related to smartphones that can come from means of communication like Short Message Service (SMS, aka text messaging), Multimedia Messaging Service (MMS), Wi-Fi networks, Bluetooth and GSM, the de facto global standard for mobile communications. There are also attacks that exploit software vulnerabilities from both the web browser and operating system. Finally, there are forms of malicious software that rely on the weak knowledge of average users.Different security counter-measures are being developed and applied to smartphones, from security in different layers of software to the dissemination of information to end users. There are good practices to be observed at all levels, from design to use, through the development of operating systems, software layers, and downloadable apps.
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