Documented incidentDisclosed 2023-09-27Johnson ControlsSEC filing

Cyberattack disrupts Johnson Controls' internal IT infrastructure (2023)

Ransomware encrypted virtual hypervisors; halted manufacturing and billing operations incurring $27M in direct remediation costs.

The failure pattern

Watch the pattern: Insufficient segmentation lets a foothold spread

Safeguards that address it

CollectSEA's engineering analysis of what would have prevented or contained this failure.

  • Segment and protect hypervisor infrastructureIsolate virtualization management and enforce MFA and least privilege on administrators.
  • Immutable backups with tested restoresKeep offline copies of virtual machines and rehearse restoring critical workloads.

Related standards

CollectSEA's mapping through this incident's failure pattern; not an official determination by the standards bodies.

Building something similar?

Describe your design and see every precedent that applies, with safeguards you can hand to your coding agent.

Analyze your design