Half of the Websites Using WebAssembly Use it for Malicious Purposes


    Around half of the websites that use WebAssembly, a new web technology, use it for malicious purposes, according to academic research published last year. From a report: WebAssembly is a low-level bytecode language that was created after a joint collaboration between all major browser vendors. It introduces a new binary file format for transmitting code from a web server to a browser. Once it reaches the browser, WebAssembly code (Wasm) executes with near-native speed, similar to compiled C, C++, or Rust code. WebAssembly was created for both speed and performance. Due to its binary machine-friendly format, Wasm code is smaller than its equivalent JavaScript form, but also many times faster when executing. This has made WebAssembly the next incarnation of Adobe Flash, allowing websites to run complex CPU-intensive code without freezing a browser, a task for which JavaScript was never designed or optimized for. Read more of this story at Slashdot.


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