AWS IAM Policy for requiring MFA token for CLI/Programmatic Access

cli_mfa.json

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "DenyAllWhenMFAIsNotPresent",
            "Effect": "Deny",
            "NotAction": [
                "iam:ListMFADevices",
                "sts:GetSessionToken"
            ],
            "Resource": "*",
            "Condition": {
                "BoolIfExists": {
                    "aws:MultiFactorAuthPresent": false
                }
            }
        },
        {
            "Sid": "DenyAllWhenMFAIsOlderThanFourHours",
            "Effect": "Deny",
            "NotAction": [
                "iam:ListMFADevices",
                "sts:GetSessionToken"
            ],
            "Resource": "*",
            "Condition": {
                "NumericGreaterThanIfExists": {
                    "aws:MultiFactorAuthAge": "14400"
                }
            }
        }
    ]
}