Anonymous communication systems are essential tools for preserving privacy and freedom
of expression. However, traffic analysis attacks make it challenging to maintain unlinkability …

Metadata-private messaging (MPM) refers to an end-to-end encrypted messaging system
that protects not just the payload messages but also the privacy-revealing communication …

The Android ecosystem relies on either TrustZone (eg, OP-TEE, QTEE, Trusty) or trusted
hypervisors (pKVM, Gunyah) to isolate security-sensitive services from malicious apps and …

User programs recover from hardware exceptions and respond to signals by executing
custom handlers that they register specifically for such events. We present SIGY attack …

Camellia is an encryption algorithm implemented in many Internet of Things (IoT) devices.
However, intruders attack the Camellia cipher using Substitution Box (S-Box) distinguishers …

Edge computing provides higher computational power and lower transmission latency by
offloading tasks to nearby edge nodes with available computational resources to meet the …

Advanced anonymous communication schemes have been proposed to protect the privacy
of network users, enabling them to communicate anonymously on the Internet. However, this …

In many computer systems today, an attacker that compromises just one system component
can steal many users' data. Unfortunately, past experience shows that attackers are very …