The concluding words of Unsolved! are a call to action. Craig Bauer, a US mathematician and editor-in-chief of the journal Cryptologia, ends his hefty history of cryptography by noting that even as he ...

The cipher controversy is back. The Intercept, an American media outlet known for unearthing secret documents, has claimed to have got hold of the text of the cipher that was at the centre of Imran ...

Cryptography puts the “crypto” in cryptocurrency. It has existed much longer than our digital age and has evolved like languages over the centuries. One of the most famous uses was developed by Julius ...

Carrie was a managing editor at CNET focused on breaking and trending news. She'd been reporting and editing for more than a decade, including at the National Journal and Current TV. A three-person ...