ASCO Password Policy Creating a Password Minimum length of nine (9) characters At least one (1) lower-case letter At least one (1) upper-case letter At least one (1) number At least one (1) symbol (!@#$%^&*) Password Restrictions Five (5) invalid attemptsthe number of failed sign-in attempts that will cause a user account to be locked 90 days password durationperiod of time (in days) that a password can be used before we require you to change it Five (5) password historythe number of unique new passwords that must be associated with a user account before an old password can be reused