IoT Security Archives

Voice Assistant Security: Protecting Privacy in AI-Driven Devices

October 17, 2025 by Mintu

Voice-activated assistants have become ubiquitous in modern life. From controlling smart home devices to answering questions, setting reminders, or managing calendars, AI-driven voice assistants like Amazon Alexa, Google Assistant, Apple Siri, and Microsoft Cortana have transformed how we interact with technology. However, this convenience comes with significant voice assistant security concerns. These devices constantly listen for wake words, collect voice recordings, and interact with other internet-connected devices, creating a new frontier for potential cyber threats. As the adoption of voice assistants grows, so does the need to ensure that these devices protect user privacy, prevent unauthorized access, and secure sensitive … Read more

Secret Commands in Bluetooth Chip Pose Major Security Threat Worldwide

March 13, 2025 by Mintu

A potentially severe cybersecurity issue has been uncovered that could impact over a billion devices worldwide. Cybersecurity researchers at Tarlogic have discovered hidden commands embedded in a Bluetooth chip widely used in various devices, including smartphones, computers, IoT devices, and medical equipment. These secret commands, which were not publicly documented, could allow hackers to impersonate trusted devices, spy on users, and steal sensitive information. The vulnerable Bluetooth chip, known as ESP32, is manufactured by the China-based company Espressif, which has reportedly sold more than one billion of these chips globally. The Discovery of Hidden Commands in Bluetooth Chips The research … Read more

US Ban on TP-Link Routers: Geopolitical Concerns Over Cybersecurity Risks

December 30, 2024 by Mintu

The Geopolitical Debate: A US Ban on TP-Link Routers In recent discussions, US lawmakers have proposed banning TP-Link routers, a popular choice among consumers and small businesses. With approximately two-thirds of the US market share, TP-Link’s dominance raises questions about potential cybersecurity risks and geopolitical implications. However, the driving force behind this proposal appears to be less about documented cybersecurity risks and more about mitigating unknown threats and addressing the geopolitical relationship between the US and China. Understanding the Threat Landscape Limited Known Vulnerabilities Contrary to what one might expect, TP-Link does not rank high on the list of networking … Read more