OT Security Blog Articles

Insights on Resilience, Vulnerability Management, and More

Why manual OT asset inventories don’t work

Why manual OT asset inventories don’t work

By Walt Boyes  When we last saw our intrepid maintenance lead cybersecurity chief, he was waking up in the middle of the night from dreams of being the little Dutch boy with his fingers in the dike. Now, his manager has told him that because of the worsening economic...

read more
Boyes: Taking a hard look at OT threat detection

Boyes: Taking a hard look at OT threat detection

By Walt Boyes  When you want to control something, you must measure it. You cannot control something you cannot measure. That’s what we do in OT- we measure and then control the variables that are meaningful to the process we manage. There are other variables...

read more
Boyes: Use common sense in OT security

Boyes: Use common sense in OT security

By Walt Boyes  Our last article identified some serious and quantifiable risks for cyberinfrastructure failure not caused by external threat actors. These risks form the basis for most cyber threats OT companies face.  Are there real external threats? Of course....

read more
Boyes: OT security defenders need to look inside, not outside

Boyes: OT security defenders need to look inside, not outside

By Walt Boyes For over a decade, we have been reacting to the fear of cyber intrusion into OT (Operations Technology) networks in our industrial process plants, refineries, pipelines, and drilling rigs. We have dropped everything to patch apparent vulnerabilities...

read more
IT/OT Collaboration: The Blueprint for Operational Synergy

IT/OT Collaboration: The Blueprint for Operational Synergy

There is a notion that IT and OT teams are like oil and water. The two, even when inhabiting the same space, remain separate. Many companies treat the two teams this way. In doing so, they are missing an extraordinary opportunity: IT/OT collaboration. When thoughtful...

read more
IT/OT Convergence – the foundation of digital transition

IT/OT Convergence – the foundation of digital transition

In 2025, IT and OT teams in many organizations continue to work independently of one another. But there is a paradigm shift happening. The two, as they have been for years, continue to overlap. This convergence has become, as the title of this blog suggests, the...

read more