Security

Two major security vulnerabilities found in PDF files

A combined team of researchers from Ruhr-University Bochum and Munster University has found two major security vulnerabilities in PDF files. They have documented their findings with a web-in-security blogspot posting.

Computer Sciences

Researchers hide information in plain text

Computer scientists at Columbia Engineering have invented FontCode, a new way to embed hidden information in ordinary text by imperceptibly changing, or perturbing, the shapes of fonts in text. FontCode creates font perturbations, ...

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