Please use open source systems whenever possible so you can review the source code. Encourage vendors you work with to stop keeping their software hidden so it can be audited.
Slovakia discovers Russian backdoors in 279 new traffic cameras — SMS-triggered shell access and passwordless live feeds found in EU-funded rollout | Tom's Hardware
https://www.tomshardware.com/tech-industry/cyber-security/slovakia-discovers-russian-backdoors-in-279-new-traffic-cameras-national-security-service-deactivates-offending-units
For those who can read the original:
https://www.sk-cert.sk/sk/varovanie-pred-rizikami-cestnych-meradiel/index.html
