On the Construction of Trapdoor Claw-Free Functions with Certifiable Key

Trapdoor claw-free functions TCFs underpin much of classical-quantum cryptographic interaction, yet every TCF-based protocol states its guarantees relative to an honestly generated key. We give a family-agnostic abstraction of key certification for noisy TCF constructions, built on two notions: a...

New Android Spyware LianSpy Evades Detection Using Yandex Cloud

Users in Russia have been the target of a previously undocumented Android post-compromise spyware called LianSpy since at least 2021. Cybersecurity vendor Kaspersky, which discovered the malware in March 2024, noted its use of Yandex Cloud, a Russian cloud service, for command-and-control C2...