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Stuck on a blacklist? Sue the big guys! Cisco, Microsoft, Comcast, TRUSTe
A web based tool I frequently use is called Network-Tools.com. I frequently use the site to lookup names associated with IP addresses and whois information and ping to the addresses. A recent notice on...
View ArticleFree online IT education resource
I recently came across an excellent IT education resource that is free. It is the eTutorials.org website. According to the website it is a source of thousands online tutorials, useful tips, articles,...
View ArticleOnline Nmap video training – scan your network
Nmap has been around a long time. It has become an indispensable tool for identifying systems, services and vulnerabilities on a network. It has also been featured in movies like The Matrix Reloaded,...
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Check your IT environment health using this FREE Microsoft tool
Microsoft has an excellent free tool for checking the health of your IT environment in small to medium size networks (up to 20 servers and 500 clients). This tool will scan the environment and report...
View ArticleUse NMap to quickly scan a large subnet for MAC or IP addresses – even...
One of my favorite tools to manage a population of network hosts is the excellent tool NMap. It can easily and quickly be used to scan a large subnet for live hosts. I recently scanned a /16 or 65,535...
View ArticleSearch engine for telnet, ftp, ssh and http brings hackers closer to your...
Google is obviously a great tool for everyone including hackers. If you have never heard of Google Hacking, then I highly recommend you take a look at what might be exposed and found through a Google...
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Broadcast traffic told me the network was contaminated
If you don’t know what’s broadcasting on your network, you don’t know your network! I recently discovered a rogue network cross-connection on a network. The cross connect was from an unmanaged internet...
View ArticleNmap 5.20 released – 150+ improvements
In July 2009, Fyodor released Nmap 5.0 with over 600 changes.This was the first major release since 1997. On January 20, 2010, Nmap 5.20 was released with an additional 150+ improvements. Some of these...
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Wireshark Book – Coffee & a Quickie
Laura Chappell, my favorite Bitgirl, has released a new book about the Wireshark packet capture and analysis tool. My book is on it’s way. I can’t wait to dive right in and learn some new tricks....
View ArticleOnline devices, applications and threats grow – predictions for 2013
The Cisco 2010 Midyear Security Report shows some staggering statistics about the number of online devices, mobile applications and security threats projected to be around in 2013. In 2007 there were...
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