The Stuxnet Worm: Just Another Computer Attack or a Game
... Instead, the advanced capabilities of Israel and the United States in cyber-operations and concerns about Iran’s nuclear activities have led to widespread speculation in the media that one or both may have launched Stuxnet. Britain, Germany, France and even China – an important ally of Iran – have a ...
... Instead, the advanced capabilities of Israel and the United States in cyber-operations and concerns about Iran’s nuclear activities have led to widespread speculation in the media that one or both may have launched Stuxnet. Britain, Germany, France and even China – an important ally of Iran – have a ...
STDMA-based Scheduling Algorithm for Concurrent Transmissions
... concurrently to improve the system throughput, based on the derived exclusive region or a link selection metric in [7], [8]. A concurrent transmission scheduling algorithm is proposed in [10] in wireless networks with rate adaptation, but it does not consider the unique features of mmWave systems, e ...
... concurrently to improve the system throughput, based on the derived exclusive region or a link selection metric in [7], [8]. A concurrent transmission scheduling algorithm is proposed in [10] in wireless networks with rate adaptation, but it does not consider the unique features of mmWave systems, e ...
AirLink Raven XE - Sierra Wireless Source
... Due to the nature of wireless communications, transmission and reception of data can never be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although significant delays or losses of data are rare when wireless devices such as the Sierra Wireless AirLink Raven XE a ...
... Due to the nature of wireless communications, transmission and reception of data can never be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although significant delays or losses of data are rare when wireless devices such as the Sierra Wireless AirLink Raven XE a ...
Slide 1
... Traffic analysis – who is communicating with whom Side-channel analysis – unexpected leaks of information ... kinds of threats that are hard to prevent even in All classical networks with powerful computers ● but here: limited performance, decentralized, lack of physical control… Cryptographic ...
... Traffic analysis – who is communicating with whom Side-channel analysis – unexpected leaks of information ... kinds of threats that are hard to prevent even in All classical networks with powerful computers ● but here: limited performance, decentralized, lack of physical control… Cryptographic ...
Document
... IP Router Architecture • A multiservice router provides layer 2 and layer 3 services: ...
... IP Router Architecture • A multiservice router provides layer 2 and layer 3 services: ...
the Presentation
... Adjustable security levels support a wide variety of deployment scenarios Performance levels are maintained even with deep packet inspection enabled ...
... Adjustable security levels support a wide variety of deployment scenarios Performance levels are maintained even with deep packet inspection enabled ...
Data types
... They can also create subnets • IFI has subnets of UiO’s address space • E.g. 129.250.69.0/24 • 129.250.69.0 can’t be used for a computer, it’s the network’s address • 129.250.69.255 can’t be used for a computer, it’s an address for all computers in the network, the broadcast address Socket example ...
... They can also create subnets • IFI has subnets of UiO’s address space • E.g. 129.250.69.0/24 • 129.250.69.0 can’t be used for a computer, it’s the network’s address • 129.250.69.255 can’t be used for a computer, it’s an address for all computers in the network, the broadcast address Socket example ...
GenericFaultyCable
... PC operator terminals. This architecture decreases the number of direct ModbusTCP client connections to the PLC’s by coalescing communications from having multiple operator terminals query the PLC’s to instead have two SCADA Servers query the PLC’s and proxy the data to the multiple operator termina ...
... PC operator terminals. This architecture decreases the number of direct ModbusTCP client connections to the PLC’s by coalescing communications from having multiple operator terminals query the PLC’s to instead have two SCADA Servers query the PLC’s and proxy the data to the multiple operator termina ...
Demonstrating LifeSize Room at a Customer Location
... over other vendor’s systems, but it will not be true HD quality video. Obtain access to an MPLS network or private line between the locations to improve the quality of the video during the call, if available. Establishing a call over the open internet may result in decreased quality due to network l ...
... over other vendor’s systems, but it will not be true HD quality video. Obtain access to an MPLS network or private line between the locations to improve the quality of the video during the call, if available. Establishing a call over the open internet may result in decreased quality due to network l ...
PDF - This Chapter
... dynamically. If no role is assigned to a port, it can dynamically assume a master, passive, or slave role based on the BMCA. A master port provides the clock to its downstream peers. A slave port receives clock from an upstream peer. A dynamic port can work either as a master or a slave based on the ...
... dynamically. If no role is assigned to a port, it can dynamically assume a master, passive, or slave role based on the BMCA. A master port provides the clock to its downstream peers. A slave port receives clock from an upstream peer. A dynamic port can work either as a master or a slave based on the ...
Routing and Clustering
... (inbound) link quality, send (outbound) link quality, link estimator data structures – Propagate back to the neighbors as the outbound rather than inbound link quality is needed for cost-based routing – The receiving node may update its own table based on the received information possibly indicating ...
