Tag: encryption
Anamorphic cryptography: How can we ensure private communication?
Cryptosystems have been developed to send secure messages with the assumption that the receiver’s key – what the intended recipient needs to read the message – is secure from adversaries. However, there have been tensions, dubbed as ‘Crypto Wars’. Friction has arisen between governments, hoping to access encryption keys to learn about potential threats, and industry, which believes that the […]
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Covert polarisation display: The future of everyday encryption
Did you know that you can store information in a way that it is right in front of you, yet you cannot see it unless being under specific light conditions? Nowadays there is smart technology, which allows valuable, written information to be protected, using materials that reveal the message only when placed under polarised light. Dr Young Min Song and […]
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Evading the rise of ransomware
Ransomware, malicious software that takes users’ files “hostage” and demands payment from users to get back their files, has become a popular income stream for cybercriminals. While not all ransomware attacks are effective money earners, they often cause immense disruption for key services such as the healthcare industry. In the case of ransomware, prevention is often better than cure, and […]