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An Intelligent Firewall to Detect Novel Attacks
White Paper This paper supports on the concept of an intelligent firewall that contains a smart detection engine for potentially malicious data packets. The smart detection engine will aim at not only detecting anomalous network traffic as in classical IDSs... [30 Jun 2008]
IPS Vs. IDS: Similar on the Surface, Polar Opposites Underneath
White Paper IPS and IDS both detect malicious or unwanted traffic. Although IPS and IDS both examine traffic looking for attacks, there are critical differences. A common notion is that an Intrusion Prevention System (IPS) is nothing more than an Intrusion... [28 Feb 2008]
Detecting Distributed Denial-of-Service Attacks by Analyzing TCP SYN Packets Statistically
White Paper Moreover, since the rate of normal network traffic may vary, one cannot use an explicit threshold of SYN arrival rates to detect SYN Flood traffic. More are SYN Flood attacks, since the malicious attackers can easily exploit the TCP specification... [14 Jan 2008]
TCP Flow Analysis for Defense Against Shrew DDoS Attacks
White Paper These attacks are more difficult to detect than the flooding type of DDoS attacks. The results reveal that normal TCP flows can be segregated from malicious flows using some energy distribution properties. [30 Oct 2007]
Storm botnet 'services' for hire?
News Stewart said the good news is security researchers can now distinguish encrypted Storm traffic from legitimate peer-to-peer traffic, making it easier for network administrators to detect Storm nodes on networks where firewall policies normally... [17 Oct 2007]
LIP: A Lightweight Interlayer Protocol for Preventing Packet Injection Attacks in Mobile Ad Hoc Network
White Paper In addition to preventing attacks by unauthorised nodes, LIP can also detect and minimise the impersonation attacks by compromised nodes. Most ad hoc networks do not implement any network access control, leaving these networks vulnerable to packet... [31 Aug 2007]
LIP: A Lightweight Interlayer Protocol for Preventing Packet Injection Attacks in Mobile Ad Hoc Network
White Paper In addition to preventing attacks by unauthorised nodes, LIP can also detect and minimise the impersonation attacks by compromised nodes. Most ad hoc networks do not implement any network access control, leaving these networks vulnerable to packet... [10 Aug 2007]
HADOF: Defense Against Routing Disruptions in Mobile Ad Hoc Networks
White Paper Based on the observed behavior and the history record of each node, HADOF aims to detect and punish malicious nodes, and improve network performance. Since malicious nodes may submit false report, for each node, the next mechanism is to keep a... [01 Aug 2007]
TippingPoint Intrusion Prevention Systems Data Sheet
White Paper Intrusion Detection Systems, by definition, only detect and do not block unwanted traffic. The TippingPoint IPS operates in-line in the network, blocking malicious and unwanted traffic, while allowing good traffic to pass unimpeded. [26 Jul 2007]
NetSpy: Automatic Generation of Spyware Signatures for NIDS
White Paper Such a signature can be used by network intrusion detection systems to detect spyware installations in large networks. If classified as spyware, NetSpy also generates a signature characterizing the malicious substrate of the spy-ware's network... [06 Jul 2007]
Malicious code getting harder to spot
News Referring to security techniques based on signatures to detect malicious websites, he said: "They use obfuscation to avoid simple signatures. Cyber crooks who rig websites to break into PCs are getting better at hiding their malicious code, a... [19 Apr 2007]
The biggest VoIP security threats - and how to stop them
Comment Users immediately detect a drop-off in service quality and ultimately their IP handsets stop working. Spam has been a hot topic for several years and unsolicited commercial and malicious email spam now makes up the majority of email worldwide. [22 Mar 2007]
Virus alert: Nyxem set to spring on 3 February
News Update your antivirus patches and make sure your hard-disk has been scanned to detect and remove the virus. Ironport's Steer said: "Nyxem is certainly malicious. Businesses have been warned to brace themselves for a possible traffic spike next week... [27 Jan 2006]
Intrusion Prevention: A Proactive Approach to Network Security
White Paper With the growing implementation of Intrusion Prevention System (IPS) technology, which is designed to proactively detect and block malicious traffic before it can reach the network, it is increasingly important for enterprises to make sure they... [20 Dec 2005]
Avoiding the Newest Security Threats From Web-Based Attacks
White Paper Firewalls can detect web traffic, but most have no means of monitoring the specific information being transferred. Gateway firewalls and antivirus software alone cannot protect against the complex malicious code that threatens the IT infrastructure. [23 Feb 2005]
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