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www.cs.hofstra.edu
... 1. Try default passwords used with standard accounts shipped with the system 2. Exhaustive try of all short passwords 3. Try words in system’s dictionary or list of likely passwords (hacker bulletin boards) 4. Collect information about users (full names, names of spouses and children, pictures and b ...
... 1. Try default passwords used with standard accounts shipped with the system 2. Exhaustive try of all short passwords 3. Try words in system’s dictionary or list of likely passwords (hacker bulletin boards) 4. Collect information about users (full names, names of spouses and children, pictures and b ...
Wireless Fundamentals 3
... there will be no data to exchange; alternatively a slave can demand to be put in Hold mode. A slave might enter Hold mode in one piconet so that it can create another piconet in order to make use of a service; when that service is complete it can return by existing Hold. In Sniff and Hold modes a de ...
... there will be no data to exchange; alternatively a slave can demand to be put in Hold mode. A slave might enter Hold mode in one piconet so that it can create another piconet in order to make use of a service; when that service is complete it can return by existing Hold. In Sniff and Hold modes a de ...
Case Study: Prestigious hospital. Outdated network.
... clinic is closed, this is abnormal. If I have NetFlow enabled, this will be flagged. ...
... clinic is closed, this is abnormal. If I have NetFlow enabled, this will be flagged. ...
Chapter 7
... property line • Default device and network ID settings allow intruders to enter the network • Internet bandwidth can be stolen • Computers can be vulnerable to hacker intrusion and takeover ...
... property line • Default device and network ID settings allow intruders to enter the network • Internet bandwidth can be stolen • Computers can be vulnerable to hacker intrusion and takeover ...
staff.rio.edu
... property line • Default device and network ID settings allow intruders to enter the network • Internet bandwidth can be stolen • Computers can be vulnerable to hacker intrusion and takeover ...
... property line • Default device and network ID settings allow intruders to enter the network • Internet bandwidth can be stolen • Computers can be vulnerable to hacker intrusion and takeover ...
Home Networking And Flying Cars
... buffers fill or blocky images from lost bits, and no finicky hardware or drivers that need constant maintenance. It also shouldn’t cost more than the devices we want to connect. Background ...
... buffers fill or blocky images from lost bits, and no finicky hardware or drivers that need constant maintenance. It also shouldn’t cost more than the devices we want to connect. Background ...
Middleware Framework for Disconnection Tolerant Mobile
... S. Cha, W. Du, and B. Kurz, “Middleware framework for disconnection tolerant mobile application services” in proceedings of the 10th communication networks and services research conference (CNSR 2010), Montreal, May, 2010. ...
... S. Cha, W. Du, and B. Kurz, “Middleware framework for disconnection tolerant mobile application services” in proceedings of the 10th communication networks and services research conference (CNSR 2010), Montreal, May, 2010. ...
- ASU Digital Repository
... devices has been introduced that provides fully integrated support for the use of 802.11 and cellular protocol stacks A new hardware implementation (e.g. start of SoC design, functional decomposition) had been introduced to support this new link layer idea that wireless data frames are processed b ...
... devices has been introduced that provides fully integrated support for the use of 802.11 and cellular protocol stacks A new hardware implementation (e.g. start of SoC design, functional decomposition) had been introduced to support this new link layer idea that wireless data frames are processed b ...
Chap 6: Web Security - IUP Personal Websites
... • Buffer overflow attacks are common ways to gain unauthorized access to Web servers • SMTP relay attacks allow spammers to send thousands of e-mail messages to users • Web programming tools provide another foothold for Web attacks • Dynamic content can also be used by attackers – Sometimes called r ...
... • Buffer overflow attacks are common ways to gain unauthorized access to Web servers • SMTP relay attacks allow spammers to send thousands of e-mail messages to users • Web programming tools provide another foothold for Web attacks • Dynamic content can also be used by attackers – Sometimes called r ...
XML: Part - Houston Community College System
... • Buffer overflow attacks are common ways to gain unauthorized access to Web servers • SMTP relay attacks allow spammers to send thousands of e-mail messages to users • Web programming tools provide another foothold for Web attacks • Dynamic content can also be used by attackers – Sometimes called r ...
