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Titel: AppGuard — fine-grained policy enforcement for untrusted android applications
Verfasser: Backes, Michael
Gerling, Sebastian
Hammer, Christian
Maffei, Matteo
von Styp-Rekowsky, Philipp
Sprache: Englisch
Erscheinungsjahr: 2013
Freie Schlagwörter: security
DDC-Sachgruppe: 004 Informatik
Dokumentart : Report (Bericht)
Kurzfassung: Android’s success makes it a prominent target for malicious software. However, the user has very limited control over security-relevant operations. This work presents AppGuard, a powerful and flexible security system that overcomes these deficiencies. It enforces user-defined security policies on untrusted Android applications without requiring any changes to a smartphone’s firmware, root access, or the like. Finegrained and stateful security policies are expressed in a formal specification language, which also supports secrecy requirements. Our system offers complete mediation of security-relevant methods based on calleesite inline reference monitoring and supports widespread deployment. In the experimental analysis we demonstrate the removal of permissions for overly curious apps as well as how to defend against several recent real-world attacks on Android phones. Our technique exhibits very little space and runtime overhead. The utility of AppGuard has already been demonstrated by more than 1,000,000 downloads.
Link zu diesem Datensatz: urn:nbn:de:bsz:291-scidok-52763
Schriftenreihe: Technischer Bericht / A / Fachbereich Informatik, Universität des Saarlandes
Band: 2013/02
SciDok-Publikation: 17-Mai-2013
Fakultät: MI - Fakultät für Mathematik und Informatik
Fachrichtung: MI - Informatik
Fakultät / Institution:SciDok - Elektronische Dokumente der UdS

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