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To paint you a bigger picture of how Electron apps can look like, let’s take the simplest example possible. Renderer process however is responsible for displaying the chosen content to the user. The main process in Electron applications is what is responsible for creating and managing web pages and for a life-cycle of events throughout the life-time of the application. To avoid the information overload, let’s focus here on couple of the key points about the processes. This here works sort of like a safety mechanism. Each of those processes is running concurrently with others and their resources as well as the memory are isolated from eachother. What this means is that if you take a look at a launched Electron application, you would notice 2 types of processes being created: 1 main process and 1 or multiple renderer processes associated with it. Similarly to Chromium, Electron uses a multi-process architecture.

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When I am talking about the Electron framework, it really means talking about its 3 core components: Node.js, the libchromiumcontent module from the Chromium project (the core code needed to render a page) and the V8 JavaScript engine. To get to the main part of this article, let me feed you some background information. Now, when the web technologies have been released into the ‘wild’ a.k.a to the desktop in this case, the web-based vulnerabilities should be reappraised as the consequences can be significantly different than expected. Over the decades, various security techniques to mitigate desktop specific vulnerabilities have been developed, which makes it difficult to successfully exploit traditional desktop applications. Exploring new frameworks is good, but should be done with good caution! I will explain why.

Big names like Skype, Wire, GitKraken, Slack and so many others have already adopted the framework and tons of open source projects in Github and the ones advertised on the official Electron website have followed. This has allowed the adventurous web application developers to cross the border over to the desktop environment with ease. This article is supporting my talk at the NorthSec 2018 conference in Montreal titled “Only an Electron Away from Code Execution” and the corresponding slides can be found here.Įlectron framework enables to create multi-platform desktop applications by only using web technologies like HTML, JavaScript and CSS.

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