... (inbound) link quality, send (outbound) link quality, link estimator data structures – Propagate back to the neighbors as the outbound rather than inbound link quality is needed for cost-based routing – The receiving node may update its own table based on the received information possibly indicating ...
Part I: Introduction - Computer Science and Engineering
... Active Worm vs. Virus • Active Worm – A program that propagates itself over a network, reproducing itself as it goes ...
... Active Worm vs. Virus • Active Worm – A program that propagates itself over a network, reproducing itself as it goes ...
Here - Bkav Corporation
... (2) Phishing attack: The attack using e-mails, messages…that fake to originate from a trusted source to trick users into entering credentials such as username, password, credit card… at a fake website. (3) Address Resolution Protocol (ARP): A protocol for mapping an Internet Protocol address to a ph ...
... (2) Phishing attack: The attack using e-mails, messages…that fake to originate from a trusted source to trick users into entering credentials such as username, password, credit card… at a fake website. (3) Address Resolution Protocol (ARP): A protocol for mapping an Internet Protocol address to a ph ...
COMPUTER NETWORKS Lecture Notes
... Advantages of a bus topology include ease of installation. Backbone cable can be laid along the most efficient path, then connected to the nodes by drop lines of various lengths. In this way, a bus uses less cabling than mesh or star topologies. In a star, for example, four network devices in the s ...
... Advantages of a bus topology include ease of installation. Backbone cable can be laid along the most efficient path, then connected to the nodes by drop lines of various lengths. In this way, a bus uses less cabling than mesh or star topologies. In a star, for example, four network devices in the s ...
Networking and Web slides
... Protocols at this level transmit data in a network representation that is independent of the representations used in individual computers, which may differ. Encryption is also performed in this layer, if required. At this level reliability and adaptation are performed, such as detection of failures ...
... Protocols at this level transmit data in a network representation that is independent of the representations used in individual computers, which may differ. Encryption is also performed in this layer, if required. At this level reliability and adaptation are performed, such as detection of failures ...
Link Layer
... point-to-point PPP for dial-up access point-to-point link between Ethernet switch and host broadcast (shared medium) old-fashioned Ethernet upstream HFC 802.11 wireless LAN ...
... point-to-point PPP for dial-up access point-to-point link between Ethernet switch and host broadcast (shared medium) old-fashioned Ethernet upstream HFC 802.11 wireless LAN ...
chap2_2ed_5July02 - National Tsing Hua University
... Support privacy and authentication for RFC 822 based email systems. The message together with its message digest is encrypted using DES with a onetime key that is enclosed along with the message. The key can be protected with RSA and certified by certification authorities. 2: Application Layer ...
... Support privacy and authentication for RFC 822 based email systems. The message together with its message digest is encrypted using DES with a onetime key that is enclosed along with the message. The key can be protected with RSA and certified by certification authorities. 2: Application Layer ...
ROUTE10S03L05
... Task 1: Configure OSPF over LAN interfaces – What steps did you take to configure the OSPF routing protocol and advertise all of the specific IP subnets used in the network? – How can you change the configuration to prevent any network added to the router from being advertised? – How does this cha ...
... Task 1: Configure OSPF over LAN interfaces – What steps did you take to configure the OSPF routing protocol and advertise all of the specific IP subnets used in the network? – How can you change the configuration to prevent any network added to the router from being advertised? – How does this cha ...
Remote Access VPN Setup (IPSec)
... not supported by the IPSec standard. Because broadcasts are not supported by the IPSec VPN standard we cannot guarantee that using hostnames instead of IP’s will work. A work around for this limitation of the IPSec standard would be to use a WINS server. ...
... not supported by the IPSec standard. Because broadcasts are not supported by the IPSec VPN standard we cannot guarantee that using hostnames instead of IP’s will work. A work around for this limitation of the IPSec standard would be to use a WINS server. ...
bluetooth technology
... and capabilities of common cables carried by mobile travelers. “The technology must be secure as a cable; must be manufactured for about the same cost as a cable; must connect to variety of devices available to the mobile users and support data rates that are consistent with a mobile travelers needs ...
... and capabilities of common cables carried by mobile travelers. “The technology must be secure as a cable; must be manufactured for about the same cost as a cable; must connect to variety of devices available to the mobile users and support data rates that are consistent with a mobile travelers needs ...
Multicast Over Wireless Networks
... Multicast routing using mesh: Use multiple redundant routes for rubost handling of link failure and node mobility during a multicast session. It may have looping problem. Multicast routing using other structures: Multicast routing provides stateless topologyindependent routing. Forwardin ...
... Multicast routing using mesh: Use multiple redundant routes for rubost handling of link failure and node mobility during a multicast session. It may have looping problem. Multicast routing using other structures: Multicast routing provides stateless topologyindependent routing. Forwardin ...
