3 Incident Response Playbooks for OT
If you will forgive yet another article inspired by the Colonial Pipeline incident … it does represent the oldest of the three must have OT Incident Response Playbooks. Playbook 1 – Enterprise Network Compromised Pending additional details (this is written...
The Industrial Edge, Cloud Services, and Purdue Level 1 Devices
The Industrial Edge can be understood through an analogy of the different types and capabilities of a Purdue Reference Model Level 1 device. I’ll use the AWS terminology for this article, and it could be written around Azure and other mature in concept cloud...
Requiring SBOMs And Their Impact On OT
Hope, 1 Step Backwards, and Business Models Hope The concept and benefits of a software bill of materials (SBOM) is simple to understand. A SBOM is a list of all software in an application or cyber asset. Vendors need to create and maintain a SBOM to have any...
Sprinting To Secure The US Power Grid
Last week a Bloomberg article covered the Biden Administration’s plan for a 100-day sprint to secure the power grid. I’ll comment on the three focus areas the article lays out and more broadly on 100-day efforts. Monitoring The Grid And Sending Data To The...
Book Review: This Is How They Tell Me The World Ends by Nicole Perlroth
Short Review This is a book that an ICS security professional should give to friends and family to read so they know why they do what they do. Nicole guides the lay person through her compelling journey to understand the 0day market and its impact on the security of...
How Do We Solve The OT Cybersecurity Staffing Challenges?
Three answers. 1. Women Women represent 51% of the population and 57% of the college graduates in the US. They comprise less than 10% of the OT Security workforce. Solving the problem could be as simple as adding women to the OT Security workforce until they...
Recommended Security Controls For Level 0 and Level 1
Part 1: Awareness of Purdue Level 0 and 1 (In)Security Part 2: Properly Prioritizing Level 0 and Level 1 Security In this third and final article in my Level 0 / Level 1 security series the focus is on the appropriate security controls. Sensors and Sensor Data The...
Properly Prioritizing Level 0 and Level 1 Security
We have resolved the issue on whether the ICS security community knows that almost all Purdue Reference Model Level 0 and Level 1 devices, and the protocols that communicate with them, lack authentication. They know this. The next question is what to do about it from...