26 citations · 27 across the 4 of their papers we have counts for
4 papers · 1 filter
On the Security of Randomized Defenses Against Adversarial Samples
Kumar Sharad, Giorgia Azzurra Marson, Hien Thi Thu Truong +1
Deep Learning has been shown to be particularly vulnerable to adversarial samples. To combat adversarial strategies, numerous defensive techniques have been proposed. Among these,…
DoubleEcho: Mitigating Context-Manipulation Attacks in Copresence Verification
Hien Thi Thu Truong, Juhani Toivonen, Thien Duc Nguyen +3
Copresence verification based on context can improve usability and strengthen security of many authentication and access control systems. By sensing and comparing their surrounding…
Sensor-based Proximity Detection in the Face of Active Adversaries
Babins Shrestha, Nitesh Saxena, Hien Thi Thu Truong +1
Contextual proximity detection (or, co-presence detection) is a promising approach to defend against relay attacks in many mobile authentication systems. We present a systematic as…
The Company You Keep: Mobile Malware Infection Rates and Inexpensive Risk Indicators
Hien Thi Thu Truong, Eemil Lagerspetz, Petteri Nurmi +4
There is little information from independent sources in the public domain about mobile malware infection rates. The only previous independent estimate (0.0009%) [12], was based on…