…… ... 11 Lecture Deutsche Telekom Chair of Mobile Business & Multilateral Security Prof.Multilateral & Dr.Business KaiMobile of Chair Rannenberg Telekom Deutsche JohannWolfgang UniversityFrankfurt GoetheM. a. Mobile Business I (WS 2015/16) (WS I Business Mobile Market Overview of Mobile Operating Systemsand Security Aspects …… ... 2 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian platform (by ) Embedded Android (by ) Mobile Edition, PC Phone PC, Windows Pocket CE, 10 Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 3 2015) - 2015a] Statista [ OS Worldwide Sales to End End to Sales Smartphone Worldwide

Users Operatingby System(2009 Market share Market …… ... 4 Others [Gartner2013] Symbian Android 64,2% iOS 18,8% BlackBerry OS Worldwide Smartphone Sales to End End to Sales Smartphone Worldwide Users Operatingby System(Q2 2012) Windows Windows 2,6% iOS Bada 2,7% BlackBerry OS 5,2% Others 0,6% Symbian 5,9% Android …… ... 5 Others [Gartner2013] Symbian Android 79,0% Bada BlackBerry OS Worldwide Smartphone Sales to End End to Sales Smartphone Worldwide Users Operatingby System(Q2 2013) Windows iOS 14,2% iOS Bada 0,4% Windows 3,3% Others 0,2% Symbian 0,3% Android BlackBerry OS 2,7% …… ... 6 2014a] Android 84,7% Others Statista [ Bada Symbian BlackBerry BlackBerry OS BlackBerry Windows Worldwide Smartphone Sales to End End to Sales Smartphone Worldwide iOS Users Operatingby System(Q2 2014) Android iOS 11,7% iOS 0,6% Others Windows 2,5% Windows BlackBerry OS 0,5% OS BlackBerry …… ... 7 82,8% 2015a] Android Statista [ Worldwide Smartphone Sales to End End to Sales Smartphone Worldwide Users Operatingby System(Q2 2015) 13,9% iOS 0,4% Others Windows 2,6% Windows BlackBerry OS 0,3% OS BlackBerry …… ... 8 [Nielsen2012] During July 2012, of 51,9% owners smartphone in the US ahad device that runs on Android the . Others iOS 34,3% BlackBerry OS Android 51,9% US US installedsmartphone base iOS by Operating System (July 2012) (July System Operating by Android Others 5,9% BlackBerry OS 8,0% …… ... 9 [Nielsen2013] Others During Q2 2013 system. 52% of average an of smartphone owners in US the had a handset that on runs the Android operating Windows iOS 40,0% Android 52,0% US US installedsmartphone base by Operating System (Q2 2013) (Q2 System Operating by BlackBerry OS iOS Android Others 2,0% Windows 2,0% BlackBerry OS 3,0% …… ... 10 During July 2014 Android operating system. of average an of 51,5% smartphone owners in US the had a handset that on runs the [Statista2014b] iOS 42,4% iOS Others BlackBerry OS BlackBerry Windows Microsoft Android 51,5% US US installedsmartphone base iOS Apple by Operating System (July 2014) (July System Operating by Android 0,2% Others Windows 3,6% Windows BlackBerry OS 2,3% OS BlackBerry …… ... 11 Android operating system. During July 2015 of average an of 51,4% smartphone owners in US the had a handset that on runs the [Statista2015b] 44,2% iOS 51,4% Android US US installedsmartphone base by Operating System (July 2015) (July System Operating by 0,2% Others Windows 2,9% Windows BlackBerry OS 1,3% OS BlackBerry …… ... 12 3.3 2.7 0.4 0.3 0.2 79.0 14.2 2013 100.0 - 2Q13 Market Share Share (%) In1.000 Units [Gartner2015, Gartner2013] 838.2 630.8 471.7 7,407.6 6,180.0 2014 2014 vs.Q2 31,899.7 - 177,898.2 225,326.2 2Q13 Units by Operating System Operating by 2.8 0.7 0.5 83.8 12.2 100.0 2Q14 Market Share Share (%) 2015 2015 vs.Q2 - Q2 others 8,095 2,044 35,345 243,484 290,384.4 2Q14 Units 1,416.8 Worldwide Smartphone Users End to Sales Smartphone Worldwide 0.4 2.5 0.3 82.2 14.6 100.0 2Q15 Market Share Share (%) others 8,198 1,153 48,086 1,229.0 271,010 329,676.4 2Q15 Units TOTAL iOS Bada Others Android Symbian Windows BlackBerry OS BlackBerry System Operating Operating …… ... 