Make Us Your Kotlin Security Partner

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A programming language for App development with a lightweight library package which uses JavaAPI.

General-purpose open-source statically typed programming language used for android app development as an alternative to Java. It is more concise than java as it is focused on interoperability, security and clarity of app source code.

Kotlin Security

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To start with why not ? Our services range from App security to cloud security. With security Audits certified with HIPPA, ISO etc. Threats have become a part of digital life now. Security is the answer. Now "what security is provided to you" that is the question.

INVESICS offers all-round security catering to B2B and B2C needs to start with the answer.

USP of INVESICS we offers custom-made services according to the business requirement.

INVESICS is the helping hand for the security needs of the company.

INVESICS is the helping hand for the security needs of the company. You focus on business and we concentrate on digitally securing your business.

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Main Features

The main feature of Kotlin app development is being able to combine both the features of object-oriented programming and functional programming.
Kotlin uses the LLVM compiler to compile source code directly into binaries to be executed on Java Virtual Machine in a variety of mobile devices including ios devices.
It is more efficient than java apps as it is interoperable by skipping bytecode so the modules can synchronize with already present java code.
Kotlin app development is resistant to null pointer exceptions as it has inherent security features to avoid writing extra code to secure the app. Also, Kotlin has removed the feature of allowing raw data types which could throw a lot of exceptions.

Kotlin Security


Kotlin Architecture

Kotlin has a multi-layered architecture which can be divided into three modules for ease of understanding such as an app, domain, and data modules.
App module mainly handles the presentation layer of the android app maintained by the Android SDK components.
It includes activities and views maintained by the ViewModel class of Java programming language.
We just need to access methods defined in a domain module to directly access the data as required.
Also we define some repositories here which gather data from the data module and communicate to the upper layer.
The data module implements all the storage repositories which could be either database or any network source.

The main feature in the Kotlin framework is that the app module is only able to access data but is not aware of the source of the data, this feature is called repository abstraction.

Domain module contains all the source code written in Kotlin or in other words, it is the area containing the application logic. The source files are independent of any other modules, so it is the innermost layer of the framework.

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Kotlin Security

Practices to Secure Kotlin Apps

  • Use secure communication – Always ensure that secured protocols are being implemented for transmitting data
  • Apply signatures on app permissions – Instead of giving the user responsibility of assigning permissions, use signature-based permissions which will verify the signature of the sharing app and store sensitive data in private app storage
  • Ensure integrity of data – Include some code in the app to ensure the validity of data before and after transit as an attacker can intercept and corrupt the data
  • Update all app dependencies
  • Use intents to defer permissions

Kotlin Framework Vulnerabilities

Gradle artifacts of Kotlin apps were resolved using HTTP connection which could be exploited using MITM attack as data sent using HTTP protocol can be easily intercepted.
JetBrains Ktor framework was resolving Gradle artifacts using HTTP connection in Kotlin IDE versions before 1.1.0 resulting in MITM attack.
Kotlin ide before version 1.3.0 was resolving Gradle artifacts using HTTP connection during building app which resulted in MITM attack.

Methods to Security Test Kotlin Apps

  • Check the external storage for any easily accessible sensitive data as most of the attackers target external storage as accessing it does not require root access
  • Try to access the manifest file and verify that sensitive content providers that handle the transmission of data are provided some protection level
  • Access the external webviews and verify whether the data transmission is secured using an SSL certificate and the app verifies data before accepting from the webview
  • Navigate to each page of javascript in the webview to ensure it is protected from cross-site scripting attacks‎
Kotlin Security

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