Certified Ethical Hacker (CEH) v13 312-50v13 — Question 303

In the neon-lit sprawl of Las Vegas, Nevada, a luxury hotel’s smart room control system suffered a breach, allowing an intruder to manipulate guest room settings. The incident investigation revealed that the IoT devices lacked any mechanism to verify the integrity or authenticity of software prior to execution, allowing tampered instructions to run unchecked. As Emma Ruiz, a cybersecurity consultant brought in to assess the breach, you recommend a solution that ensures only authorized, validated code is executed on the devices. Which secure development practice are you advising the hotel to implement?