ABC: An introduction to network monitoring
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These systems can help you maintain the network's current health, ensuring availability and improving performance -- and help you build a database of critical information that you can use to plan for future growth.
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Networked multifunction devices share PC vulnerabilities to worms, hackers.
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By Dumoulin, Fred  An effective monitoring strategy should zero in on Web performance problems from three directions: the user application experience, device availability and site availability.
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Some years ago, I got a job doing network support for the District Attorneyâs office in a large city that shall remain nameless. When I arrived, the network was a mess! Malware was rampant, Internet and WAN connections were saturated, and users were constantly complaining about slow computers and network performance. Even so, my attempts to enforce a mindful security policy were met with fierce resistance. The attitude among the legal staff was, âThis is my computer and my network; youâre just a computer janitor.â
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The purpose of this article is to analyze a public exploit in a lab environment, see the alerts generated by an intrusion detection system, and then do some packet analysis of the malicious binary in order to better understand what it does and how you may have been compromised. Part 2 of 2.
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The tool from Blue Coat Systems detects spyware at the Internet gateway as well as the desktop and is designed to keep it from affecting network performance and security.
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The first computer worm to eavesdrop on network traffic after it infects a computer has been discovered by security experts. The SDBot.
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Reports of vulnerabilities found by some peer-to-peer file sharers prompt patch.
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The ground rules of the tests of Cisco and Avaya systems.
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Forensic Technology's system lets investigators analyze evidence over a network.
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Virus writers have grafted a network sniffer into the latest variant of the SDBot worm series. So far there are no reports of SDBot-UH in the wild but the inclusion of selective network sniffing along with
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ISPs (but not big telcos) to offer bandwidth filtering
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Looks to commercial surveillance tools
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This third and final article in the Metasploit series covers the msfcli scripting interface as well as the intuitive web interface to the Framework. The article also discusses what's new with version 2.2, and then introduces the exploit development process through an example.
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Xangati today announced the first rapid problem identification (RPI)  appliances, a product family whose precision profiling capability  enables network operations -- in record time --  to accurately pinpoint the sources of application and network  performance issues across the enterprise.
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This article discusses the discovery of compromised machines in large enterprise environments, and offers some suggestions on correlating NIDS and HIPS logs to avoid false positives.
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This paper looks at the evolution of firewall technology towards Deep Packet Inspection, and then discusses some of the security issues with this evolving technology.