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AWS IAM Policy - Force MFA - This policy allows users to manage their own passwords and MFA devices but nothing else unless they authenticate with MFA -- *EDIT*: I forgot where I found it in the 1st place. In fact this policy is explained statement by statement in AWS docs: https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_users-self-man…
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{ | |
"Version": "2012-10-17", | |
"Statement": [ | |
{ | |
"Sid": "AllowAllUsersToListAccounts", | |
"Effect": "Allow", | |
"Action": [ | |
"iam:ListAccountAliases", | |
"iam:ListUsers", | |
"iam:GetAccountPasswordPolicy", | |
"iam:GetAccountSummary" | |
], | |
"Resource": "*" | |
}, | |
{ | |
"Sid": "AllowIndividualUserToSeeAndManageOnlyTheirOwnAccountInformation", | |
"Effect": "Allow", | |
"Action": [ | |
"iam:CreateAccessKey", | |
"iam:DeleteAccessKey", | |
"iam:DeleteLoginProfile", | |
"iam:GetLoginProfile", | |
"iam:ListAccessKeys", | |
"iam:UpdateAccessKey", | |
"iam:UpdateLoginProfile", | |
"iam:ListSigningCertificates", | |
"iam:DeleteSigningCertificate", | |
"iam:UpdateSigningCertificate", | |
"iam:UploadSigningCertificate", | |
"iam:ListSSHPublicKeys", | |
"iam:GetSSHPublicKey", | |
"iam:DeleteSSHPublicKey", | |
"iam:UpdateSSHPublicKey", | |
"iam:UploadSSHPublicKey" | |
], | |
"Resource": "arn:aws:iam::*:user/${aws:username}" | |
}, | |
{ | |
"Sid": "AllowIndividualUserToListOnlyTheirOwnMFA", | |
"Effect": "Allow", | |
"Action": [ | |
"iam:ListVirtualMFADevices", | |
"iam:ListMFADevices" | |
], | |
"Resource": [ | |
"arn:aws:iam::*:mfa/*", | |
"arn:aws:iam::*:user/${aws:username}" | |
] | |
}, | |
{ | |
"Sid": "AllowIndividualUserToManageTheirOwnMFA", | |
"Effect": "Allow", | |
"Action": [ | |
"iam:CreateVirtualMFADevice", | |
"iam:DeleteVirtualMFADevice", | |
"iam:EnableMFADevice", | |
"iam:ResyncMFADevice" | |
], | |
"Resource": [ | |
"arn:aws:iam::*:mfa/${aws:username}", | |
"arn:aws:iam::*:user/${aws:username}" | |
] | |
}, | |
{ | |
"Sid": "AllowIndividualUserToDeactivateOnlyTheirOwnMFAOnlyWhenUsingMFA", | |
"Effect": "Allow", | |
"Action": [ | |
"iam:DeactivateMFADevice" | |
], | |
"Resource": [ | |
"arn:aws:iam::*:mfa/${aws:username}", | |
"arn:aws:iam::*:user/${aws:username}" | |
], | |
"Condition": { | |
"Bool": { | |
"aws:MultiFactorAuthPresent": "true" | |
} | |
} | |
}, | |
{ | |
"Sid": "BlockMostAccessUnlessSignedInWithMFA", | |
"Effect": "Deny", | |
"NotAction": [ | |
"iam:ChangePassword", | |
"iam:CreateLoginProfile", | |
"iam:CreateVirtualMFADevice", | |
"iam:DeleteVirtualMFADevice", | |
"iam:ListVirtualMFADevices", | |
"iam:EnableMFADevice", | |
"iam:ResyncMFADevice", | |
"iam:ListAccountAliases", | |
"iam:ListUsers", | |
"iam:ListSSHPublicKeys", | |
"iam:ListAccessKeys", | |
"iam:ListServiceSpecificCredentials", | |
"iam:ListMFADevices", | |
"iam:GetAccountSummary", | |
"sts:GetSessionToken" | |
], | |
"Resource": "*", | |
"Condition": { | |
"BoolIfExists": { | |
"aws:MultiFactorAuthPresent": "false" | |
} | |
} | |
} | |
] | |
} |
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