News Summary

• Reverse engineer and cybersecurity bounty hunter log4j recently found they were getting “weirdly targeted ads” on their Samsung TV.
• They decided to reverse-engineer the Tizen OS on their TV to see what it was doing.
• The hacker even found a region-specific convolutional neural network (an AI) that tracks user behavior, citing examples like what videos the user watches, which ads are skipped, and video progress.
• Log4j also found behavior for TVs without microphones, stating it will find connected devices with microphones, such as a soundbar or a connected Bluetooth device, to record audio.