Passwords are designed to protect access to secure sites and information. Which of the following is incorrect?
a.
Passwords are generally more effective when they are complex passwords (e.g., combinations of: uppercase characters, lowercase characters, numeric characters, and ASCII characters (e.g., !, @, #, $, %, ^, &, *, or ?).
b.
Passwords are generally more effective when they are longer.
c.
Passwords should be changed every 90 days.
d.
Alternating between a minimum of three to five passwords provides optimal protection.
Choice "D" is correct. The NSA (National Security Agency) recommends that password reuse of the previous 24 passwords be restricted. The goal is to prevent users from alternating between their favorite two or three passwords.
Choice "b" is incorrect. Passwords are more difficult to guess if they are longer.
Choice "a" is incorrect. Passwords are more difficult to guess if they are complex.
Choice "c" is incorrect. The NSA (National Security agency) recommends changing passwords every 3 months.