Security of the Android Operating System Yury Zhauniarovich [email protected] http://zhauniarovich.com University of Trento About://  M.Sc. in Computer Security from the Belarusian State University  Ph.D. in Information and Communication Technology from the University of Trento  The author of the free book “Android Security (and Not) Internals” [1]  A reviewer of the book “Android Systems Development How-to” [2]  A developer of several research prototypes based on Android OS (YAASE [3], CRePE [4], MOSES [5])  Currently, a Postdoctoral Researcher at the University of Trento 2 Outline  General Bits and Pieces  Android Architecture  Android Security Internals  Security Problems and Solutions What is the codename of the following Android version? 4 General Bits and Pieces Android Architecture Android Security Internals Security Problems and Solutions Mobile Operating Systems 6 Why Android?  Open source system  On about 85% of all new mobile devices (according to the last IDC report [6])  A highly customized system (Facebook Home, Kindle Fire, different devices from China, CyanogenMod)  Running on different platforms (TV, Wearable, Auto)  Third-party applications can be easily developed  We can test third-party applications without publishing them in Google Play  1 million+ applications in Google Play 7 History of Android (2002-2007) • 2002: – Andy Rubin, CEO of Danger Inc., showed the first phone Sidekick at Stanford – Larry Page and Sergey Brin attended this event and became users of this phone • 2003: – Rubin has left the company because the things did not go well – In October, Andy Rubin, Rich Miner, Nick Sears, and Chris White founded Android Inc. in Palo Alto • 2005: – In August, Android Inc. is acquired by Google 8 History of Android (2007-2009) • 2007: – November 5, Open Handset Alliance was announced – The first product – Android • 2008: – In October, the first phone (HTC Dream) running Android 1.0 was presented • 2009: – In April, Android 1.5 Cupcake was presented – In September, Android 1.6 Donut appeared – In October, Android 2.0 Eclair was announced together with a new phone Motorola Droid (Milestone) 9 History of Android (2010-2013) • 2010: – Google launched Nexus series with HTC Nexus One – Google announced Android 2.3 Gingerbread, which was the most popular version till 2013, together with Samsung Nexus S – Android popularity first surpassed Apple iPhone’s • 2011: – Android 3.0 Honeycomb for tabs released with Motorola Xoom – Android 4.0 Ice Cream Sandwich appeared combining two development branches • 2012: – Android 4.1 Jelly Bean, 4.2 Jelly Bean • 2013: – Android 4.3 Jelly Bean, 4.4 Kitkat 10