The big picture: PDF encryption, as you can imagine, is commonly used in the world of business to protect trade secrets, confidential images and even health records. Some even send e-mail messages as ...

BERLIN (AP) — Cybersecurity researchers in Europe say they have discovered a flaw in an encryption algorithm used by cellphones that may have allowed attackers to eavesdrop on some data traffic for ...

FILE - In this Tuesday, March 3, 2009 file photo German Chancellor Angela Merkel holds a cell phone with a photo of her on the screen during her opening walk at the CeBIT in Hanover, northern Germany.