Bluetooth Tracker in Mail Exposes Warship Location (tomshardware.com)

• Exploitation of consumer IoT in military logistics
• Successful real-time location tracking
• Security failure in postal vetting procedures

"A Bluetooth tracker concealed within a mailed postcard successfully tracked the real-time location of a naval vessel. The incident highlights critical security gaps in military logistics and the rising risk posed by off-the-shelf consumer IoT devices in secure environments."