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BLE Security in IoT: Pairing, Encryption & Best Practices
BLE security
January 16, 2026
Bluetooth Low Energy (BLE) is ubiquitous in IoT devices - from wearables and sensor nodes to industrial trackers. Its low power usage and broad ecosystem make it ideal for connected systems. But with wireless connectivity comes risk: how do you ensure BLE communication is secure, private, and resilient in real-world deployments? This article focuses on BLE security mechanisms, including pairing and bonding, encryption and key management, secure connections, privacy features, and common implementation risks observed in real-world IoT systems.

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