Computer Security
... Connects a wireless network to a wired network Devices must authenticate to the AP before gaining access to the environment AP works on a specific frequency that the wireless device must “tune itself” to ...
... Connects a wireless network to a wired network Devices must authenticate to the AP before gaining access to the environment AP works on a specific frequency that the wireless device must “tune itself” to ...
Rocket® Blue Zone Security Server
... access to host systems, increasing data stream privacy, and strengthening authentication. Rocket® BlueZone Security Server secures confidential information, authenticates users and reinforces network and perimeter security. ...
... access to host systems, increasing data stream privacy, and strengthening authentication. Rocket® BlueZone Security Server secures confidential information, authenticates users and reinforces network and perimeter security. ...
ppt
... successfully find encryption key • 2007 – WEP cracked under 60 seconds by researchers from Germany • WPA • A quick preliminary solution to WEP issues • However vulnerable to a password guessing attack ...
... successfully find encryption key • 2007 – WEP cracked under 60 seconds by researchers from Germany • WPA • A quick preliminary solution to WEP issues • However vulnerable to a password guessing attack ...
Wireless Communications
... 3. The requested information is then sent from the WAP Gateway to the WAP client, using whatever mobile network bearer service is available and most appropriate ...
... 3. The requested information is then sent from the WAP Gateway to the WAP client, using whatever mobile network bearer service is available and most appropriate ...
IT 601: Mobile Computing
... Need to run some routing protocol Traditional routing protocols may not work efficiently Mobility at IP layer ...
... Need to run some routing protocol Traditional routing protocols may not work efficiently Mobility at IP layer ...
PDF File
... network growth. We knew that RADWIN 5000 was the right fit for the job.” Hussein Bakka, IT Director, City of San Juan: “Once project installation was complete the results were instantly apparent; more throughput to each of the City facilities and significantly improved network stability and reliabil ...
... network growth. We knew that RADWIN 5000 was the right fit for the job.” Hussein Bakka, IT Director, City of San Juan: “Once project installation was complete the results were instantly apparent; more throughput to each of the City facilities and significantly improved network stability and reliabil ...
Introduction to Mobile Computing - UF CISE
... • Lack of mobility-awareness by the system • network: existing transport protocols are inefficient to use across heterogeneous mix of fixed/wireless networks • session and presentation: inappropriate for the wireless environment and for mobility • operating systems: lack of env. related conditions a ...
... • Lack of mobility-awareness by the system • network: existing transport protocols are inefficient to use across heterogeneous mix of fixed/wireless networks • session and presentation: inappropriate for the wireless environment and for mobility • operating systems: lack of env. related conditions a ...
Click - California State University, Northridge
... Trust relation assumed between equipment manufacturer and network operator Each SS contains both the manufacturer’s X.509 certificate and the the manufacturer’s certificate. SS sent both certificates to the BS in the Authorization Request and Authentication Information messages BS verifies the ident ...
... Trust relation assumed between equipment manufacturer and network operator Each SS contains both the manufacturer’s X.509 certificate and the the manufacturer’s certificate. SS sent both certificates to the BS in the Authorization Request and Authentication Information messages BS verifies the ident ...
PPT network components
... • Most home network routers have built in firewall. • The term “firewall” originated from firefighting, where a firewall is a barrier established to prevent the spread of a fire. • A firewall works with the proxy server making request on behalf of workstation users. • There are a number of features ...
... • Most home network routers have built in firewall. • The term “firewall” originated from firefighting, where a firewall is a barrier established to prevent the spread of a fire. • A firewall works with the proxy server making request on behalf of workstation users. • There are a number of features ...
Monitoring and Auditing AIS - McGraw
... • A local area network (LAN): a group of computers, printers, and other devices connected to the same network that covers a limited geographic range. • LAN devices include hubs and switches. --hubs (broadcasts through multiple ports) --switches (provides a path for each pair of connections) --Switch ...
... • A local area network (LAN): a group of computers, printers, and other devices connected to the same network that covers a limited geographic range. • LAN devices include hubs and switches. --hubs (broadcasts through multiple ports) --switches (provides a path for each pair of connections) --Switch ...
Network Topologies Network Topologies
... IEEE and Networking standards • Institute of Electrical and Electronic Engineers (IEEE) developed a series of networking standards ...
... IEEE and Networking standards • Institute of Electrical and Electronic Engineers (IEEE) developed a series of networking standards ...
Enter Title in Docm Properties
... Linux Kernel Development Experience (Netfilter, proc fs, sysfs, char drivers). ...
