S4x26: Feb 23 – 26, 2026

In Miami South Beach

Tickets 751 – 1,001 On Sale Now

S4x26 Starts In

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S4 is …

Optimistic … Forward Looking … Creative … Driving Change

Set free a conservative, slow moving, change resistant community to discover new ideas and come up with innovative ways to use these new ideas to deploy secure, resilient and better ICS. It’s 3-days on 3-stages of sessions for the advanced OT security pro and early adopters. S4 is much more than the sessions. You will be with 1,000+ of the best in world talent. Influencers. Creators. People who are pushing boundaries. And we have a lot of fun with parties and eclectic experiences. All this in a creative environment that is designed to break you out of your normal thought patterns.

The best way to understand how S4 is different is to come to the event. The second best way is to ask someone who has attended, obviously we are biased. S4 is not for everyone. If you are an early adopter, like to be on the leading edge, or enjoy hearing, considering and creating new ideas, then there is a good chance S4 will be a great event for you.

 

Create The Future of OT and ICS Security at S4

Cabana Sessions At S4x26

We got a ton of blowback at S4x16 (in 2016) when we told attendees we would take the afternoon of Day 2 off to hang around the pool in the Cabana Sessions. And after that first year it has been a highlight for attendees. In fact, it was one of the biggest things...

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John Hultquist On The Future Threat Environment For OT

John Hultquist On The Future Threat Environment For OT

John Hultquist will give a keynote at S4x26 on Day 2, Wednesday. He is currently with Google Cloud is one of the leading investigators of Russian related threats to OT security including Sandworm and others. John also keeps an eye on what others are doing as a founder...

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OT Security Regulation Sessions At S4x26

OT Security Regulation Sessions At S4x26

Europe is driving global OT Security Regulation with NIS2 and CRA, and the S4x26 agenda reflects this. We don't have sessions explaining what these regulations are, with one exception, because most of the S4 attendees know this. Instead the focus is on the future....

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S4x26 Charity:Water Campaign Is Live!

S4x26 Charity:Water Campaign Is Live!

Goal: $20K To Provide A Village With A Clean Water Critical Infrastructure S4 Will Match All Contributions Until Goal Is Achieved Help the S4 Community give the gift of clean water by building simple critical infrastructure. 100% of every donation raised will fund...

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Proof Of Concepts Are Tracking Real World

Proof Of Concepts Are Tracking Real World

The POC Pavilion will show live demos installed on a simulated automotive OT environment that Booz Allen is bringing to S4x26. Check out the POC Pavilion page and documents for the details on the problems being solved, success criteria, the plant environment, and how...

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S4x26 Back Up Talks

S4x26 Back Up Talks

Every year we have between 3 and 8 S4 sessions drop out of the agenda. The speaker may need to cancel for personal reasons, job change, corporate restrictions, ... The presentation is not accepted because it's late, too commercial, differ than promised content, ... We...

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