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Local Area Networks: Internetworking
Local Area Networks: Internetworking

... List the advantages of using frame relay for transmitting data. Describe a frame relay permanent virtual circuit and how it is created. Outline the basic features of frame relay’s committed information rate and how it is used to establish a level of service. List the differences between data over fr ...
Mark Muthama Voni B66/0848/2011 BQS 214 assignment Question
Mark Muthama Voni B66/0848/2011 BQS 214 assignment Question

... which allowed computers to run different programs at once. Another function of operating systems is to make sure everything is flowing smoothly inside the computer. The 3rd generation computers made the transition from transistors to integrated circuits and from punch cards to electronic computer sy ...
Computers: Tools for an Information Age
Computers: Tools for an Information Age

... A network is a distributed data processing systems. Local area network (LAN) designed to share data and resources among several users in office or building ...
LN29 - WSU EECS
LN29 - WSU EECS

... – Ubiquitous access to consolidated data. – Shared infrastructure economies of scale – A lot of small and medium businesses  Why attack? ...
Computer Security and Penetration Testing Chapter 8 Session
Computer Security and Penetration Testing Chapter 8 Session

... • TCP works with IP to manage data packets • TCP tracks the packages sent to the receiver • One popular method of session hijacking is using source-routed IP packets • If source routing is turned off – The hacker can use blind hijacking – Guessing the responses of the two machines ...
The Internet - The University of Tennessee at Martin
The Internet - The University of Tennessee at Martin

... The global collection of connected networks that use TCP/IP protocols. The Internet was created from research done by the U.S. Department of Defense Advanced Research Projects Agency (ARPA) in the late 1960s – early 1970s. The Internet became a commercial success in the 1990s. No one group or countr ...
Controls for the Credit Card Environment
Controls for the Credit Card Environment

... 2. For systems with multiple users, access must be restricted based on each user's need to know, and set to "deny all" unless specifically allowed. 3. Authentication of access control may use one or more of the following, in combination with a username: - password - token device - biometric ...
PowerPoint - Surendar Chandra
PowerPoint - Surendar Chandra

... – given a cryptographic checksum for a message, it is virtually impossible to figure out what message produced that checksum; it is not computationally feasible to find two messages that hash to the same cryptographic checksum. ...
CSCI-1305 Introduction To Information Technology
CSCI-1305 Introduction To Information Technology

... Network Topology Network topology is the physical system of interconnections of the elements of a computer network (Links, Nodes, Clients, etc.) The system of interconnected things on a computer network are referred to as nodes. ...
Database Security
Database Security

... Unauthorized disclosure Unauthorized modification Denial of service attacks ...
Do`s and Don`ts for web application developers
Do`s and Don`ts for web application developers

... related software up to date. Leave the system in a default install state. Allow access to administration interfaces from untrusted networks. Rely on other people to configure SSL, should the application require it, in line with best practice. ...
Introduction to Healthcare Information Technology
Introduction to Healthcare Information Technology

... • Transport Layer Security (TLS) – An extension of SSL – Guarantees privacy and data integrity between applications communicating over the Internet ...
What is Computer Forensics?
What is Computer Forensics?

... computer architectures have show profound change in the same short period computer peripherals keep on changing as well wide area telecoms methods are being used more and more. the growth of e-mail the growth of client / server applications, the software outcome of the more complex hardware architec ...
N44096972
N44096972

... continuously maintaining the services provided by a network is the objective of an intrusion detection system. There are many security systems on the network that provide security from viruses or harmful file extensions. The space provided varies from system to system. The commonly used network secu ...
An analysis of the vulnerabilities introduced with Java
An analysis of the vulnerabilities introduced with Java

... distribution of knowledge to protect from insider threat physical security to protect from outsider threat security-relating training and awareness programs for social engineering attacks software development based on software engineering principles including testing OS, virtual machines and applica ...
public key cryptography
public key cryptography

... • For both AH and ESP, source, destination handshake: – create network-layer logical channel called a service agreement (SA) • Each SA unidirectional. • Uniquely determined by: – security protocol (AH or ESP) – source IP address – 32-bit connection ID ...
Prince Mohammad Bin Fahd University Network Management
Prince Mohammad Bin Fahd University Network Management

... private network and the resources contained in the network across public networks like the Internet. It enables a host computer to send and receive data across shared or public networks as if it were a private network with all the functionality, security and management policies of the private networ ...
notes - Academic Csuohio
notes - Academic Csuohio

... airplane routing airplane routing ...
Module Materials Computer Architecture and Systems Level 5 C20012
Module Materials Computer Architecture and Systems Level 5 C20012

... 1.5 Computers in Information Systems and communication Computer systems can be integrated in business and organisation to increase productivity, effectiveness and competivity. Information’s Systems relate to the combination of hardware, software, data, network infrastructure and trained personnel o ...
lecture3 - Academic Csuohio
lecture3 - Academic Csuohio

... airplane routing airplane routing ...
SITLine-detailed - Gulf IT
SITLine-detailed - Gulf IT

... ı Secures video conferences, VoIP calls, database queries, etc. ı Safeguards lines (point-to-point), star structures (point-to-multipoint) and fully meshed networks (multipoint-to-multipoint) ı Protects organizations against espionage and manipulated data ı Customers: Organizations with widely geogr ...
Network Topoogies
Network Topoogies

... whose address matches the address attached with the data. In this topology only one computer can send data at a time. Therefore, the speed of a network reduces as the number of computer attached to the bus increase. ...
Handout - Ohio State Computer Science and Engineering
Handout - Ohio State Computer Science and Engineering

... • Provides protection to the entire IP packet • Used when one or both ends of a security association (SA) are a security gateway • Number of hosts on networks behind firewalls can securely communicate without implementing IPsec • ESP in tunnel mode encrypts, can authenticate entire inner IP packet, ...
AISE PoIS4E_PP_ch02_57
AISE PoIS4E_PP_ch02_57

... the more common attacks associated with those threats, and differentiate threats to the information within systems from attacks against the information ...
Slides - Canavan Associates
Slides - Canavan Associates

... • User Data – passwords, user IDs, client information • Other headers – information useful to hackers such as web site information or application information • IP Header – source and destination addresses that can be used by a hacker for further attacks ...
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Computer security

Computer security, also known as cybersecurity or IT security, is the protection of information systems from theft or damage to the hardware, the software, and to the information on them, as well as from disruption or misdirection of the services they provide. It includes controlling physical access to the hardware, as well as protecting against harm that may come via network access, data and code injection, and due to malpractice by operators, whether intentional, accidental, or due to them being tricked into deviating from secure procedures.The field is of growing importance due to the increasing reliance of computer systems in most societies. Computer systems now include a very wide variety of ""smart"" devices, including smartphones, televisions and tiny devices as part of the Internet of Things - and networks include not only the Internet and private data networks, but also Bluetooth, Wi-Fi and other wireless networks.Computer security covers all the processes and mechanisms by which digital equipment, information and services are protected from unintended or unauthorized access, change or destruction and the process of applying security measures to ensure confidentiality, integrity, and availability of data both in transit and at rest.
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