... • Buffer overflow attacks are common ways to gain unauthorized access to Web servers • SMTP relay attacks allow spammers to send thousands of e-mail messages to users • Web programming tools provide another foothold for Web attacks • Dynamic content can also be used by attackers – Sometimes called r ...
Computer Networks
... • All of the pieces of equipment connected together must be able to understand one another. • A network is organized into workstations, each with its own name and address. • A workstation is a computer connected to a computer network. • It is often set up with the same operating system, applications ...
... • All of the pieces of equipment connected together must be able to understand one another. • A network is organized into workstations, each with its own name and address. • A workstation is a computer connected to a computer network. • It is often set up with the same operating system, applications ...
Networking Designs
... computers run a client OS. Because client OSs have built-in, peer-to-peer sharing capabilities, the desktop machines can make their own resources available to their peers without requiring support ...
... computers run a client OS. Because client OSs have built-in, peer-to-peer sharing capabilities, the desktop machines can make their own resources available to their peers without requiring support ...
ppt used in lecture
... • Weak model just puts code in place at application level points -either call handling (e.g. dynamic singlaing protocol code -switchware, switchlets IEEE programmable networks work) or at application level relays (e.g. non transparent caches) • Strong model - re-programs switches on the fly possibly ...
... • Weak model just puts code in place at application level points -either call handling (e.g. dynamic singlaing protocol code -switchware, switchlets IEEE programmable networks work) or at application level relays (e.g. non transparent caches) • Strong model - re-programs switches on the fly possibly ...
Network Coding: From Theory to Practice
... Network Coding: CBMEN project • Our results have shown that this approach provides improvement in terms of delay and bandwidth usage. • In many cases, without RLNC, the data cannot be disseminated in these networks. • Without network coding content may not be delivered, but can this be explained by ...
... Network Coding: CBMEN project • Our results have shown that this approach provides improvement in terms of delay and bandwidth usage. • In many cases, without RLNC, the data cannot be disseminated in these networks. • Without network coding content may not be delivered, but can this be explained by ...
AppGate Distributed Device Firewall ™ Protecting user devices and the network
... that protects the endpoint device from network based attacks by ensuring that the client can connect only to specific IP addresses on specific ports and by blocking unwanted connections to the user’s workstation. The firewall can use different policies depending on the circumstances. When used with ...
... that protects the endpoint device from network based attacks by ensuring that the client can connect only to specific IP addresses on specific ports and by blocking unwanted connections to the user’s workstation. The firewall can use different policies depending on the circumstances. When used with ...
Principals of Information Security, Fourth Edition
... – Frequently installed on a dedicated computer; also known as a proxy server – Since proxy server is often placed in unsecured area of the network (e.g., DMZ), it is exposed to higher levels of risk from less trusted networks – Additional filtering routers can be implemented behind the proxy server, ...
... – Frequently installed on a dedicated computer; also known as a proxy server – Since proxy server is often placed in unsecured area of the network (e.g., DMZ), it is exposed to higher levels of risk from less trusted networks – Additional filtering routers can be implemented behind the proxy server, ...
Network Security
... Firewall ensures that the internal network and the Internet can both talk to the DMZ, but usually not to each other The DMZ relays services at the application level, e.g. mail forwarding, web proxying The DMZ machines and firewall are centrally administered by people focused on security full-time (i ...
... Firewall ensures that the internal network and the Internet can both talk to the DMZ, but usually not to each other The DMZ relays services at the application level, e.g. mail forwarding, web proxying The DMZ machines and firewall are centrally administered by people focused on security full-time (i ...
Slide 1
... – multi-port device that directs data between networks and nodes using logical addressing, – switches devices that connect to LANs where multiple paths exist, determining best path. – Used to interconnect LANs and WANs – Each port can be configured for a unique network address – Can connect differen ...
... – multi-port device that directs data between networks and nodes using logical addressing, – switches devices that connect to LANs where multiple paths exist, determining best path. – Used to interconnect LANs and WANs – Each port can be configured for a unique network address – Can connect differen ...
Windows Server 2008 - Community College of Rhode Island
... – Coordinating transport of packets and frames among network devices. – Encapsulating data and communication control information. – Providing communications to accomplish a specific function. • Such as enabling the destination computer to tell the source computer, to slow its transmission speed beca ...
... – Coordinating transport of packets and frames among network devices. – Encapsulating data and communication control information. – Providing communications to accomplish a specific function. • Such as enabling the destination computer to tell the source computer, to slow its transmission speed beca ...
