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Category: Mobile & Cloud

Cryptographic Access Protection: Transformation from Interactive to Non-Interactive Proxy Re-Encryption

posted in #IT Security, Mobile & Cloud on the 28.03.2022

Cloud services made it possible for users to conveniently store their data in the cloud and share it with other […]

On-Device Patching Framework for Android Applications

posted in #IT Security, Mobile & Cloud on the 21.12.2021

Patching existing Android packages has a broad range of applications, ranging from fixing security vulnerabilities to instrumenting potential malware, or […]

Cross-User Security on Android

posted in #IT Security, Mobile & Cloud on the 25.10.2021

This report takes a closer look at the security of the isolation between different user accounts on Android. In particular, […]

Challenges of Encyption: Recovery and Computation

posted in #IT Security, Mobile & Cloud, News on the 4.10.2021

Encryption represents a fundamental tool to protect the confidentiality of sensitive data, such as identity attributes, medical data, and digital […]

Automatic Detection and Mitigation of Crypto API Misuse in Android Applications

posted in #IT Security, Mobile & Cloud on the 20.08.2021

Almost a decade after its first scientific discussion, crypto API misuse remains one of the most common security flaws in […]

Decentral Methods for Simultaneous Editing of Shared Data Structures

posted in #IT Security, Mobile & Cloud on the 23.07.2021

Systems such as Google Docs or web-based versions of Microsoft Office have been instrumental in driving collaborative document editing. Distributed […]

Android Application Patching Through Runtime Manipulation

posted in #IT Security, Mobile & Cloud on the 5.07.2021

Application patching is a promising concept for modifying the execution flow of a compiled Android application for the purpose of […]

Influence of Vendor Customisations on Device Security

posted in #IT Security, Mobile & Cloud on the 16.04.2021

In order to differentiate devices from other manufacturers and offer users added value, manufacturers of Android smartphones customize their devices. […]

New Trust Models based on Trusted Computing

posted in #IT Security, Mobile & Cloud on the 6.04.2021

Traditionally, two basic approaches to implementing trust models exist. On the one hand, there is hierarchical trust (most prominently standardised […]

Security Analysis of Mobile Applications for Crypto-Currencies

posted in #IT Security, Mobile & Cloud on the 24.03.2021

To manage virtual currencies such as Bitcoin or Ethereum, many users turn to mobile apps that promise a convenient form […]

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