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#thinking

88 posts

First principles and philosophy: mental models, worldview, frameworks for understanding

Thinking

Peace-time Cyber vs War-time Cyber

A long read on how cybersecurity doctrine built during 15 years of geopolitical peacetime is failing as nation-state actors abandon restraint and discretion.…

02 Jul 2025 · 5 min read
Teach

AI security: Tool, Target, Threat

The Tool/Target/Threat taxonomy for AI security — a shared vocabulary for the three orientations every conversation collapses without, built during EO 14110.…

04 Apr 2024 · 4 min read
Thinking

KEYNOTE: Release the Hounds, Part 2

Casey delivers "Release the Hounds, Part 2 - 11 Years Is A Long-Ass Time" as the keynote for BSides Knoxville on May 12th, 2023. This talk covers the history of vulnerability disclosure and crowdsourced security testing platforms, and dives into cybersecurity entrepreneurship.…

22 Jun 2023 · 1 min read
Thinking

Data is the new oil: Breach edition

Data is the new oil... It spills everywhere, trashes the environment, and is impossible to clean up. Think before you store.…

07 Oct 2020 ·
leadership

What's your 20/20?

“You can achieve less than you think in a year and more than you think in a decade.”…

09 Dec 2019 · 1 min read
Building

Firing your clients

This concept is pushed pretty hard in Tim Ferriss’ book the 4-Hour Work Week as well… In a nutshell – you don’t want…

17 Jan 2019 · 1 min read
Thinking

Bricks and Pyramids

QOTD: You have to build the bricks before you can build the Pyramids.…

11 Sep 2018 · 1 min read
Thinking

Mastering the mundane

I live a pretty frenetic and busy life both activity-wise and mentally. Some of this is environmental, most of this is my own making, and almost all of it I love… But it’s important to be reminded to appreciate the simple and sometimes boring things too.…

03 Sep 2018 · 1 min read
leadership

On insight, responsibility, and ownership

Recognizing a problem qualifies you to be a part of the solution. Refusing to be a part of the solution disqualifies you from complaining…

02 Jan 2018 · 1 min read
leadership

Living intentionally

Happy New Year! Pretty much everyone I’ve spoken agrees on the same thing: 2017 was a turbulent, change-filled year packed with as…

01 Jan 2018 · 1 min read
Security

My cybersecurity predictions for 2017

If 2016 did anything for cybersecurity, it was to prove that truth can end up wayyyyyyy stranger than fiction (where fiction, of course, are…

19 Dec 2016 · 1 min read
leadership

The three levels of input

A great tip one of our board members gave me a while back was that, as leadership and influence grow, it becomes increasingly important to make sure your team knows the type of input you’re giving them.…

31 May 2016 · 1 min read