Computer Sciences

Two new attacks break PDF certification

A security issue in the certification signatures of PDF documents has been discovered by researchers at Ruhr-Universit├Ąt Bochum. This special form of signed PDF files can be used, for instance, to conclude contracts. Unlike ...

Security

Privacy issues and security risks in Alexa Skills

With the voice commands 'Alexa Skills,' users can load numerous extra functions onto their Amazon voice assistant. However, these Skills can often have security gaps and data protection problems, as a team of researchers ...

Energy & Green Tech

The motivation for sustainable aviation fuels

Global air travel consumes more than 100 billion gallons of jet fuel annually. That's expected to more than double by 2025 to 230 billion gallons. Despite the current pandemic, these projections reflect future anticipated ...

Other

Lawmakers: FAA certification of new planes needs an overhaul

The Federal Aviation Administration outlined steps to change how it approves new passenger planes, but lawmakers said they will push ahead with legislation to change the current system that lets aircraft makers including ...

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