20 Aug 2025 | A Year In OT Security, August
Security logs are essential in incident response and after incident investigations. Do you know: What OT security related logs you have? where they are? where they’re archived? who is responsible for the log? would the log still be available after a cyber incident? ...
13 Aug 2025 | A Year In OT Security, August
This week’s task is simple. Draw a line on the prioritized list of OT detection information sources you created last week. Everything above the line you are committed to monitoring, analyzing, and acting on alerts. Everything below the line is a future detection...
6 Aug 2025 | A Year In OT Security, August
Before you go out and spend a lot of resources to purchase, deploy, and run a sophisticated OT cyber detection system, ask yourself if you are taking advantage of existing, higher fidelity detection sources. This week’s task is to use interview and brainstorming...
29 Jul 2025 | A Year In OT Security, July
Access control is one area where ICS have had robust security controls for decades. These access controls can be customized down to the point or tag level, although this is rarely required. Remember our goal is to enforce least privilege. A user should only be able to...
22 Jul 2025 | A Year In OT Security, July
Week 35 addressed user accounts for cyber assets at unmanned sites. This week you will perform a user account review on all OT systems as part of your OT cyber maintenance. Identify all OT applications, systems, and devices that have user accounts. These could be...
