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Security and Privacy on Android Devices
Michalec, Pavol ; Dzurenda, Petr (referee) ; Malina, Lukáš (advisor)
The bachelor thesis is about Android security. The main goal is to get acquainted with the security and cryptographic features of Android OS and then implement the knowledge gained into file encryption application. The theoretical part will familiarize readers with the new security mechanisms in Android 6, 7 and 8. We will also be dealing with malware and other forms of Android OS attacks. In the practical part, we will evaluate the cryptographic capabilities of Android as well as compare several libraries and applications for cryptography. Finally, we create our own cryptographic application with support for symmetric, asymetric and post-quantum cryptography.
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Security Testing of Obfuscated Android Applications
Michalec, Pavol ; Dzurenda, Petr (referee) ; Malina, Lukáš (advisor)
Diplomová práca je o bezpečnostnom testovaní obfuskovaných Android aplikácií. Teoretická časť práce opisuje základy obfuskácie a spomína niektoré vybrané obfuskátory. Dopad obfuskácie na penetračné testovanie je taktiež zmienený. Práca navrhuje dynamickú analýzu ako hlavný nástroj pri obchádzaní obfuskácie. Praktická časť práce popisuje ochrany aplikácie v reálnom čase a spôsoby, ako tieto ochrany obísť pomocou dynamickej analýzy. Druhá polovica praktickej časti je venovaná pokročilým technikám obfuskácie a spôsobom ich obídenia.
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Advanced Penetration Testing Of Obfuscated Android Applications
Michalec, Pavol
Android applications are susceptible to security vulnerabilities just like any other application. To minimize the risk and detect any potential vulnerabilities, penetration tests are conducted. However, many clients are not willing or are not capable to provide unobfuscated version of the application with security defenses disabled. It is up to the testers to bypass all these restrictions and properly test the application. Bypassing all the restrictions takes considerable ammount of time, thus making the test more expensive. This paper describes methodology for dealing with obfuscation as quickly as possible without creating unnecessary code or introducing additional tools.
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Security Testing of Obfuscated Android Applications
Michalec, Pavol ; Dzurenda, Petr (referee) ; Malina, Lukáš (advisor)
Diplomová práca je o bezpečnostnom testovaní obfuskovaných Android aplikácií. Teoretická časť práce opisuje základy obfuskácie a spomína niektoré vybrané obfuskátory. Dopad obfuskácie na penetračné testovanie je taktiež zmienený. Práca navrhuje dynamickú analýzu ako hlavný nástroj pri obchádzaní obfuskácie. Praktická časť práce popisuje ochrany aplikácie v reálnom čase a spôsoby, ako tieto ochrany obísť pomocou dynamickej analýzy. Druhá polovica praktickej časti je venovaná pokročilým technikám obfuskácie a spôsobom ich obídenia.
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Security and Privacy on Android Devices
Michalec, Pavol ; Dzurenda, Petr (referee) ; Malina, Lukáš (advisor)
The bachelor thesis is about Android security. The main goal is to get acquainted with the security and cryptographic features of Android OS and then implement the knowledge gained into file encryption application. The theoretical part will familiarize readers with the new security mechanisms in Android 6, 7 and 8. We will also be dealing with malware and other forms of Android OS attacks. In the practical part, we will evaluate the cryptographic capabilities of Android as well as compare several libraries and applications for cryptography. Finally, we create our own cryptographic application with support for symmetric, asymetric and post-quantum cryptography.
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