In contrast to the cooperative preparations required for setting up private key encryption, such as secret-sharing and close coordination between sender and receiver ...

Computer scientists have devised an attack that reliably extracts secret cryptographic keys by capturing the high-pitched sounds coming from a computer while it displays an encrypted message. "We ...

In short, ransomware uses an assortment of techniques to block access to the victim’s system or files, usually requiring payment of a ransom to regain access. Recently we have seen significantly ...

Security researchers have discovered a new weakness that could allow attackers to spy on encrypted communications between users and one in three HTTPS servers. The problem exits because many HTTPS ...