Category: cellphones

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Duress Codes for Fingerprint Access Control

Posted on By infossl
authentication, biometrics, cellphones, deniability, fingerprints, Security technology

Mike Specter has an interesting idea on how to make biometric access-control systems more secure: add a duress code. For example, you might configure your iPhone so that either thumb or forefinger unlocks the device, but your left middle finger disables the fingerprint mechanism (useful in the US where being compelled to divulge your password … Read More “Duress Codes for Fingerprint Access Control” »

Security Risks of the President's Android Phone

Posted on By infossl
android, cellphones, eavesdropping, nationalsecuritypolicy, Security technology

Reports are that President Trump is still using his old Android phone. There are security risks here, but they are not the obvious ones. I’m not concerned about the data. Anything he reads on that screen is coming from the insecure network that we all use, and any e-mails, texts, Tweets, and whatever are going … Read More “Security Risks of the President's Android Phone” »

Capturing Pattern-Lock Authentication

Posted on By infossl
android, authentication, cellphones, phones, Security technology

Interesting research — “Cracking Android Pattern Lock in Five Attempts“: Abstract: Pattern lock is widely used as a mechanism for authentication and authorization on Android devices. In this paper, we demonstrate a novel video-based attack to reconstruct Android lock patterns from video footage filmed u sing a mobile phone camera. Unlike prior attacks on pattern … Read More “Capturing Pattern-Lock Authentication” »

Smartphone Secretly Sends Private Data to China

Posted on By infossl
android, backdoors, cellphones, china, Security technology, vulnerabilities

This is pretty amazing: International customers and users of disposable or prepaid phones are the people most affected by the software. But the scope is unclear. The Chinese company that wrote the software, Shanghai Adups Technology Company, says its code runs on more than 700 million phones, cars and other smart devices. One American phone … Read More “Smartphone Secretly Sends Private Data to China” »

Using Wi-Fi to Detect Hand Motions and Steal Passwords

Posted on By infossl
academicpapers, cellphones, hacking, passwords, Security technology, sidechannelattacks, wifi

This is impressive research: “When CSI Meets Public WiFi: Inferring Your Mobile Phone Password via WiFi Signals“: Abstract: In this study, we present WindTalker, a novel and practical keystroke inference framework that allows an attacker to infer the sensitive keystrokes on a mobile device through WiFi-based side-channel information. WindTalker is motivated from the observation that … Read More “Using Wi-Fi to Detect Hand Motions and Steal Passwords” »