Researchers at the Ruhr-University Bochum in Germany have figured out three different ways to forge digital signatures in PDF documents. The fakes will be treated as genuine on 21 of 22 desktop PDF ...

We get documents in PDF format from the government or other agencies. Some documents come with digital signatures placed on the pages. If they are already validated, we see a Signature Valid message ...

An electronic signature (or e-sign) has become an increasingly common mode of verifying one’s identity these days. Part of the reason for this is that an electronic signature eliminates the need for ...