mobile-device-management

BYOD policy, personal device security, endpoint protection, and mobile app security

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المستودع: Hack23/homepage
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name	Mobile Device Management
description	BYOD policy, personal device security, endpoint protection, and mobile app security
license	Apache-2.0
version	1.0
author	Hack23 AB
tags	["mobile-device-management","byod","endpoint-protection","mobile-security","device-encryption"]
category	security
frameworks	["ISO 27001:2022","NIST CSF 2.0","CIS Controls v8.1"]
related_policies	["Mobile_Device_Management_Policy.md","Access_Control_Policy.md","Cryptography_Policy.md"]

📱 Mobile Device Management Skill

🎯 Purpose

This skill enforces mobile device management (MDM) controls for BYOD (Bring Your Own Device) environments, personal device security requirements, and endpoint protection. Based on Hack23 AB's Mobile Device Management Policy, it demonstrates enterprise-grade MDM without enterprise infrastructure.

Key Principle: "BYOD means 'Bring Your Own Disaster'—but only if devices remain unmanaged."

📚 Scope

This skill covers:

📱 BYOD Policy: Personal device security requirements for business use
🔐 Endpoint Protection: Encryption, malware protection, device health
📲 Mobile App Security: Approved apps, containerization, data separation
🔒 Device Encryption: Full device encryption requirements
☁️ Remote Wipe: Data protection for lost/stolen devices
📊 Compliance Monitoring: MDM enrollment, policy enforcement, auditing

⚙️ Security Rules

MUST Requirements

Mobile device controls you MUST implement:

📱 Device Enrollment & Policy

mdm_requirements:
  enrollment:
    pre_enrollment:
      - device_assessment: verify_os_version_and_security_status
      - ownership: personal_device_acknowledged
      - consent: user_agrees_to_MDM_policies_and_remote_wipe
    
    enrollment_platforms:
      aws_workmail:
        email_access: mdm_profile_required_for_corporate_email
        enforcement: email_not_delivered_until_enrolled
      
      alternative_mdm:
        intune: supported_for_future_employee_devices

🔐 Encryption & Authentication

device_security:
  encryption:
    ios_devices:
      - device_encryption: enabled_by_default_ios_8_and_later
      - verification: mdm_reports_encryption_status
      - backup_encryption: icloud_backup_encrypted
    
    android_devices:
      - device_encryption: mandatory_android_10_and_later
      - verification: mdm_checks_encryption_status
      - sd_card: external_storage_encrypted_if_used
    
    workstations:
      - ubuntu_luks: full_disk_encryption_mandatory
      - windows_bitlocker: required_for_windows_devices
      - macos_filevault: required_for_mac_devices
  
  authentication:
    mobile_devices:
      - screen_lock: biometric_preferred_pin_backup
      - timeout: 5_minutes_idle_maximum
      - failed_attempts: 10_attempts_before_wipe_or_lockout
    
    mfa_requirements:
      - totp: google_authenticator_or_authy_required
      - hardware_tokens: yubikey_for_critical_systems
      - sms_backup: acceptable_but_not_primary_method

📲 App Management & Containerization

application_control:
  corporate_email:
    approved_email_apps:
      - ios_native_mail: with_aws_workmail_mdm_profile
      - android_gmail: with_workmail_integration
      - outlook_mobile: with_workmail_configuration
    
    data_separation:
      - corporate_container: email_calendar_contacts_isolated
      - personal_data: unaffected_by_selective_wipe
      - copy_paste: restricted_from_corporate_to_personal_apps
  
  business_apps:
    approved_list:
      - authenticator: google_authenticator_authy_microsoft
      - secure_messaging: signal_for_confidential_communications
      - cloud_access: aws_console_github_mobile
      - vpn: wireguard_openvpn_for_network_access
    
    prohibited_apps:
      - file_sharing: dropbox_personal_google_drive_personal
      - messaging: whatsapp_telegram_for_business_data
      - vpn: free_untrusted_vpn_services
      - remote_access: teamviewer_anydesk_without_approval

