Rhcs

In July and August 2026, a coordinated cyberattack struck water systems across more than twelve U.S. states. Over a single weekend, more than thirty Minnesota water utilities lost control of their programmable logic controllers. Operators were locked out of their own equipment. Safety alarms were silently disabled while displays continued to show normal operation. Boil-water advisories went out across multiple states, and facilities fell back to manual operations — dispatching personnel to physically operate pumps and valves. ...

In the previous post, I covered event-driven certificate lifecycle management — how Ansible automates revocation when identity events fire. But revocation is only half the story. Before you can revoke a certificate, you have to issue one. And for IoT devices, issuance needs to be automated, constrained, and scalable. This post digs into the enrollment side: how to configure Dogtag PKI certificate profiles specifically for IoT devices, how to expose those profiles over the EST protocol for automated device enrollment, and how to manage it all with Ansible. ...