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John Hollenberger

John Hollenberger

Lead Consultant, FortiGuard Proactive Services at Fortinet; co-author of Cybersecurity Tabletop Exercises.

Jul 31, 2026

0:48
Would you mind telling us what Chaos Stack is?
0:52
Yeah, sure.
0:52
So Chaos Stack tabletop exercises, essentially it's just another way to look at a tabletop exercise.
0:59
so instead of it being more of a linear exercise which tends to be a little less stressful you know where you're talking from one inject you're staying on that topic for 15 20 minutes getting to a defined conclusion and moving forward to the next inject in chaos stack we're actually stacking the chaos up front so we're stacking the injects up front so having three or four injects coming at the organization or at the team in, say, 10 to 20 minutes.
1:31
And those are going to be stacking competing priorities.
1:34
So inject one might be something like we've got a network outage from the phone systems, which by and large is really just going to be maybe an IT problem or communications problem.
1:47
But then we, five minutes later, we put an inject out that now all of our systems are starting to show signs of encryption.
6:25
How much extra effort does it take to sort of set that up, and how much effect does it have on the entire scenario from your point of view?

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