69 citations · 138 across the 6 of their papers we have counts for
7 papers
ChirpOTLE: A Framework for Practical LoRaWAN Security Evaluation
Frank Hessel, Lars Almon, Flor Álvarez
Low-power wide-area networks (LPWANs) are becoming an integral part of the Internet of Things. As a consequence, businesses, administration, and, subsequently, society itself depen…
Acoustic Integrity Codes: Secure Device Pairing Using Short-Range Acoustic Communication
Florentin Putz, Flor Álvarez, Jiska Classen
Secure Device Pairing (SDP) relies on an out-of-band channel to authenticate devices. This requires a common hardware interface, which limits the use of existing SDP systems. We pr…
Bluemergency: Mediating Post-disaster Communication Systems using the Internet of Things and Bluetooth Mesh
Flor Álvarez, Lars Almon, Hauke Radtki +1
Mobile devices have shown to be very useful during and post disaster. If the communication infrastructure breaks down, however, they become almost useless as most services rely on…
Conducting a Large-scale Field Test of a Smartphone-based Communication Network for Emergency Response
Flor Álvarez, Lars Almon, Patrick Lieser +5
Smartphone-based communication networks form a basis for services in emergency response scenarios, where communication infrastructure is impaired or overloaded. Still, their design…
Maintaining both availability and integrity of communications: Challenges and guidelines for data security and privacy during disasters and crises
Flor Álvarez, Paul Gardner-Stephen, Matthias Hollick
Communications play a vital role in the response to disasters and crises. However, existing communications infrastructure is often impaired, destroyed or overwhelmed during such ev…
Sea of Lights: Practical Device-to-Device Security Bootstrapping in the Dark
Flor Álvarez, Max Kolhagen, Matthias Hollick
Practical solutions to bootstrap security in today's information and communication systems critically depend on centralized services for authentication as well as key and trust man…