Filter out inactive users AWS IAM Users

This task identifies users who haven't accessed AWS services within a specified timeframe. This process helps to maintain a secure and well-organized IAM environment by focusing on active users and potentially deactivating or removing those who are no longer in use.

import datetime from dateutil.tz import tzlocal # Filter out users who haven't accessed AWS services for a specified number of days current_time = datetime.datetime.now(tzlocal()) # Check if users list is empty or not passed from the upstream task if not users: print("No users provided from the upstream task.") else: #days_inactive = 90 # Adjust as needed inactive_users = [] for user in users: if 'PasswordLastUsed' not in user: continue last_used = user['PasswordLastUsed'] days_since_last_use = (current_time - last_used).days if days_since_last_use > int(days_inactive): inactive_users.append(user) # Check if there are any inactive users if not inactive_users: print("No inactive users found.") else: for user in inactive_users: days_since_last_use = (current_time - user['PasswordLastUsed']).days print(f"Inactive User: {user['UserName']}, Last Used: {user['PasswordLastUsed']}, Inactivity: {days_since_last_use} days") context.skip_sub_tasks=True

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AWS IAM SOC2 Guideline

1AkwqiDXEqnFekFuwG8gPDelete an AWS IAM user
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Delete an AWS IAM user
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This task deletes an IAM user in AWS which is a critical step in managing access to AWS resources. This process ensures that the user no longer has permission to perform actions or access resources. It involves several key steps: detaching all associated policies, removing any login profiles or access keys, and finally, deleting the user itself. This action is irreversible, and once the user is deleted, they cannot access the AWS Management Console, AWS CLI, or API operations unless recreated. Properly removing users helps in maintaining a secure and tidy AWS environment, especially when individuals no longer require access or have changed roles.
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import boto3 creds = _get_creds(cred_label)['creds'] access_key = creds['username'] secret_key = creds['password'] # Initialize the IAM and STS clients iam = boto3.client('iam',aws_access_key_id=access_key,aws_secret_access_key=secret_key) sts = boto3.client('sts',aws_access_key_id=access_key,aws_secret_access_key=secret_key) def delete_iam_user(username=None): """ Delete an IAM user and its associated resources. Parameters: - username (str, optional): The name of the IAM user to delete. """ # Step 0: Preliminary check if a username is provided if not username: print("Error: Username is required to delete an IAM user.") return # Step 1: Check if the user exists try: iam.get_user(UserName=username) except iam.exceptions.NoSuchEntityException: print(f"User {username} does not exist.") return except Exception as e: print(f"Error fetching details for IAM user {username}: {e}") return # Step 2: Delete access keys associated with the user try: # Fetching all the access keys associated with the user access_keys = iam.list_access_keys(UserName=username) # Iterate through each access key and delete them for key_metadata in access_keys['AccessKeyMetadata']: iam.delete_access_key(UserName=username, AccessKeyId=key_metadata['AccessKeyId']) print(f"Deleted access key {key_metadata['AccessKeyId']} for user {username}.") except Exception as e: print(f"Error deleting access keys for user {username}: {e}") # Step 3: Delete login profile for the user try: # Deleting the console access (login profile) of the user iam.delete_login_profile(UserName=username) print(f"Login profile for user {username} deleted successfully.") except iam.exceptions.NoSuchEntityException: print(f"No login profile found for user {username}.") except Exception as e: print(f"Error deleting login profile for user {username}: {e}") # Step 4: Detach all policies associated with the user # Using a paginator to handle users with a large number of attached policies paginator = iam.get_paginator('list_attached_user_policies') for page in paginator.paginate(UserName=username): for policy in page['AttachedPolicies']: try: # Detaching each policy from the user iam.detach_user_policy(UserName=username, PolicyArn=policy['PolicyArn']) print(f"Detached policy {policy['PolicyName']} from user {username}.") except Exception as e: print(f"Error detaching policy {policy['PolicyName']} from user {username}: {e}") # Step 5: Delete the IAM user try: # Deleting the user from AWS IAM iam.delete_user(UserName=username) print(f"IAM user {username} deleted successfully.") except Exception as e: print(f"Error deleting IAM user {username}: {e}") # Step 6: Post-deletion verification try: # Checking if the user still exists response = iam.get_user(UserName=username) print(f"User {username} still exists!") except iam.exceptions.NoSuchEntityException: print(f"Verified that user {username} has been deleted successfully.") # Fetching the identity of the caller for audit/tracking purposes caller_identity = sts.get_caller_identity() print(f"User {username} deleted by: {caller_identity['Arn']}") except Exception as e: print(f"Error verifying the deletion of IAM user {username}: {e}") ''' Specify the username of the IAM user you wish to delete user_to_delete initialized in input parameters ''' user_to_delete = locals().get('user_to_delete', '') or '' if not user_to_delete: print("Please provide a valid user name.") else: delete_iam_user(user_to_delete)
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AWS IAM User
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Filter out inactive users AWS IAM Users

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