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About Password Policies
When you create a user account, a dcfault password policy is assigncd to that user account. The default password policy for a ncwly installed database ineludes thesc directives:
■The password for the user account expires automatically in 180 days.
■The user account is loeked 7 days after password cxpiration.
■The user account is loeked for 1 day after 10 failed login attempts.
The default password policy is assigncd to user accounts through a database object callcd a profile. Each user account is assigncd a profile, and the profile has several attributes that describe a password policy. The database comes with a default profile (named DEFAULT), and unless you specify otherwise when you create a user account, the default profile is assigncd to the user account.
For better database security, you may want to impose a morę strict password policy. For example, you may want passwords to expire every 70 days, and you may want to lock user accounts after three failed login attempts. (A failed login attempt for a user account occurs when a user enters an incorrect password for the account.) You may also want to require that passwords be complex enough to provide reasonable protection against intruders who try to break into the system by guessing passwords. For example. you might specify that passwords must contain at least one number and one punctuation mark.
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