Unit 1 Lesson 1
... Companies usually pay an outside organization to supply the physical media necessary for transmitting data. The equipment and services provided by these vendors are usually on a monthly fee-for-service basis, with a one-time installation and set-up charge. One example is when a company leases teleph ...
... Companies usually pay an outside organization to supply the physical media necessary for transmitting data. The equipment and services provided by these vendors are usually on a monthly fee-for-service basis, with a one-time installation and set-up charge. One example is when a company leases teleph ...
WIRELESS SENSOR NETWORKS: SECURITY ISSUES AND
... dollars already invested down the drain if future expansion is needed. Therefore, in order to choose the right wireless technology and determine what is best for future expansion, this introduction will consider both proprietary as well as open standard wireless technologies and will point out why o ...
... dollars already invested down the drain if future expansion is needed. Therefore, in order to choose the right wireless technology and determine what is best for future expansion, this introduction will consider both proprietary as well as open standard wireless technologies and will point out why o ...
Handover in Mobile Communication Networks: Who is in
... large-scale, closed system and the regulation of radio frequencies in the used frequency bands, the barrier for entering into the mobile cellular network market is very high. As a result, competition in this market is comparatively low (oligopolistic structure). Wireless data networks, on the other ...
... large-scale, closed system and the regulation of radio frequencies in the used frequency bands, the barrier for entering into the mobile cellular network market is very high. As a result, competition in this market is comparatively low (oligopolistic structure). Wireless data networks, on the other ...
Dominion KSX II Data Sheet
... Virtual media, giving users the ability to install software, run hardware diagnostics, transfer files and even remotely reimage a server Absolute Mouse Synchronization™, which reduces installation time and sets a new standard for mouse synchronization Network-independent access via a built- ...
... Virtual media, giving users the ability to install software, run hardware diagnostics, transfer files and even remotely reimage a server Absolute Mouse Synchronization™, which reduces installation time and sets a new standard for mouse synchronization Network-independent access via a built- ...
Wireless security
![](https://commons.wikimedia.org/wiki/Special:FilePath/ADSL_router_with_Wi-Fi_(802.11_b-g).jpg?width=300)
Wireless security is the prevention of unauthorized access or damage to computers using wireless networks. The most common types of wireless security are Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA). WEP is a notoriously weak security standard. The password it uses can often be cracked in a few minutes with a basic laptop computer and widely available software tools. WEP is an old IEEE 802.11 standard from 1999, which was outdated in 2003 by WPA, or Wi-Fi Protected Access. WPA was a quick alternative to improve security over WEP. The current standard is WPA2; some hardware cannot support WPA2 without firmware upgrade or replacement. WPA2 uses an encryption device that encrypts the network with a 256-bit key; the longer key length improves security over WEP.Many laptop computers have wireless cards pre-installed. The ability to enter a network while mobile has great benefits. However, wireless networking is prone to some security issues. Hackers have found wireless networks relatively easy to break into, and even use wireless technology to hack into wired networks. As a result, it is very important that enterprises define effective wireless security policies that guard against unauthorized access to important resources. Wireless Intrusion Prevention Systems (WIPS) or Wireless Intrusion Detection Systems (WIDS) are commonly used to enforce wireless security policies.The risks to users of wireless technology have increased as the service has become more popular. There were relatively few dangers when wireless technology was first introduced. Hackers had not yet had time to latch on to the new technology, and wireless networks were not commonly found in the work place. However, there are many security risks associated with the current wireless protocols and encryption methods, and in the carelessness and ignorance that exists at the user and corporate IT level. Hacking methods have become much more sophisticated and innovative with wireless access. Hacking has also become much easier and more accessible with easy-to-use Windows- or Linux-based tools being made available on the web at no charge.Some organizations that have no wireless access points installed do not feel that they need to address wireless security concerns. In-Stat MDR and META Group have estimated that 95% of all corporate laptop computers that were planned to be purchased in 2005 were equipped with wireless cards. Issues can arise in a supposedly non-wireless organization when a wireless laptop is plugged into the corporate network. A hacker could sit out in the parking lot and gather information from it through laptops and/or other devices, or even break in through this wireless card–equipped laptop and gain access to the wired network.