Use DeleteSecurityGroup with an Amazon SDK or CLI

    /// <summary>
    /// Delete an Amazon EC2 security group.
    /// </summary>
    /// <param name="groupName">The name of the group to delete.</param>
    /// <returns>A Boolean value indicating the success of the action.</returns>
    public async Task<bool> DeleteSecurityGroup(string groupId)
    {
        var response = await _amazonEC2.DeleteSecurityGroupAsync(new DeleteSecurityGroupRequest { GroupId = groupId });
        return response.HttpStatusCode == HttpStatusCode.OK;
    }

###############################################################################
# function ec2_delete_security_group
#
# This function deletes an Amazon Elastic Compute Cloud (Amazon EC2) security group.
#
# Parameters:
#       -i security_group_id - The ID of the security group to delete.
#
# And:
#       0 - If successful.
#       1 - If it fails.
###############################################################################
function ec2_delete_security_group() {
  local security_group_id response
  local option OPTARG # Required to use getopts command in a function.

  # bashsupport disable=BP5008
  function usage() {
    echo "function ec2_delete_security_group"
    echo "Deletes an Amazon Elastic Compute Cloud (Amazon EC2) security group."
    echo "  -i security_group_id - The ID of the security group to delete."
    echo ""
  }

  # Retrieve the calling parameters.
  while getopts "i:h" option; do
    case "${option}" in
      i) security_group_id="${OPTARG}" ;;
      h)
        usage
        return 0
        ;;
      \?)
        echo "Invalid parameter"
        usage
        return 1
        ;;
    esac
  done
  export OPTIND=1

  if [[ -z "$security_group_id" ]]; then
    errecho "ERROR: You must provide a security group ID with the -i parameter."
    usage
    return 1
  fi

  response=$(aws ec2 delete-security-group --group-id "$security_group_id" --output text) || {
    aws_cli_error_log ${?}
    errecho "ERROR: AWS reports delete-security-group operation failed.$response"
    return 1
  }

  return 0
}

The utility functions used in this example.

###############################################################################
# function errecho
#
# This function outputs everything sent to it to STDERR (standard error output).
###############################################################################
function errecho() {
  printf "%s\n" "$*" 1>&2
}

##############################################################################
# function aws_cli_error_log()
#
# This function is used to log the error messages from the AWS CLI.
#
# The function expects the following argument:
#         $1 - The error code returned by the AWS CLI.
#
#  Returns:
#          0: - Success.
#
##############################################################################
function aws_cli_error_log() {
  local err_code=$1
  errecho "Error code : $err_code"
  if [ "$err_code" == 1 ]; then
    errecho "  One or more S3 transfers failed."
  elif [ "$err_code" == 2 ]; then
    errecho "  Command line failed to parse."
  elif [ "$err_code" == 130 ]; then
    errecho "  Process received SIGINT."
  elif [ "$err_code" == 252 ]; then
    errecho "  Command syntax invalid."
  elif [ "$err_code" == 253 ]; then
    errecho "  The system environment or configuration was invalid."
  elif [ "$err_code" == 254 ]; then
    errecho "  The service returned an error."
  elif [ "$err_code" == 255 ]; then
    errecho "  255 is a catch-all error."
  fi

  return 0
}

    Aws::EC2::EC2Client ec2Client(clientConfiguration);
    Aws::EC2::Model::DeleteSecurityGroupRequest request;

    request.SetGroupId(securityGroupID);
    auto outcome = ec2Client.DeleteSecurityGroup(request);

    if (!outcome.IsSuccess()) {
        std::cerr << "Failed to delete security group " << securityGroupID <<
                  ":" << outcome.GetError().GetMessage() << std::endl;
    }
    else {
        std::cout << "Successfully deleted security group " << securityGroupID <<
                  std::endl;
    }

[EC2-Classic] To delete a security group

This example deletes the security group named MySecurityGroup. If the command succeeds, no output is returned.

Command:

aws ec2 delete-security-group --group-name MySecurityGroup

[EC2-VPC] To delete a security group

This example deletes the security group with the ID sg-903004f8. Note that you can't reference a security group for EC2-VPC by name. If the command succeeds, no output is returned.

Command:

aws ec2 delete-security-group --group-id sg-903004f8

For more information, see Using Security Groups in the Amazon Command Line Interface User Guide.

    public static void deleteEC2SecGroup(Ec2Client ec2, String groupId) {
        try {
            DeleteSecurityGroupRequest request = DeleteSecurityGroupRequest.builder()
                    .groupId(groupId)
                    .build();

            ec2.deleteSecurityGroup(request);
            System.out.println("Successfully deleted security group with Id " + groupId);

        } catch (Ec2Exception e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }

import { DeleteSecurityGroupCommand } from "@aws-sdk/client-ec2";

import { client } from "../libs/client.js";

export const main = async () => {
  const command = new DeleteSecurityGroupCommand({
    GroupId: "GROUP_ID",
  });

  try {
    await client.send(command);
    console.log("Security group deleted successfully.");
  } catch (err) {
    console.error(err);
  }
};

suspend fun deleteEC2SecGroup(groupIdVal: String) {
    val request =
        DeleteSecurityGroupRequest {
            groupId = groupIdVal
        }

    Ec2Client { region = "us-west-2" }.use { ec2 ->
        ec2.deleteSecurityGroup(request)
        println("Successfully deleted Security Group with id $groupIdVal")
    }
}

Example 1: This example deletes the specified security group for EC2-VPC. You are prompted for confirmation before the operation proceeds, unless you also specify the Force parameter.

Remove-EC2SecurityGroup -GroupId sg-12345678

Output:

Confirm
Are you sure you want to perform this action?
Performing operation "Remove-EC2SecurityGroup (DeleteSecurityGroup)" on Target "sg-12345678".
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "Y"):

Example 2: This example deletes the specified security group for EC2-Classic.

Remove-EC2SecurityGroup -GroupName my-security-group -Force

class SecurityGroupWrapper:
    """Encapsulates Amazon Elastic Compute Cloud (Amazon EC2) security group actions."""

    def __init__(self, ec2_resource, security_group=None):
        """
        :param ec2_resource: A Boto3 Amazon EC2 resource. This high-level resource
                             is used to create additional high-level objects
                             that wrap low-level Amazon EC2 service actions.
        :param security_group: A Boto3 SecurityGroup object. This is a high-level object
                               that wraps security group actions.
        """
        self.ec2_resource = ec2_resource
        self.security_group = security_group

    @classmethod
    def from_resource(cls):
        ec2_resource = boto3.resource("ec2")
        return cls(ec2_resource)


    def delete(self):
        """
        Deletes the security group.
        """
        if self.security_group is None:
            logger.info("No security group to delete.")
            return

        group_id = self.security_group.id
        try:
            self.security_group.delete()
        except ClientError as err:
            logger.error(
                "Couldn't delete security group %s. Here's why: %s: %s",
                group_id,
                err.response["Error"]["Code"],
                err.response["Error"]["Message"],
            )
            raise

    TRY.
        lo_ec2->deletesecuritygroup( iv_groupid = iv_security_group_id ).
        MESSAGE 'Security group deleted.' TYPE 'I'.
      CATCH /aws1/cx_rt_service_generic INTO DATA(lo_exception).
        DATA(lv_error) = |"{ lo_exception->av_err_code }" - { lo_exception->av_err_msg }|.
        MESSAGE lv_error TYPE 'E'.
    ENDTRY.