Which security vulnerability is most commonly exploited in smart building systems designed by architects?

Modern architecture has embraced smart building technologies that integrate HVAC, lighting, security, and operations systems. While these innovations enhance efficiency and user experience, they also create new vulnerabilities. As architects increasingly incorporate IoT devices and automated systems into their designs, cybersecurity becomes a critical consideration. Test your knowledge about the intersection of architecture and cybersecurity in this poll!

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Unsecured IoT device networks with default credentials
Outdated smartphone apps used for building control
Excessive user permissions in building management systems
Quantum computing attacks on building encryption