What are best practices for finding an account in a SQL database during authentication? Is using `LIMIT 1` vulnerable to timing attacks?
I have a application where users can log in by providing a username or email address (both case insensitive) and a password. In the users table in the database, the relevant account information is stored in three columns lowercase_usernam… Continue reading What are best practices for finding an account in a SQL database during authentication? Is using `LIMIT 1` vulnerable to timing attacks?