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Recently I tried interacting with one of my lab Security Onion sensors running the Suricata IDS. I found the Sguil server was taking a reall...

First the good news: my new book Practical Network Security Monitoring is on track, and you can pre-order with a 30% discount using code NS...

Last week I wished this blog happy tenth birthday and announced plans for a new book on network security monitoring . I also mentioned a c...

Nearly ten years after I started writing my first book , the Tao of Network Security Monitoring , I'm pleased to announce that I just si...

I just watched an incredible technical video. If you have about 10 minutes to spare, and want to be amazed, take a look at Snorby Cloud. I t...

Happy New Year everyone, and with some new open source software, what a year it will be. Monday Doug Burks released Security Onion 12.04 . P...

I recently received the following via email: I am writing a SANS Gold paper on a custom full packet capture system using Linux and tcpdump. ...

"I want to detect and respond to intruders but I don't know where to start!" This is a common question. Maybe you have a new...

Dustin Webber just posted a really cool video called Network Security Monitoring with Siri . He shows how he uses his iPhone 4S and SiriPro...

Erik Hjelmvik was kind enough to send an evaluation copy of the latest version of his NetworkMiner traffic analysis software. You can down...

I just noticed there is now a Kindle edition of my first book, The Tao of Network Security Monitoring: Beyond Intrusion Detection , publishe...

Thanks to @sevanjaniyan and @cperciva for helping with my FreeBSD startup script issue. By removing the ${barnyard2_flags} argument from th...

Many TaoSecurity Blog readers are undoubtedly familiar with NetWitness . Several weeks ago I met with their CEO and CTO to discuss their pr...

John He from DualComm Technology was kind enough to send me one of his company's port-mirroring switches, namely the DCGS-2005 picture...

I've got a book for the Korean cyber armies, North and South. That's right, it's my first book , The Tao of Network Security Mo...

Time is an important aspect of Network Security Monitoring. If you don't pay close attention to the time shown in your evidence, and re...

I know some of us worry that the advent of the "cloud" will spell the end of Network Security Monitoring and related network-centr...

I saw that presentations from Sharkfest 2010 are now posted. This is the third year that CACE Technologies has organized this conference. ...

I noticed three interesting blog posts that address security instrumentation failures. First, security software developer Charles Smutz post...

It was with some small amusement that I read the following two press releases recently: First, from May, NetWitness® and ArcSight Partner to...