Computer Sciences

Researchers design more secure mobile contact tracing

For public health officials, contact tracing remains critical to managing the spread of the coronavirus—particularly as it appears that variants of the virus could be more transmissible.

Telecom

Boom in demand for friendly hackers as 5G approaches

As the number of online devices surges and superfast 5G connections roll out, record numbers of companies are offering handsome rewards to ethical hackers who successfully attack their cybersecurity systems.

Internet

Alphabet harnesses light beams to bring Internet to Africa

While we tackle scores of digital tasks daily on our desktop computers, smartphones, smart watches, notebooks, security devices and sound systems, and converse with Siri, Alexa and Google Assistant to answer questions or ...

Computer Sciences

Double patterns could advance Android device security

Researchers have found that using multiple patterns to unlock an Android phone provides significantly more security than the current single-pattern method, and, in some cases, may be more secure than the four- and six-digit ...

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