During World War II, the Allied powers intercepted huge volumes of radio communications being used by the Axis powers to coordinate military activity. Many intercepted messages had been encrypted ...

The traditional and well-established approach to cyber security is to build multiple layers of defences to stop hackers or rogue insiders getting unauthorised access to data. But you only have to ...

Whether written invisibly with lemon juice or encrypted with complex math, secret messages are passed on through a myriad of bizarre and convoluted ways. A team of engineers from China is introducing ...

Today, threat actors are quietly collecting data, waiting for the day when that information can be cracked with future technology.

To guarantee high data security, encryption must be unbreakable while the data remains rapidly and easily readable. A novel strategy for optical encryption/decryption of information has now been ...

The videoconferencing company Zoom has seen its star rise exponentially during the Covid-19 pandemic, as friends and coworkers increasingly turn to the service for a communication lifeline. With this ...

You're about to wind up your day and use your smartphone to check what's in your smart fridge to decide if you need to pass by the store or request delivery before you get home. You quickly pay for ...

(Nanowerk Spotlight) Hydrogels are crosslinked polymer networks that can absorb huge volumes of water. In recent years, significant progress has been made with so-called "stimuli-responsive" hydrogels ...