Computer Sciences

BlockPGP: A new blockchain-based PGP management framework

Pretty Good Privacy (PGP), one of the most widely used cryptographic standards, enables safe end-to-end encryption for emails, messages and other data sharing between users. Essentially, PGP works by implementing asymmetric ...

Computer Sciences

Using deep neural networks to hunt malicious TLS certificates

A team of researchers at Cyxtera Technologies has recently proposed a neural network-based method for identifying malicious use of web certificates. Their approach, outlined in a paper published in ACM Digital Library, uses ...

Hardware

Groundbreaking method detects defective computer chips

Guaranteeing that computer chips, that can consist of billions of interconnected transistors, are manufactured without defects is a challenge. But how to determine if a chip is compromised?

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-Universität 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 ...

Security

Report: Chinese Olympic app has serious security flaws

A smartphone app that's expected to be widely used by athletes and others attending next month's Winter Games in Beijing has glaring security problems that could expose sensitive data to interception, according to a report ...

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 ...

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