Strong password guidelines

A strong password:

has at least 15 characters
has uppercase letters
has lowercase letters
has numbers
has symbols, such as ` ! " ? $ ? % ^ & * ( ) _ - + = { [ } ] : ; @ ' ~ # | \ < , > . ? /
is not like your previous passwords
is not your name
is not your login
is not your friend’s name
is not your family member’s name
is not a dictionary word
is not a common name.