Whois queries are used to determine the IP address ranges associated with clients. A whois query can be run on most UNIX environments. In a Windows environment, the tools such as WsPingPro and Sam Spade can be used to perform whois queries. Whois queries can also be executed over the Web from www.arin.net and www.networksolutions.com.

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ZoneAlarm Using ”Scareware” to Sell Firewall

ZoneAlarm’s developer is using scareware tactics to force free-version clients into purchasing the full suite. Firewall developer Check Point Software Technologies has come under fire from consumers using the free

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CHScanner

CHScanner is an ARP, IPv4 and IPv6 network scanner with 31 scan methods: it scans for open ports, protocols, NetBIOS informations and Windows shares, SNMP information, and WMI (WBEM) information.

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What are the countermeasures against software keyloggers?

It is very hard to detect a keylogger’s activity. Hence, a Network Administrator should take the following steps as countermeasures against software keyloggers: * Actively monitor the programs running on

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