German researchers reckon they have devised a method to thwart the security mechanisms AMD’s Epyc server chips use to automatically encrypt virtual machines in memory. So much so, they said they can exfiltrate plaintext data from an encrypted guest via a hijacked hypervisor and simple HTTP requests to a web server running in a second… Read More

I rarely think that the text I’m copying and pasting has something hidden within it that could reveal my sources. And I probably should worry about that because it’s incredibly easy to hide invisible characters—so-called “zero-width” characters—within text and use those as a watermark or fingerprint of sorts. In some situations, that could reveal to… Read More