I'm a world-wide security evangelist, meaning I write and speak about hackers, cryptography, fraud, malware and all that interesting stuff.

I've spoken at over 30 conferences on all six developed continents. Some of my favorite engagements were speaking at RSA Europe in Amsterdam, InfoSec in London and Gartner Data Center in Las Vegas

I write a bi-weekly column at SecurityWeek, and have had the good fortune to write for DarkReading and SC Magazine and Network World.

They call me the "one-take wonder" in the studio, because I've done so many videos that I just do it in one take anymore.

I'm a fly-fisherman, a baseball fan and a craft beer enthusiast.

My Memoirs...


Jan. 15, 2013 

Get in the Closet #2

I met Enn in the second year after my divorce. A freckled, buxom redhead, she was intelligent, emotional, and about ten years younger than me. She didn’t have many friends, and she was cautious and suspicious about dating. Like many redheads, Enn had a mean streak. Her husband, having discovered that he had a thing for Asian girls, had abandoned her and their young son. She ended u...

[ read more ] tags:  loveland dating

Welcome to the Vanity Site of David William Holmes

Sept. 13, 2017:  tags:  cryptography hackers

Five Reasons the CISO is a Cryptocurrency Skeptic

I've been a cryptocurrency skeptic for years. Much of that skepticism comes from hundreds of hours of talking with real CISOs and directors of security about how they can better protect real (not virtual) currency. Even with the resources of enormous budgets and huge security teams they can barely keep the hackers from stealing all the monies. When F5 Labs asked me to write up my opinions about Bitcoin, I threw this together. Not a bad little piece.


Feb. 5, 2018:  tags:  in-the-news hackers

Is the Philippines ready for the Internet's Dark Side?

What's the difference between DarkWeb and DarkNet? That's just one of the questions that my colleague, Ray Pompon, and I answered in this wide ranging interview. Really liked how this one came out.


Jan. 30, 2018:  tags:  infosec iot

IoT: Moving to Security by Design

Here's the podcast of an interview I gave for Data Breach Today and Info Risk Today to Suparna Goswami of ISMG. This is basically the podcast version of the stump speech I give about securing IoT.


Jan. 24, 2018:  tags:  SSL-TLS cryptography

Everyone loves Curves! But Which Elliptic Curve is the Most Popular?

I was doing a research piece on the prevalence of different elliptic curves, and turned it into a blog. For some reason I started comparing each curve to a different pop star. Eventually it seemed silly but my editors liked it that way so we published it. This is all from my TLS scanning project.


Jan. 17, 2018:  tags:  SSL-TLS cryptography security-week

Stack Ranking SSL Vulnerabilities: The ROBOT Attack

My latest piece for SecurityWeek is an analysis of the ROBOT attack against TLS stacks. Check out how many of these I've done now, it's crazy.


Jan. 4, 2018:  tags:  infosec hackers

MIRAI IS ATTACKING AGAIN, SO WE’RE OUTING ITS HILARIOUS, EXPLICIT C&C HOSTNAMES

Slightly explicit content here. Was talking with my colleague Justin, and he was saying how the latest list of command-and-control hostnames for the Mirai botnet contained some hilarious examples like "cnc.smokemethallday.tk". We thought it would be a good for a laugh to do some analysis on the names where the servers are hosted from.


Announcements:

Task Completed
Fix the footer May 18, 2017
Split Writing in to fiction, essays and more Sept. 16, 2016
Show associated tags in the content lists Sept. 16, 2016
Main page should show recent content None
in-the-news vs tag incorrect (tag is correct) None


Task List

Task Status
Hookup date selectors in fishing, writing, photos Medium
Secure this site with an AWS certificate Medium
Bring in fishing reports from Tumblr Low
Bring in fishing reports from flyfishsnoqualmie Medium
Add essay about medicine to writing page Low
Add Headshots gallery Medium
Put manila article on there Medium
Move changelog to nav bar Medium
Where is Bad Art in writing? High
Fix RSA2015 Low