☁️ Remote Wipe & Device Loss

remote_management:
  wipe_capabilities:
    selective_wipe:
      scope: corporate_email_contacts_calendar_only
      trigger: device_loss_employment_termination
      user_impact: personal_data_photos_apps_unaffected
      process:
        - aws_workmail_console: select_device_initiate_wipe
        - verification: confirm_wipe_completion_within_24_hours
        - documentation: record_in_incident_response_log
    
    full_device_wipe:
      scope: entire_device_factory_reset
      trigger: theft_suspected_compromise_high_risk_scenario
      user_impact: all_data_lost_device_unusable
      process:
        - find_my_iphone: ios_devices_remote_wipe
        - find_my_device: android_devices_remote_wipe
        - mdm_console: enterprise_mdm_full_wipe_command
    
  device_loss_procedure:
    immediate_actions:
      - within_30_minutes:
          - disable_credentials: aws_github_google_accounts
          - initiate_wipe: selective_or_full_based_on_risk
          - change_passwords: all_accounts_accessed_from_device
    
    follow_up_actions:
      - within_24_hours:
          - review_logs: check_for_unauthorized_access
          - notify_stakeholders: inform_clients_if_data_exposure_risk
          - update_asset_register: mark_device_as_lost_stolen
          - police_report: file_if_theft_suspected

📊 Monitoring & Compliance

compliance_monitoring:
  mdm_dashboards:
    aws_workmail_console:
      metrics:
        - device_enrollment_status: active_pending_blocked
        - encryption_compliance: percentage_encrypted_devices
        - os_version_currency: devices_within_30_day_update_window
        - policy_violations: jailbreak_attempts_screen_lock_disabled
    
    review_frequency:
      - daily: critical_alerts_jailbreak_encryption_disabled
      - weekly: os_update_status_app_compliance
      - monthly: full_mdm_compliance_report_and_documentation
  
  device_health_checks:
    automated_checks:
      - encryption_status: mdm_verifies_daily
      - os_version: alert_if_30_days_behind_latest
      - jailbreak_detection: immediate_alert_and_block
      - malware_detection: os_native_av_plus_mdm_scanning
    
    manual_verification:
      - quarterly_audit: physical_inspection_of_device_security
      - annual_review: update_mdm_policies_based_on_threats

❌ Unmanaged Device Access

prohibited_practices:
  - email_without_mdm: accessing_corporate_email_on_unenrolled_devices
  - jailbroken_devices: using_rooted_jailbroken_devices_for_business
  - outdated_os: devices_more_than_60_days_behind_security_patches
  - disabled_encryption: turning_off_device_encryption_for_any_reason
  - shared_devices: using_shared_family_devices_for_corporate_access

❌ Insecure Practices

dangerous_behaviors:
  - public_wifi: accessing_sensitive_data_without_vpn_on_public_networks
  - sideloading_apps: installing_apps_from_untrusted_sources
  - disabled_screen_lock: removing_passcode_biometric_authentication
  - unsecured_backup: unencrypted_backups_to_computers_or_cloud
  - app_permissions: granting_excessive_permissions_to_untrusted_apps

❌ Data Leakage

prohibited_data_handling:
  - unencrypted_storage: storing_corporate_data_in_personal_cloud_apps
  - screenshot_sharing: taking_screenshots_of_sensitive_corporate_data
  - personal_messaging: forwarding_corporate_emails_to_personal_accounts
  - unsecured_forwarding: auto_forwarding_work_email_to_personal_email
  - file_attachments: downloading_sensitive_files_to_personal_storage

# iOS Device MDM Enrollment
device_enrollment:
  device_info:
    model: iPhone_14_Pro
    os_version: iOS_17.2
    ownership: personal_device
    purpose: corporate_email_and_mfa
  
  pre_enrollment_checklist:
    - device_backup: icloud_backup_completed_before_mdm
    - os_update: ios_updated_to_latest_version
    - find_my_iphone: enabled_for_remote_wipe_capability
    - passcode: strong_passcode_configured_6_digits_minimum
  
  enrollment_process:
    step_1_aws_workmail_setup:
      - open_settings: navigate_to_mail_accounts_add_account
      - select_exchange: enter_hack23_com_email_address
      - accept_mdm_profile: tap_install_when_prompted
      - authenticate: enter_email_password_accept_mfa_challenge
    
    step_2_mdm_configuration:
      policies_applied:
        - device_encryption: verified_enabled
        - screen_lock: automatic_after_5_minutes
        - passcode_requirement: 6_digit_minimum_enforced
        - jailbreak_detection: enabled_will_block_if_detected
        - app_restrictions: corporate_data_containerized
    
    step_3_verification:
      - send_test_email: verify_email_delivery_to_device
      - check_calendar: confirm_calendar_sync_working
      - test_screen_lock: ensure_automatic_lock_activates
      - mdm_console: verify_device_shows_compliant_in_aws_workmail
  
  post_enrollment:
    security_configuration:
      - install_authenticator: google_authenticator_for_mfa
      - configure_vpn: wireguard_vpn_for_aws_console_access
      - install_approved_apps: signal_aws_console_github_mobile
      - test_remote_wipe: verify_find_my_iphone_accessible
    
    user_training:
      - data_separation: explain_corporate_vs_personal_data
      - remote_wipe: acknowledge_selective_wipe_capability
      - incident_reporting: know_procedure_for_device_loss
      - policy_compliance: review_mobile_device_policy