13 4.7 100 2Q13 2Q13 14.2 44,3 31.7 2013 - Market Share (%) In1.000 Units In1.000 Units by Vendor by to End Users others 2Q13 2014 2014 vs.Q2 31,899.7 10,671.4 99,901.2 71,380.9 - 225,326.2 6.1 6.6 4.3 100 2Q14 2Q14 12.2 44.6 26.2 Market Share (%) [Gartner2013,Gartner2015] 2015 2015 vs.Q2 - Q2 2Q14 76,129.2 35,345.3 17,657.7 19,081.2 12,540.8 129,630.2 290,384.4 Worldwide Smartphone Sales Smartphone Worldwide 7.8 5.0 4.9 45.9 21.9 14.6 2Q15 2Q15 100.0 Market Share (%) 16,405.9 16,064.9 72,072.5 48,085.5 25,825.8 151,221.7 329,676.4 2Q15 Units Apple Others Xiaomi TOTAL * Samsung Company …… ... 14 Longterm trends (maybe?) Palm: 1st small and affordable PDA with address book, calendar, calendar, book, address with PDA affordable and small 1st Palm: and connectivity PC RIM Blackberry: 1stPDA phone with pushemail Microsoft: Architectures, systems operating Architectures, Microsoft: : Feature phones § § § § available from the big players: big the from available KillerApplicationChampions aresuccessfulvery alsois applicationkillertheiruntil time some for Big players (originally from neighbouring fields) neighbouring from (originally players Big modest)relatively (sometimes some haveoften investment: high to due share market § § …… ... 15 Mobile DevicesMobilevs. Stationary Devices memory, processing etc.) time, processing memory, Usability issues Security and system integrity issues Limited device capabilities and resources (storage, (storage, resources and capabilities device Limited § § § mobile operating systems also have to cope with with cope to have also systems operating mobile challenges: following the Due to the limitations of the mobile devices, mobile the of limitations the to Due § …… ... 16 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 17 Examples manufacturers based) - (Unix Mobile OS unavailable to other device device other to unavailable OS Mobile (formerly WebOS, initially developed by Palm, later HP) developed by WebOS, initially (formerly iOS Latest release: v2.0, e.g. on Samsung Wave 3 S8600 3 Wave Samsung on e.g. v2.0, release: Latest Latest release: BlackBerry OS 10.3.1 OS BlackBerry release: Latest Olla de Café initially LuneOS also was release: that OS) Latest Garnet (now: OS Palm with confused be to Not developed by Palm Latest release: 6.0 for most devices most for 6.0 release: Latest 9 iOS release: Latest § § § § § § LuneOS Samsungbada Palm OS(Garnet OS) Apple OS BlackBerry § § § § § mobile devices. mobile Originally, Originally, most manufacturers used their own “closed” operating systems theirfor § …… ... 18 manufacturers party party - General observations rd : Less flexible, as 3 Tend to be not as much affected by by affected much as not be to Tend Mobile OS unavailable to other device device other to unavailable OS Mobile Windows CE, Symbian OS, Android). Later, more and more platforms switched to more more to switched platforms more and more Later, open and interoperable operating systems (e.g. malware than “open” operating systems operating “open” than malware Disadvantage cannot beeasily installed and executed Advantage: § § § …… ... 19 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 20 Devices Palm OS Palm …… ... 21 Overview Palm OS Palm palmsource … are devices of the Most market. on the 6.1 version using no devices are There equipped with Palm OS 5.4 (Garnet), such as the Tungsten series. Palm (e.g. Treo series) Garmin (navigation devices) Fossil Samsung § § § § § § § § Current version 6.1 (Cobalt) 6.1 version Current Severaldevice manufacturers: The operatingsystemis made by § § § …… ... 