Akamai acquired LayerX. This previously published blog post reflects the product and feature names on the original date of publication.

\r\n Executive Summary: LayerX researchers have discovered how a simple custom font can compromise every AI system in the market. With nothing more than a custom font and simple CSS, we created a webpage where the browser renders instructions that would lead the user to execute a reverse shell, while the DOM text analyzed by AI tools contains harmless video game fanfiction.

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\r\nThe malicious instructions exist only in the rendering layer, and every AI web assistant we tested failed to identify the threat. Fonts are a well-known attack vector for deploying malware, and our research demonstrated how they can also be leveraged for prompt injection and poisoning AI systems.…