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About the Target Attack
  • Technology

About the Target Attack

keenertech January 14, 2014
For those who might be interested in what really happened during the recent Target retail attack, where...
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Domain Names for Non-Techies
  • Technology

Domain Names for Non-Techies

keenertech December 12, 2013
One of my non-technical friends, a writer and motivational speaker, bought a new domain name recently, then...
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The Magic Incantation
  • Training

The Magic Incantation

keenertech December 9, 2013
If you’re a system administrator, please don’t read this article. It contains highly sensitive and technical information...
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Using Social Networking to Fight Bad Actors
  • Presentations

Using Social Networking to Fight Bad Actors

keenertech September 20, 2013
Check out my cyber security presentation from GFIRST 2012… GFIRST was a 1500-person conference hosted by the...
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My Presentations on Slideshare
  • Presentations

My Presentations on Slideshare

keenertech September 15, 2013
I regularly release all of my presentations on Slideshare.net. To date, my presentations have been viewed over...
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Titanic Presentation Titanic: The Forgotten Passengers
  • Presentations

Titanic Presentation

keenertech September 12, 2013
This is totally non-technical, but the slides for my short talk on the Titanic are now online....
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Passed 1000 Downloads
  • Software

Passed 1000 Downloads

keenertech September 4, 2013
My new gem, domain_name_validator, has now passed 1000 downloads at RubyGems.
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575 Gem Downloads
  • Software

575 Gem Downloads

keenertech August 1, 2013
There’s been 575 downloads of my new gem, domain_name_validator, in the last month. I’m pretty pleased with...
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RSA Conference 2014
  • Events

RSA Conference 2014

keenertech July 27, 2013
I’ve put in a proposal to give an advanced talk on Apache SOLR, indexing strategies, and enforcement...
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New Creative Blog
  • Creativity

New Creative Blog

keenertech July 10, 2013
KeenerTech is my technical blog supporting my IT activities. For more “creative” endeavors, such as my non-technical...
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Recent Posts

  • Introduction to Git
  • Brainstorming with AI
  • Zero Trust Cheat Sheet
  • The SolarWinds Supply Chain Hack
  • The CareerBank Blimp

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You may have missed

Git For Real
  • Presentations

Introduction to Git

dkeener August 25, 2026
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  • Technology

Brainstorming with AI

dkeener February 23, 2026
zero_trust
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Zero Trust Cheat Sheet

dkeener August 21, 2022
solarwinds
  • Technology

The SolarWinds Supply Chain Hack

keenertech January 25, 2021
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