Consumer & Gadgets

QR codes: Is it safe to scan?

The Coinbase Super Bowl commercial that featured a bouncing QR code set to music was so popular it caused the cryptocurrency app to temporarily crash. What does this tell us about how these codes are being used and how safe ...

Security

Ransomware attack locks down US prison

A ransomware attack locked down a US jail, knocking out security cameras and leaving inmates confined to their cells, court documents show.

Computer Sciences

Making Bitcoin more secure

A computer science engineer at Michigan State University has a word of advice for the millions of bitcoin owners who use smartphone apps to manage their cryptocurrency: don't. Or at least, be careful. Researchers from MSU ...

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.

Software

Google team reveals zero-day Windows exploit

Google reported a new zero-day vulnerability in Windows Friday that allows for privilege escalation and sometimes resulted in a crash. The vulnerability is a buffer overflow type in a driver found in Windows versions 7 and ...

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