22 Features Palm OS Palm (IEEE WiFi 802.11) GSM/GPRS CDMA IrDA § § § § § Long battery life battery Long Support for several encryption and security algorithms (e.g. RSA, SHA1, RC4) available software party 3rd of choice Large Support of theTCP/IP network protocol Integrated personal information management(PIM) Communication: § § § § § § …… ... 23 History Palm OS Palm with Windows with ” future versions to be based on the the on based be to versions future – Packard acquired Palm for $1,2 billion, name name billion, $1,2 for Palm acquired Packard Treo - devices, including smart phones and tablets and phones smart including devices, 2010: Hewlett 2010: change to HPwebOS HP2011: announced to the stop HPwebOS of production all 2006: Palm’s2006: “ Name change to Garnet OS Linux platform 2000: Palm Palm 2000: IIIc, device firstPalm using OS and displaycolour a Palm 2003: OS 5 Palm 2004: OS (Cobalt)6.1 Palm OS and (Garnet) 5.4 1996: Palm Palm 1996: , device firstPalm using OS Palm 1998: III Palm using OS v3 § § § § § § § § § …… ... 24 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 25 Apple iOSApple touch - party party hardware - based based operating system - interface usesmulti - User gestures a Unix run to OS the permit does not Apple on third Latest release: 9 iOS release: Latest iOS derived from Mac OS X, Developed by Apple for iPhone, iPod TV Apple and iPad Touch, § § § § § …… ... 26 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 27 based - = Linux = mobileOS Sailfish OS (by ) independent independent à - [WSJ2013] HTC 2“ for Symbian^3for 2“ devices based based - OS MeeGo (by Nokia, ) Manufacturer profit organisation ) organisation profit à - Focused Focused Mobile - CurrentlyTaiwan development by under Latest release: Sailfish OS v1.1.2.16 (February2015) v1.1.2.16 OSLatest release: Sailfish 2014) (November Latest release: 2.3 2014) (AugustLatest release: 1.4 Latest release: 6.0 (Marshmallow) Latest release: 6.0 6.5.5 LatestMobile release: .1 LatestPhone release: Windows Latest release: “Nokia Belle Feature Pack Feature BelleLatest release: “Nokia § § § § § § § § China (byNokia) (by Intel, Samsung, ) (by non Firefox OS Android (by Open Handset Alliance) Windows Mobile Windows Phone Linux: LiMo (Linux Mobile), Linux, Extended (Qtopia) Extended Qt Linux, Openmoko Mobile), (Linux LiMo Linux: Symbian platform § § § § § § § § § …… ... 28 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 29 Devices Symbian …… ... 30 Symbian [Symbian2006] Consortium/Licensees In 2006, Symbian was owned by owned was Symbian 2006, In …… ... 31 2008 - 1998 major major SymbianHistory becomes the Symbian^1 („Symbian partyapplications. - announced rd buys Symbian Ltd. and Nokia to code of Symbian platform Symbian of code to Symbian Foundation Foundation Symbian Open“: It is possible It possible install is 3 toOpen“: „ Beginningof 2001: Nokia 9210 Communicator § § 2008 June: June: 2008 December: 2008 contributor HSDPA = edition) ( 5th 9.4 OS Symbian 2007: One“) 2004: Symbian OS 8.0 OS Symbian 2004: edition) (S60 3rd 9.1 OS Symbian 2005: and WiFi withOS the extending released, 9.3 OS Symbian 2006: Owner: Ericsson, Nokia,, Psion,Siemens Sony and SamsungEricsson Electronics, 2001 since available were telephones OS Symbian „Open“ Symbian wasfounded as a privately owned company in June 1998. § § § § § § § § § …… ... 32 2014 - 2009 . SymbianFoundation SymbianHistory Symbian^3 to ] . Nokia takes over governance of the Symbian Symbian the of governance over takes Nokia . an update as first smartphone runtoSymbian^3. Symbian software Symbian [Nokia2013 ). ) organisation founded only - successor toSymbian OS and Nokia Series60 Belle Symbian outsources and store..com Relevance of Symbian platform, especially in the market, drops drops market, app mobile the in especially platform, Symbian of Relevance . Market share in sharp decline, notably in the high priced smartphone segment smartphone priced high the in notably decline,sharp in share Market . SymbianFoundation Symbianplatform 2015 January:Nokia Store discontinued andpartially transferred to OperaMobile Store. 