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www.uob.edu.pk
www.uob.edu.pk

... • One of the first countermeasures that should be employed is to ensure all systems are as current as possible, with all patches applied, in order to reduce the number of vulnerabilities that might be exploited on the system • The next is to set appropriate access controls on the applications and da ...
Network Related Registry Keys
Network Related Registry Keys

... – Default, SAM, SECURITY, Software, System, Userdiff, etc... ...
How to bypass the firewall
How to bypass the firewall

... gateway from the external network, they are examined and evaluated by the gateway to determine if they are allowed to enter the internal network according to the security policy. The server not only checks the IP address of these packets, but also verifies if the data in these packets is from a trus ...
Computer Networking From LANs to WANs: Hardware, Software
Computer Networking From LANs to WANs: Hardware, Software

... • Describe the format of a serial data transmission • List the differences between SLIP and PPP • Explain the operation of the Logical Link Control sublayer • Discuss the role of NetBEUI, NetBIOS, and NetBIOS over TCP/IP in a Windows network ...
Forcepoint™ Stonesoft® Next Generation Firewall
Forcepoint™ Stonesoft® Next Generation Firewall

... of Forcepoint, LLC. Raytheon is a registered trademark of Raytheon Company. All other trademarks and registered trademarks are property of their respective owners. ...
Introduction to Communication Systems and Networks
Introduction to Communication Systems and Networks

... global positioning system (GPS) ...
Blocking HTTPS traffic with web filtering
Blocking HTTPS traffic with web filtering

... Blocking HTTPS traffic with web filtering Some websites are accessible using HTTPS protocol, such as Youtube. This example shows how to use web filtering to block HTTPS access. ...
Responsible Use Guidelines
Responsible Use Guidelines

... of the system may provide access to other electronic communication systems in the global electronic network that may contain inaccurate and/or objectionable material. Subject to Monitoring All District computer/network/Internet usage shall not be considered confidential and is subject to monitoring ...
Networks
Networks

... much wider choice available Use single protocol devices if possible ...
Networks
Networks

... much wider choice available Use single protocol devices if possible ...
Chapter 11
Chapter 11

... over Internet Protocol (VoIP)  Hacked into other provider’s network  Billed those companies ...
Network Security Strategies
Network Security Strategies

... Internet Protocol Security (IPSec) Defines security policies at the lowest possible layer: the network communication layer. Enables encryption and decryption of network packets before they leave the network interface card (NIC). Supports the use of public keys (RSA) or private keys (DES). ...
Networks and the Internet
Networks and the Internet

... What are input devices used for? to enter data to the computer for processing  What are output devices used for? to display processed data in a useful format  Describe one difference between operating system software and application software. operating system software runs the computer, applicatio ...
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(View complete abstract)

... number of computing resources 1 in the world increases rapidly. However, there are still significant hurdles to overcome when integrating wearable and embedded resources into a ubiquitous computing environment. These hurdles include designing resources smart enough to collaborate with each other, in ...
ip encapsulation security payload protocol
ip encapsulation security payload protocol

... generation and authentication data. These formats provide a consistent framework for transferring key and authentication data which is independent of the key generation technique, encryption algorithm and authentication mechanism. Encapsulation security payload (ESP) is a cryptographic security mech ...
Firewall and VPNs - Ohio State Computer Science and Engineering
Firewall and VPNs - Ohio State Computer Science and Engineering

...  Commonly consists of two or more internal bastion hosts behind packet filtering router, with each host protecting trusted network:  Connections from outside (untrusted network) routed through external filtering router  Connections from outside (untrusted network) are routed into and out of routi ...
Information Security
Information Security

... Most common type of Firewall today  Keeps track of “state”, blocks traffic that is not in its table of established connections  Slower at screening traffic than packet filter, but more secure ...
6 - Computer Science and Engineering
6 - Computer Science and Engineering

...  Commonly consists of two or more internal bastion hosts behind packet filtering router, with each host protecting trusted network:  Connections from outside (untrusted network) routed through external filtering router  Connections from outside (untrusted network) are routed into and out of routi ...
Internet backbone - Computing Science and Mathematics
Internet backbone - Computing Science and Mathematics

... Messages are divided into fixed-sized, numbered packets; packets are individually routed to their destination, then reassembled ...
A451 Computer Systems Checklist
A451 Computer Systems Checklist

... describe the nature of the internet as a worldwide collection of computer networks describe the hardware needed to connect to the internet including modems, routers explain the need for IP addressing of resources on the internet and how this can be facilitated by the role of DNS services explain the ...
Accessing Wireless Networks Safely Brochure
Accessing Wireless Networks Safely Brochure

... network to commit a crime or send spam, the activity can be traced back to your account. ...
Chapter 12 Outline
Chapter 12 Outline

... Proliferation of devices – It is relatively easy to attack wireless devices as compared to other target hosts. (1) Windows-based tools for locating and sniffing wireless-based networks have turned anyone who can download files from the Internet and has a wireless card into a potential attacker. (2) ...
Introduction to Computing
Introduction to Computing

... 4. The hub receives them and forwards them to all computers connected to the it 5. The NICs of all computers connected to the hub receive the forwarded electrical pulses 6. The NIC of computer D decides that the message is for it, & translates the pulses back to a form suitable for the computer ...
Computer Networks
Computer Networks

... 4. The hub receives them and forwards them to all computers connected to the it 5. The NICs of all computers connected to the hub receive the forwarded electrical pulses 6. The NIC of computer D decides that the message is for it, & translates the pulses back to a form suitable for the computer ...
Networking - SRU Computer Science
Networking - SRU Computer Science

...  The Internet is referred to as a packet-switching network.  Packet - The Internet chunks information into packets.  Once a file is requested, it is split into packets. • Contains information regarding content, where it came from, where it is supposed to go. • Each packet is assigned a number.  ...
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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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