Recently I came across this interesting blog article. It really struck me that RAM sitting on our systems has to be refreshed again and again in a timely fashion to ensure that the contents stored by the memory cells are intact. According to Wikipedia, each bit in DRAM is stored as a presence or absence of electric … Continue reading Could there be a data loss in DRAM while system is up ??
In this blog series, we will go through one of the biggest security vulnerabilities of recent times i.e. Spectre and Meltdown. This article is mostly centered around understanding the concepts which will be necessary for then understanding the internals of these two vulnerabilities.