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How emojis are used to conceal hidden information - Global Business Outlook

Summary by Global Business Outlook
According to a security researcher, they have figured out how to conceal additional information within emojis. Paul Butler described his experiments with Unicode and how he developed a technique that takes advantage of variation selectors, which are special characters intended to alter the appearance of text but do not affect most characters. He was able to encode invisible messages inside an emoji (or any other Unicode character) by chaining th…
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How emojis are used to conceal hidden information - Global Business Outlook

According to a security researcher, they have figured out how to conceal additional information within emojis. Paul Butler described his experiments with Unicode and how he developed a technique that takes advantage of variation selectors, which are special characters intended to alter the appearance of text but do not affect most characters. He was able to encode invisible messages inside an emoji (or any other Unicode character) by chaining th…

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Global Business Outlook broke the news in on Tuesday, March 4, 2025.
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