Some of our users has posted a lot of privacy and security related post . Especially the ones related to technical security and stuff .
But I create this post for something simple , most of us here in this space we always do different transactions every day (cryptocurrency transactions), and our email always send us authentication code during and others securely messages .
I have noticed that most folk don’t delete these messages afterwards, which isn’t safe to me , someone can easily come across in your device and it may endup endangering your live. If someone gains access to your device and sees those messages, it could put your security and even your life at risk. So better to play it safe by deleting those emails, whenever you are done with the code , sometime something this simple can save lives .
There is no way on earth a previously used security code can be reused for another session, whether you delete it or not, it has expired, it's just like 2fA (2 factor authentication) if a reputable CEX's can be easily breached like that, the would've been sued already for having a lax security system,
It is called 2FA for a reason, and that is to add a second layer of security to your account, they usually do that so that if maybe your account is compromised, it can't be easily logged in or accessed unless they have access to your email, and if they have access to your email, there is no amount of deletion that will save your account cause they can even change your password and do whatsoever they want.
We are in a jet world where there are lots of eventions out there with aim of hacking into peoples device
I have also seen some people screen shoot there phrase and password as mean of securing it on there phones for easy access which could be very easy to captured puting the owner of such account into high risk.
Downloaded links or files could also endanger anyone security if the link are to harmfull to document in the phones.