What challenges do developers face when creating IoT systems for large-scale operations?

[killamch89]

Developers, what are the toughest hurdles you've faced when creating IoT systems for massive operations? From ensuring reliable connectivity across thousands of devices to managing data security and integrating with legacy systems, let's discuss the real-world obstacles and share tips for overcoming them. How do you handle scalability, maintain network stability, and safeguard sensitive information?