Twitter images can be abused to hide ZIP, MP3 files — here’s how



Yesterday, a researcher disclosed a method of hiding up to three MB of data inside a Twitter image.

In his demonstration, the researcher showed both MP3 audio files and ZIP archives contained within the PNG images hosted on Twitter.

Although the art of hiding non-image data in images (steganography) isn’t novel, the fact that the images can be hosted on a popular website like Twitter and are not sanitized opens up a possibility for their abuse by malicious actors.

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