Happy 23rd Birthday TaoSecurity Blog

Happy birthday TaoSecurity Blog, born on this day in 2003! The best way to digest the key lessons from this site is to browse my four volume Best of TaoSecurity Blog book series, published in 2020. It's available in print as seen here, or as a properly formatted HTML-based digital book -- none of...

Happy 22nd Birthday TaoSecurity Blog

Happy birthday TaoSecurity Blog, born on this day in 2003! The best way to digest the key lessons from this site is to browse my four volume Best of TaoSecurity Blog book series, published in 2020. It's available in print as seen here, or as a properly formatted HTML-based digital book -- none of...

Bejtlich Skills and Interest Radar from July 2005

This is unusual. I found this "skills and interest radar" diagram I created in July 2005. It looks like my attempt to capture and prioritize technical interests. At the time I was about to start consulting on my own, IIRC. Copyright 2003-2020 Richard Bejtlich and TaoSecurity...

Key Network Questions

I wrote this on 7 December 2018 but never published it until today. The following are the "key network questions" which "would answer many key questions about a network, without having to access a third party log repository. This data is derived from mining Zeek log data as it is created, rather...

Core Writing Word and Page Counts

I want to make a note of the numbers of words and pages in my core security writings. The Tao of Network Security Monitoring / 236k words / 833 pages Extrusion Detection / 113k words / 417 pages The Practice of Network Security Monitoring / 97k words / 380 pages The Best of TaoSecurity Blog, Vol ...

Happy 20th Birthday TaoSecurity Blog

Happy 20th birthday TaoSecurity Blog, born on 8 January 2003. Thank you Blogger Blogger now part of Google has continuously hosted this blog for 20 years, for free. I'd like to thank Blogger and Google for providing this platform for two decades. It's tough to find extant self-hosted security...

Best of TaoSecurity Blog Kindle Edition Sale

I'm running a BlackFriday CyberMonday sale on my four newest Kindle format books. Volumes 1-4 of The Best of TaoSecurity Blog will be half off starting 9 pm PT Tuesday 22 Nov and ending 9 pm PT Tueday 29 Nov. They are here. There also appears to be a daily deal right now for the paperback of Volu...

TaoSecurity on Mastodon

--- I am now using Mastodon as a replacement for the blue bird. This is my attempt to verify myself via my blog. I am no longer posting to my old bird account. Copyright 2003-2020 Richard Bejtlich and TaoSecurity taosecurity.blogspot.com and www.taosecurity.com...

The Origins of the Names TaoSecurity and the Unit Formerly Known as TAO

What are the origins of the names TaoSecurity and the unit formerly known as TAO? Introduction I've been reading Nicole Perlroth's new book This Is How They Tell Me the World Ends. Her discussion of the group formerly known as Tailored Access Operations, or TAO, reminded me of a controversy that...

New Book! The Best of TaoSecurity Blog, Volume 3

Introduction I published a new book! The Best of TaoSecurity Blog, Volume 3: Current Events, Law, Wise People, History, and Appendices is the third title in the TaoSecurity Blog series. It's in the Kindle Store, and if you have an Unlimited account, it's free. I also published a print edition,...

New Book! The Best of TaoSecurity Blog, Volume 1

I'm very pleased to announce that I've published a new book! It's The Best of TaoSecurity Blog, Volume 1: Milestones, Philosophy and Strategy, Risk, and Advice. It's available now in the Kindle Store, and if you're a member of Kindle Unlimited, it's currently free. I may also publish a print...

Happy Birthday TaoSecurity.com

Nineteen years ago this week I registered the domain taosecurity.com: Creation Date: 2000-07-04T02:20:16Z This was 2 1/2 years before I started blogging, so I don't have much information from that era. I did create the first taosecurity.com Web site shortly thereafter. I first started hosting it ...

Happy 15th Birthday TaoSecurity Blog

Today, 8 January 2018, is the 15th birthday of TaoSecurity Blog! This is also my 3,020th blog post. I wrote my first post on 8 January 2003 while working as an incident response consultant for Foundstone. I don't believe I've released statistics for the blog before, so here are a few. Blogger...

Bejtlich Books Explained

A reader asked me to explain the differences between two of my books. I decided to write a public response. If you visit the TaoSecurity Books page, you will see two different types of books. The first type involves books which list me as author or co-author. The second involves books to which I...

Check Out My TeePublic Designs

Over the years fans of this blog have asked if I would consider selling merchandise with the TaoSecurity logo. When I taught classes for TaoSecurity from 2005-2007 I designed T-shirts for my students and provided them as part of the registration package. This weekend I decided to exercise my...

Happy 13th Birthday TaoSecurity Blog

Today, 8 January 2016, is the 13th birthday of TaoSecurity Blog! This is also my 3,000th blog post. I wrote my first post on 8 January 2003 while working as an incident response consultant for Foundstone. Kevin Mandia was my boss. Today I am starting my third year as Chief Security Strategist at...