# On hardening problems in critical infrastructure systems

> Research article (International Journal of Critical Infrastructure Protection, 2018) · cited 11× · AI/ML

**Wikidata**: [openalex:W2620817009](https://www.wikidata.org/wiki/openalex:W2620817009)  
**Source**: https://4ort.xyz/entity/on-hardening-problems-in-critical-infrastructure-systems