2014 January:No new applications ( can beStore published Nokia the in development and 2,300 employees to Accenture to employees 2,300 and development 2012: SymbianBelle renamed toNokia Belle 2013: NokiaBelle Feature Pack 2 (latest version) smartphones. significantly 2011 September:Nokia platform. 2011: SymbianAnna 2011 February:Nokia collaborateswith Microsoft and adopts WindowsPhone 7 for their 2010: SymbianOS 9.5 (Symbian^3 2010 November:Due to a lackof support fromfunding members,transition into alicensing 2009: § § § § § § § § § § …… ... 33 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 34 Devices EmbeddedLinux …… ... 35 Overview installed Linux Linux installed - EmbeddedLinux “ operating system. operating “ Open SourceOpen CLinux, that can be installed on on installed be can that CLinux, µ Motorola, as one of the major mobile phone phone mobile major the of one as Motorola, their of (one) as Linux using was manufacturers, platforms.OS such assuch existingdevices(e.g. iPAQ). solution (e.g. Motorola, NEC, Panasonic). NEC, Motorola, (e.g. solution distributions, Linux several are there However, Only a limitedamanufacturersdeviceOnly amountof were offeringdeviceswitha pre Linux is anis „ Linux § § § § …… ... 36 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 37 Android - collabora Mobile G1 Mobile - September 2015: Version 6.0 Marshmallow October 2008: First commercially October commercially 2008: First available phone runningAndroid: T Android based on modified version modified based on Android of Linuxkernel Open Handset Alliance Handset OpenAlliance (OHA) 2007 in established Google and other membersof the Alliance Handset Open ted develop to and release Android. § § § § § …… ... 38 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 39 Devices Windows CE, Pocket PC, Pocket Pocket PC Edition, Phone Mobile …… ... 40 History [Hpcfactor2010] Windows CE, Pocket PC, Pocket Pocket PC Edition, Phone Mobile …… ... 41 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 42 Microsoft7 WindowsPhone technically technically new a Mobile New userinterface Aimed at consumer instead market consumer at Aimed of enterprisemarket unlikeWindows and different platform without compatibility backward 2010 Successor to Windows Mobile platform, but Launched in October and November and October in Launched § § § § …… ... 43 Microsoft8 WindowsPhone in April 2014 Successor Successor to 8.1 Phone Windows release: Latest October October 2012 with together Windows 8 with similar optics Windows Phone 8 launched in § § § …… ... 44 MicrosoftMobileWindows10

December 2015. December Lumiamodels. in expected is version full The November 2015: Supported phones phones Supported 2015: November 36 and (M8) One HTC include Mobile Insider PreviewInsiderMobile 10 Windows 2015. July in available

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§ § …… ... 45 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 46 Firefox OS Firefox Vivo ) user privacy ublicly demonstrated Congstar profit organization knownfor - Telefónica brand brand Telefónica in Poland by Deutsche Telekom(also , a non source mobile OS for smartphones and and smartphones for OS source mobile - Firefox OS first p OS first Firefox in Brazil by Mozilla in Spainin by Telefónica based open - Developers: (Septemberv2.5 2015) transferred to servers, exploited or traded. or exploited servers, to transferred F15 GoFox Symphony with 2014) (September v1.4 Consumers: Upon installation of applications, a reason is stated why why stated is a reason applications, of installation Upon certainrights are necessary andneed tobe grantedby user.the not device, the on locally analysed be will data User AlcatelTouchFireOne subsidiary by in sold Germany Fireweb LG ZTEOpen § § § § § § § Latest release: release: Latest Mozilla has strongposition on 2013 July: First commercial Firefox OS based phones phones based OS Firefox First commercial July: 2013 launched: Developed by Firefox applications HTML5 e.g. standards, on open Focus February: 2012 Linux computers tablet § § § § § § § …… ... 