... Linux Kernel Development Experience (Netfilter, proc fs, sysfs, char drivers). ...
Best Practices for Keeping Your Home Network Secure
... router/cable modem. Figure 1 depicts a typical home network configuration that provides the ...
... router/cable modem. Figure 1 depicts a typical home network configuration that provides the ...
chapter 3
... Prolexic: ‘itsoknoproblembro’ DDoS attacks are highly sophisticated. Experts from Prolexic Technologies claim a new type of distributed denial-of-service (DDoS) attack has not only increased in size, but also reached a new level of sophistication. DDoS attacks have recently caused a lot of problems ...
... Prolexic: ‘itsoknoproblembro’ DDoS attacks are highly sophisticated. Experts from Prolexic Technologies claim a new type of distributed denial-of-service (DDoS) attack has not only increased in size, but also reached a new level of sophistication. DDoS attacks have recently caused a lot of problems ...
Beyond ad-hoc networking
... Network diversity increases, not least by the rapid deployment of wireless networks and mobile nodes. Wireless networks add to the diversity by adding networks with unpredictable and ever-changing network characteristics. To this increased diversity is also added the complexity of overlay virtual ...
... Network diversity increases, not least by the rapid deployment of wireless networks and mobile nodes. Wireless networks add to the diversity by adding networks with unpredictable and ever-changing network characteristics. To this increased diversity is also added the complexity of overlay virtual ...
Fundamentals of Computer Security
... constitute the largest threat to the computer systems security[2]. Traditional methods (such as identification and authentication, access restriction, etc.) do not solve this problem Drawbacks; among them are ...
... constitute the largest threat to the computer systems security[2]. Traditional methods (such as identification and authentication, access restriction, etc.) do not solve this problem Drawbacks; among them are ...
Hands-on Networking Fundamentals
... 13. When you evaluate devices that operate using 802.11g you notice that some advertise use of PBCC. What does this mean? Answer: d. Packet Binary Convolution Code enables using 22 Mbps and 33 Mbps transmissions by sending larger packets. 14. When you have problems with the transmission speed of an ...
... 13. When you evaluate devices that operate using 802.11g you notice that some advertise use of PBCC. What does this mean? Answer: d. Packet Binary Convolution Code enables using 22 Mbps and 33 Mbps transmissions by sending larger packets. 14. When you have problems with the transmission speed of an ...
PROTECTING INFORMATION RESOURCES
... ChoicePoint is in the business of gathering personal data about consumers that it sells to insurance companies, banks, government agencies, and businesses. Buyers of that data use it to determine insurance premiums and interest rates, do pre-employment screening, etc. It turns out that scammers have ...
... ChoicePoint is in the business of gathering personal data about consumers that it sells to insurance companies, banks, government agencies, and businesses. Buyers of that data use it to determine insurance premiums and interest rates, do pre-employment screening, etc. It turns out that scammers have ...
Enabling Simultaneous Connections to Multiple Wireless Networks
... Extending the range of an infrastructure network ...
... Extending the range of an infrastructure network ...
D efe ns iv
... sophisticated backdoor techniques. Students will depart this course with an understanding of advanced techniques used by the most sophisticated attackers to maintain stealth and security while minimizing their footprint and identity. Locating the Cyber Ninja ...
... sophisticated backdoor techniques. Students will depart this course with an understanding of advanced techniques used by the most sophisticated attackers to maintain stealth and security while minimizing their footprint and identity. Locating the Cyber Ninja ...
Security Risks
... systems by changing, deleting or copying data while others are deliberately intent on defrauding companies. Nowadays a great deal of time, effort and money is spent attempting to make computer networks as secure as possible from unauthorised access. It is particularly important to make sure wireless ...
... systems by changing, deleting or copying data while others are deliberately intent on defrauding companies. Nowadays a great deal of time, effort and money is spent attempting to make computer networks as secure as possible from unauthorised access. It is particularly important to make sure wireless ...
B.E. Sixth Semester
... UNIT IV: Transport layer and Application Layer Quality of service, transport service primitives, elements of transport protocol, addressing, establishing a connection, releasing a connection, flow control and buffering, multiplexing, crash recovery, client server model, concurrency, processes, socke ...
... UNIT IV: Transport layer and Application Layer Quality of service, transport service primitives, elements of transport protocol, addressing, establishing a connection, releasing a connection, flow control and buffering, multiplexing, crash recovery, client server model, concurrency, processes, socke ...
Wireless security
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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.