Android security
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Android is an open source software stack that includes an operating system developed by Google and the Open Handset Alliance. It uses the Java programming language and has the largest market share of any mobile operating system. Android provides security through sandboxes, permissions, and signatures to isolate apps and detect unauthorized changes. Some common mobile threats include malware apps, drive-by exploits, and vulnerabilities in the web browser. Users can help protect themselves by only installing apps from trusted sources, checking app permissions, avoiding sensitive info on public WiFi, and using antivirus software and passwords.
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Similar to Android security
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www.webliquidinfotech.com/
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If you are going to invest in an app development, then its important to choose a developer with great track record.
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Majority of today’s mobile apps consist of third-party code/libraries. This is a prudent and well-accepted development practice that offloads the task of developing code for non-core functions of your mobile app – or game. Identifying third-party code, its vulnerabilities and its license restrictions, is highly critical in order to understand your security exposure and your liability.
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Android ppt
This document provides an overview of the Android operating system, including its history, architecture, versions, features, advantages, and disadvantages. Android was founded in 2003 and was later acquired by Google in 2005. It uses an open source Linux kernel and is developed by the Open Handset Alliance. The architecture consists of four layers - the Linux kernel, native libraries, the Android runtime (Dalvik virtual machine), and applications. Key features include multi-tasking, a rich application ecosystem, and integration with Google services. Advantages are customization and openness, while disadvantages include inconsistent designs between apps and battery drain issues on some devices.
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This document provides an overview of Android, including its history, versions, architecture, security features, advantages, and disadvantages. Android was founded in 2003 and is an open-source operating system based on the Linux kernel. It uses Java for application development and includes features like multi-touch interaction, accelerometers, and GPS. The Android architecture consists of applications, an application framework, native libraries and the Linux kernel. Security is enforced through process isolation and permissions. While Android provides customization, app availability and integration with Google services, disadvantages include inconsistent designs between apps, battery drain, and lack of control over third-party apps in the Android Market.
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This document provides an overview of the Android operating system, including its history, architecture, versions, features, advantages, and disadvantages. Android was founded in 2003 and was later acquired by Google in 2005. It uses an open source Linux kernel and is developed by the Open Handset Alliance. The architecture consists of four layers - the Linux kernel, native libraries, the Android runtime (Dalvik virtual machine), and applications. Key features include multi-tasking, a rich application ecosystem, and integration with Google services. Advantages are customization and openness, while disadvantages include inconsistent designs between apps and battery drain issues on some devices.
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- 3. What is Android? •Android is a software stack for mobile devices that includes an operating system •Developed by Google and Open Handset Alliance ‘OHA’ •Android platform using the Java programming language •Largest market share ,more than Symbian and IOS
- 4. Application Components • Activities: An activity represents a single screen with a user interface. • Services: It is runs in the background . • Broadcast receivers: Responds to system-wide broadcast announcements. • Content providers: It is manages a shared set of application data.
- 6. Types of threats • Malware apps: The idea is to lure users into downloading a free or heavily discounted game, get them to launch it, and clandestinely install malware behind their back. • Drive-by exploits: The idea is to lure Android users to visit a website containing code that exploits a known weakness in a browser.
- 7. • Web Browser Vulnerability • available as of October 22, 2008. • Can affect any information browser have access on them. • GappII • The service runs behind the scene and monitors the status of current phone screen. • can be remotely controlled to install additional apps without user’s knowledge.
- 8. • UpdtKiller • Upload victims’ personal information and retrieve commands from a remote control and command (C&C) server. • Block antivirus software processes so that viruses can’t be detected. • UpdtBot • UpdtBot registers a remote Command and Control (C&C) server. • Can send text messages, make phone calls, and download and install apps.
- 9. Security Mechanism in Android Sandboxes Each application is associated with a different UID. Every application runs in its own Linux process. Each process runs on its own Java VM. Application’s directory is only available to the application.
- 10. Security Mechanism in Android Permissions • Any application needs explicit permissions to access the components of other applications. • These permissions are set by the package installer.
- 11. Security Mechanism in Android Signatures Any Android application must be signed with a certificate whose private key is held by the developer. Identify the code's author. Detect if the application has changed. Establish trust between applications.
- 12. How to protect ourselves • Download Apps Only from Trusted Sources • Always check app permissions. Whenever you download or update an app, you get a list of permissions for it. • Don't View Sensitive Information on Public Wi-Fi • Put a malware and antivirus scanner on your phone. • Protect Your Phone with a Password
- 13. Conclusion • Android has a unique security model, which focuses on putting the user in control of the device. • It is balance between security and usability.
- 14. Thank you ….