47 Systemsand Security Aspects Market Overview of Mobile Operating - Overview Overview based) - independent mobile OS - Symbian Symbian platform (by Symbian Foundation) Embedded Linux Android (by Open Handset Alliance) Mobile Edition, PC Phone PC,Pocket Windows Pocket CE, Microsoft 10 Windows Phone Microsoft Firefox OS Overview OS Palm Apple iOS (Unix Overview § § § § § § § § § § Security features selectedof mobile OS Manufacturer Mobile OS unavailable to other device manufacturers device other to unavailable OS Mobile The Market for mobile devices and mobile OS mobile and devices mobile for Market The § § § § …… ... 48 CurrentThreatsfrom Malware on Mobile OS Mobile on Malware party software: party - rd Malware can be executed on mobile operating operating mobile on executed can be Malware systems, either intentionally or by security leaks inside the (exploits). Device malfunction data) erasing (malware data of Loss to SMS sending malware (e.g. money of Loss premium services ) Shorter battery runtime (more processing/resource usage) § § § § Ø Possible threats for the user are: user the for threats Possible execution3 of Manymobileoperatingsystems allowthe § § …… ... 49 Timeline [ATD2013] PDA/Mobile PDA/Mobile Threats Card exploit Card - of of Mobile Malware : Telefonica Mailer SMS : Telefonica SMS unwanted : sends Flooder devices Palm on data : erases Phage : V Nokia malware OS : Symbian First : Liberty Horse Trojan : Horse Liberty Most popular target: Android target: Most popular The The number ofmalware programsmasquerading aslegitimate 09/2004 … 08/2001 09/2001 02/2003 09/2000 12/2000 mobile appsgrew by more than 600 percent in 2012 § Strong growth growth Strong § § § § § § § § Beginnings of of Beginnings Mobile Malware …… ... 50 2015 - [Sophos2015] Threats Timeline 2004 PDA/Mobile …… ... 51 [Sophos2015] 2011 - Threats Timeline 2004 PDA/Mobile …… ... 52 2015 [Sophos2015] - Threats Timeline 2011 PDA/Mobile …… ... 53 Security Precautions and Countermeasures Checking certificates Code Carrying Proof Virus scanners Firewalls Encryption Access control enforcement. their of monitoring and rights access of Definition Processes are not able to access the memory of other processes. other of memory the access to able not are Processes § § § § § § § § Additional Security Software may be needed, e.g. Support for security modules Secure before I/O checked is programs of Integrity management: integrity Code the are started by e.g. Access controls File File protection Memory protection Memory § § § § § § § …… ... 54 AccessControl Reading a file a Reading Writing a file device peripheral a Accessing § § § started by a user, can only execute those those execute only can user, a by started to. allowed are they which actions, The OS controlsthatusers orthe processes e.g. Every user has certain assigned access rights, accessassigned certain has user Every § § …… ... 55 Print Device’s Periphery AccessMatrix F3 Read Read Write Execute F2 Read F1 Read Read Write Object U3 U4 U1 U2 User …… ... 56 Securityof OperatingSystems [SM14] …… ... 