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 ...

In today’s digital age, the ability to create and save digital signatures has become an invaluable skill. Whether you're signing contracts, authorizing documents, or adding a personal touch to your ...

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From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...