When resetting password after forgetting it, why is there a need to notify "Password cannot be your previous password"?

This is from the perspective of someone who had supposedly forgotten their password. We’re doing this project wherein we "secure" an application that was given to us. We added this "forget password" feature that allows … Continue reading When resetting password after forgetting it, why is there a need to notify "Password cannot be your previous password"?

For years I had a simple WiFi password and relied on MAC filtering. Today I found out it’s useless. How do I determine if I have been hacked or not? [closed]

I’ve just realized that MAC filtering is basically useless and can be easily spoofed. But I relied on it for a very long time and thought there was no reason for my password to be strong cause I have MAC filtering enabled.
I’ve generated a… Continue reading For years I had a simple WiFi password and relied on MAC filtering. Today I found out it’s useless. How do I determine if I have been hacked or not? [closed]