David Hasselquist
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View article: Toward Secure and Privacy-Preserving Communication over Non-Trusted Networks
Toward Secure and Privacy-Preserving Communication over Non-Trusted Networks Open
The widespread adoption of encrypted communication protocols has improved digital privacy. However, even if the content is encrypted, an attacker can exploit metadata and patterns in network traffic to infer a user’s activity and behavior. …
View article: Raising the Bar: Improved Fingerprinting Attacks and Defenses for Video Streaming Traffic
Raising the Bar: Improved Fingerprinting Attacks and Defenses for Video Streaming Traffic Open
Despite the clear dominance of video streaming traffic on the Internet and the significant ramifications of disclosure of which videos users are streaming, video fingerprinting has received relatively little attention compared to other tra…
View article: Now is the Time: Scalable and Cloud-supported Audio Conferencing using End-to-End Homomorphic Encryption
Now is the Time: Scalable and Cloud-supported Audio Conferencing using End-to-End Homomorphic Encryption Open
Homomorphic encryption (HE) allows computations on encrypted data, leaking neither the input nor the computational output. While the method has historically been infeasible to use in practice, due to recent advancements, HE has started to …
View article: QUIC Throughput and Fairness over Dual Connectivity
QUIC Throughput and Fairness over Dual Connectivity Open
Dual Connectivity (DC) is an important lower-layer feature accelerating the transition from 4G to 5G that also is expected to play an important role in standalone 5G radio networks. However, even though the packet reordering introduced by …
View article: QUIC Behavior over Dual Connectivity : Understanding QUIC throughput and fairness
QUIC Behavior over Dual Connectivity : Understanding QUIC throughput and fairness Open
QUIC is a relatively new transport layer network protocol that has gained popularity over the last few years. The protocol was initially developed by Google and standardization work has been continued by the Internet Engineering Task Force…
View article: Trends and Detection Avoidance of Internet-Connected Industrial Control Systems
Trends and Detection Avoidance of Internet-Connected Industrial Control Systems Open
The search engine Shodan crawls the Internet for, among other things, Industrial Control Systems (ICS). ICS are devices used to operate and automate industrial processes. Due to the increasing popularity of the Internet, these devices are …