zsh for Rational Mortals

As someone who’s spent years having to replace bash with zsh in every system I don’t understand this question. I’m a big zsh fan, check out zplug to do some awesome stuff really easily. — Scott J Roberts (@sroberts) June 4, 2019 This post, my first in quite awhile, is inspired by my good friend Phil. I understand these sorts of changes, and why they give people pause, but I see this as a big step forward....

June 5, 2019 · 5 min · Scott J Roberts

Building Better Security Presentations

I’m a person who loves a good presentation. I love building them, giving them, and watching them. I’m also a person who knows they take time and effort. Like any creative process what that time and effort looks like is different for everyone. Here is my process: Write The Abstract Now I’m very aware step one should of course be doing all the research and then building the presentation, but that never happens....

October 27, 2017 · 24 min · Scott J Roberts

Crash Override Chronicles: Victim

Victim Sites & Technology So all of those things were term or bits about generalized grid operations. What about the actual victim in this case. What was the equipment affected? Where was it? Ukrenergo According to Reuters: Kovalchuk said the outage amounted to 200 megawatts of capacity, equivalent to about a fifth of the capital’s energy consumption at night. There’s an interesting piece of data. 1/5 night capacity means one gigawatt (1000 megawatts) of total consumption at night....

August 31, 2017 · 2 min · Scott J Roberts

The Crash Override Chronicles: Overall

Source: Public Domain Pictures In the first post of the CRASH OVERRIDE Chronicles I outlined my plan for reviewing Dragos' CRASHOVERRIDE report in order to build an understanding of the ICS threat landscape, key technologies, and ultimately one of the major actors involved. This second installment is a run through of the whole report calling out areas I need to focus on learning & investigating. The first step was simple: Read the report....

August 16, 2017 · 8 min · Scott J Roberts

The Crash Override Chronicles

I’ve been lucky and had a really wide variety of experiences in information security throughout my career. Government & non-government. Vendor & practitioner. Finance & dotcom. I’ve seen a lot of stuff. It’s to the point that I get even more excited about the stuff I’ve never done. One of those moments happened a few weeks ago when the Dragos team released their Crash Override report. Full Disclosure: I know a few of the folks over at Dragos and consider them friends but friends that value good, even critical, analysis....

August 8, 2017 · 3 min · Scott J Roberts