57 - - - - 03. - grew - 09 lead - - smartphone - s 06 - - 22 u - teens - 26. malware - 11 - - - 11 - the 11 - - and - Bibliography 22. mobile - - 11 adults - - winning - 26. - finds - 11 - accessed 2013 accessed study - , store/, store/, - Changes to supported content types in the , accessed 2013 nokia - 22 - the 11 - - most/ - in owners.html, accessed owners.html,accessed 2013 - - types - android - smartphone Young Adults and Teens Lead Groth Among Smartphone Owners, Owners, Smartphone Among Groth Lead Teens and Adults Young Who‘s Winning the U.S. Smartphone Market?, - content - targets - Juniper Juniper Study Finds Mobile MalwareGrew600 Percent, Android Targets 03. .html, accessed 2013 among - - - 09 - percent - supported - [Nokia2013]Nokia Developer News: http://developer.nokia.com/Blogs/News/blog/2013/10/04/changes Store, Nokia to growth [Nielsen 2013] http://www.nielsen.com/us/en/newswire/2013/whos market [Hpcfactor2010] www.hpcfactor.com/support/windowsce, accessed 2014 http://commons.wikimedia.org/wiki/File:Windows_CE_Timeline.png,2014 accessed [Nielsen 2012] http://www.nielsen.com/us/en/newswire/2012/young http://www.gartner.com/newsroom/id/2573415,accessed 2013 [Gartner2015] GartnerGroup (2015), GartnerSays 2013 Since Worldwide Rate Growth SmartphoneSlowest Recorded Sales https://www.gartner.com/newsroom/id/3115517,accessed 2015 Most,http://allthingsd.com/20130626/juniper 600 [Gartner2013] GartnerGroup (2013), Gartner Says Smartphone Sales Grew Exceeded Sales46.5 for FirstTime, Percent in Second Quarter of 2013 and [ATD2013] § § § § § § § …… ... - 58 - der - - - der - - - timeline features - - , 07. - smartphone - - 2015, 10 der - - - der - security malware - - OS - 07. - von USA den in Nutzung - Bibliography 10 mobile 05. 07. 20. - - - - - 07. - mobile 11 10 - 09 - - - 10 - 2009/, accessed 2014 accessed 2009/, - 05. - 11 - quartal - 4 - usa/, accessed 2015 accessed usa/, usa/, accessed 2014 accessed usa/, - - seit - quartalen/,accessed2014 - den den - - in in 05. quartalen/,accessed2014 - - nach - - - 11 Focused Mobile Operating System (28 August 2013) August (28 System Operating Mobile Focused - - hersteller us/medialibrary/PDFs/other/sophos - nach - - hersteller - quartalen/,accessed 2015 smartphones smartphones - - - 26. smartphone - - nach fuer fuer - - - , accessed 2015 accessed , 11 - der Sophos,MalwareGoes Mobile: Timeline ofMobileThreats, 2004 - betriebssysteme - smartphone HTC Develops China Develops HTC - der - [WSJ2013] [WSJ2013] http://online.wsj.com/news/articles/SB10001424127887324463604579040172467657350, 2013 accessed [Statista2015b] Marktanteile der Betriebssysteme an der Smartphone der an Betriebssysteme betriebssystemeder Marktanteile [Statista2015b] Januar 2011Juli bis 2015. http://de.statista.com/statistik/daten/studie/77324/umfrage/marktanteile betriebssysteme [Statista2015a] Marktanteile der führenden Betriebssysteme am Absatz von Smartphones Smartphones von http://de.statista.com/statistik/daten/studie/173048/umfrage/weltweiter Absatz am [Statista2014d] Betriebssysteme führenden absatz der Marktanteile [Statista2015a] weltweit Quartalvom 1.2009 bis Quartalzum 2.2015. http://de.statista.com/statistik/daten/studie/73662/umfrage/marktanteil smartphone http://de.statista.com/statistik/daten/studie/77324/umfrage/marktanteile [Statista2014b] betriebssysteme http://de.statista.com/statistik/daten/studie/173056/umfrage/weltweite [Statista2014c] marktanteile [Sophos2015] [Sophos2015] 2011 https://www.sophos.com/enaccessed infographic.pdf symbianblogs.com/history.html, [Symbian2006] http://de.statista.com/statistik/daten/studie/73662/umfrage/marktanteil [Statista2014a] [SM14] L.Phifer, Comparing mobile OS security features (2014). (2014). features security OS mobile Comparing L.Phifer, [SM14] http://searchmobilecomputing.techtarget.com/tip/Comparing § § § § § § § § § §