Also, where should I look for the problem? - Instagram security, as it didn't detect it as a weird login. - Google security as the password is shown as being s

Also, where should I look for the problem? - Instagram security, as it didn't detect it as a weird login. - Google security as the password is shown as being saved by Google Smart Lock (can't see how, as it doesn't appear in my google saved passwords, nor in my friend's saved passwords) - Samsung security as it sent over Smart Switch some passwords that shouldn't have been there.