# Android Work Profile Configuration
android_work_profile:
  device_info:
    model: Samsung_Galaxy_S23
    os_version: Android_14
    ownership: personal_device
    byod_approach: work_profile_for_separation
  
  work_profile_setup:
    enrollment:
      - install_company_portal: download_from_google_play_if_using_intune
      - configure_email: add_exchange_account_prompts_work_profile
      - accept_policies: agree_to_mdm_enrollment_and_remote_wipe
    
    profile_configuration:
      work_container:
        apps:
          - gmail: work_profile_version_for_corporate_email
          - calendar: work_profile_calendar_for_business
          - contacts: work_profile_contacts_separate_from_personal
          - authenticator: work_profile_google_authenticator
        
        security:
          - separate_encryption: work_profile_encrypted_independently
          - separate_lock: work_profile_can_have_different_password
          - data_isolation: work_apps_cannot_access_personal_data
      
      personal_container:
        apps:
          - gmail: personal_gmail_unaffected_by_mdm
          - photos: personal_photos_not_visible_to_work_profile
          - social_media: personal_apps_separate_from_business
        
        protection:
          - unaffected_by_selective_wipe: personal_data_safe
          - no_corporate_access: personal_apps_cannot_access_work_data
  
  security_controls:
    enforced_policies:
      - work_profile_encryption: mandatory_for_enrollment
      - screen_lock: required_after_5_minutes_idle
      - password_complexity: 6_character_minimum
      - device_admin: mdm_has_device_admin_permissions
      - remote_wipe: selective_wipe_removes_work_profile_only
    
    monitoring:
      - compliance_checks: mdm_verifies_work_profile_security_daily
      - policy_violations: alerts_if_rooted_or_policies_disabled
      - app_inventory: mdm_tracks_apps_in_work_profile_only

# CRITICAL INCIDENT - Device Theft
incident_details:
  date_time: 2026-02-10_19:30_UTC
  location: restaurant_stockholm_sweden
  device: iPhone_14_Pro_MOB-001
  circumstances: left_on_table_during_bathroom_visit_stolen
  data_at_risk:
    - corporate_email: 6_months_of_client_communications
    - aws_console: mobile_app_logged_in_with_session
    - github: mobile_app_with_push_notifications
    - signal: encrypted_messages_with_clients
    - authenticator: totp_tokens_for_all_business_accounts

# PHASE 1: Credential Lockdown
credential_actions:
  - 00:00_discovery: realize_phone_missing_immediately_report
  
  - 00:05_passwords:
      - aws: change_root_and_iam_user_passwords
      - github: change_password_revoke_active_sessions
      - google: change_password_revoke_device_sessions
      - email: change_aws_workmail_password
  
  - 00:10_mfa_reset:
      - disable_totp: temporarily_disable_totp_on_all_accounts
      - use_backup_codes: switch_to_backup_authentication_codes
      - hardware_token: use_yubikey_as_primary_mfa
  
  - 00:15_device_control:
      action: initiate_full_device_wipe
      method: find_my_iphone
      steps:
        - login_icloud: from_workstation_browser
        - select_device: iPhone_14_Pro
        - initiate_wipe: full_device_erase_selected
        - activation_lock: mark_as_lost_with_message
      
      aws_workmail_action:
        - login_console: aws_workmail_admin_console
        - select_device: MOB-001_iPhone_14_Pro
        - selective_wipe: remove_corporate_email_calendar_contacts
        - block_device: prevent_future_enrollment_from_this_device_id

# PHASE 2: Monitoring & Investigation
follow_up_24_hours:
  - review_logs:
      - aws_cloudtrail: check_for_unauthorized_console_access
      - github_audit_log: review_repository_access_attempts
      - email_logs: check_for_sent_emails_after_theft
  
  - assess_exposure:
      - data_classification: mostly_HIGH_some_CRITICAL_client_data
      - breach_notification: assess_gdpr_breach_notification_requirement
      - client_impact: determine_if_client_notification_needed
  
  - documentation:
      - incident_log: record_in_incident_response_plan
      - asset_register: update_device_status_to_STOLEN
      - risk_register: update_device_theft_risk_with_actual_incident
      - police_report: file_theft_report_with_local_police
  
  - recovery:
      - procurement: order_replacement_iPhone
      - restore: restore_from_icloud_backup_to_new_device
      - re_enroll: enroll_new_device_in_aws_workmail_mdm
      - verify: confirm_all_security_controls_active

