AIOS-11-000400 - Apple iOS must not allow more than 10 consecutive failed authentication attempts.

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Information

The more attempts an adversary has to guess a password, the more likely the adversary will enter the correct password and gain access to resources on the device. Setting a limit on the number of attempts mitigates this risk. Setting the limit at 10 or less gives authorized users the ability to make a few mistakes when entering the password but still provides adequate protection against dictionary or brute force attacks on the password.

Solution

Install a configuration profile to allow only 10 or fewer consecutive failed authentication attempts.

See Also

https://iasecontent.disa.mil/stigs/zip/U_Apple_iOS_11_V1R4_STIG.zip