特定のタグのついたセキュリティグループ内容を編集だけできるIAMポリシー ref: http://qiita.com/simeji/items/dc32b2dec0362376258f

file0.txt

{
   "Version": "2012-10-17",
   "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "ec2:AuthorizeSecurityGroupEgress",
        "ec2:AuthorizeSecurityGroupIngress",
        "ec2:RevokeSecurityGroupEgress",
        "ec2:RevokeSecurityGroupIngress"
      ],
      "Condition": {
        "StringLike": {
          "ec2:ResourceTag/{Tagname}": "{TagValue}" 
        }
      },
      "Resource": [
        "*"
      ]
    }
  ]
}