This might be a better question on the StackExchange for Information Security [0], they'll give you better and more in-depth explanations than what Hacker News was designed for.<p>[0]: <a href="https://security.stackexchange.com/" rel="nofollow">https://security.stackexchange.com/</a>
Possibly related thread that I commented in last year:<p><a href="https://news.ycombinator.com/item?id=12039133" rel="nofollow">https://news.ycombinator.com/item?id=12039133</a>