# PHASE 3: Lessons Learned
improvements:
  - policy_update:
      - restaurant_policy: no_devices_left_unattended_in_public
      - screen_lock_timeout: reduce_to_2_minutes_for_public_spaces
      - critical_app_review: remove_aws_console_from_mobile_device
  
  - technical_controls:
      - bluetooth_tracker: attach_airtag_to_phone_case
      - screen_lock_reminder: enable_ios_attention_aware_feature
      - backup_frequency: increase_icloud_backup_to_daily

advantages:
  - cost: included_with_email_service_no_additional_licensing
  - integration: native_aws_workmail_email_integration
  - simplicity: suitable_for_single_person_company
  - capabilities:
      - selective_wipe: removes_email_calendar_contacts_only
      - policy_enforcement: encryption_screen_lock_os_version
      - compliance_monitoring: dashboard_shows_device_status

limitations:
  - basic_features: fewer_advanced_controls_than_enterprise_mdm
  - platform_support: primarily_mobile_devices_not_workstations
  - app_management: limited_app_distribution_capabilities
  - reporting: basic_compliance_reports_not_detailed_analytics

suitable_for:
  - small_businesses: 1-50_employees
  - email_focused: primary_use_case_is_corporate_email
  - budget_conscious: no_additional_mdm_licensing_costs

microsoft_intune:
  best_for: windows_office_365_environments
  features:
    - conditional_access: azure_ad_integration
    - app_protection: without_full_device_enrollment
    - windows_management: autopilot_deployment
  cost: included_with_microsoft_365_e3_e5

jamf:
  best_for: apple_device_fleets_ios_macos
  features:
    - zero_touch_deployment: apple_dep_integration
    - advanced_inventory: detailed_device_management
    - custom_app_deployment: enterprise_app_distribution
  cost: per_device_annual_subscription

vmware_workspace_one:
  best_for: multi_platform_large_enterprises
  features:
    - unified_endpoint_management: all_device_types
    - workspace_integration: app_virtualization
    - advanced_analytics: device_usage_insights
  cost: per_device_tiered_pricing

## Mobile Device Lifecycle

### 1. Pre-Enrollment
- [ ] Assess business need for mobile device
- [ ] Verify device OS meets minimum version requirements
- [ ] Obtain user consent for MDM enrollment (BYOD)
- [ ] Document device in Asset Register

### 2. Enrollment
- [ ] Install MDM profile (AWS WorkMail, Intune, Jamf)
- [ ] Verify encryption enabled
- [ ] Configure screen lock and timeout
- [ ] Test remote wipe capability
- [ ] Install approved business apps
- [ ] Configure VPN for secure access

### 3. Operational Use
- [ ] Monthly MDM compliance review
- [ ] Quarterly OS update verification
- [ ] Semi-annual app inventory audit
- [ ] Annual policy acknowledgment

### 4. Incident Response
- [ ] Device loss: Immediate credential lockdown
- [ ] Remote wipe: Selective or full based on risk
- [ ] Log review: Check for unauthorized access
- [ ] Documentation: Update incident log

### 5. Retirement
- [ ] Remove from MDM console
- [ ] Selective wipe of corporate data
- [ ] Update Asset Register status
- [ ] Document disposal method

Classification	Email Access	App Restrictions	Monitoring	Remote Wipe
🔴 Critical	Work Profile Only	Approved Apps Only	Continuous	Full Wipe
🟠 High	MDM Required	Approved + Restricted	Daily Check	Selective Wipe
🟡 Medium	MDM Recommended	Guidance Provided	Weekly Check	Selective Wipe
🟢 Low	Basic Security	General Guidelines	Monthly Check	Email Only

Threat	Impact	Likelihood	Risk Level	Mitigation
Device Theft	🔴 Critical	🟡 Medium	🔴 High	Encryption, remote wipe, screen lock
Malware	🟠 High	🟡 Medium	🟠 High	OS-native AV, app approval, MDM scanning
Phishing	🟠 High	🔴 High	🔴 High	User training, email filtering, MFA
Jailbreak/Root	🟠 High	🟢 Low	🟡 Medium	MDM detection, device blocking
Public WiFi	🟡 Medium	🔴 High	🟠 High	VPN mandatory, TLS enforcement
App Vulnerabilities	🟡 Medium	🟠 High	🟠 High	OS updates, app approval process
Data Leakage	🔴 Critical	🟡 Medium	🔴 High	Containerization, DLP, monitoring

#!/bin/bash
# MDM Compliance Verification Script

echo "📱 Hack23 AB - MDM Compliance Check"
echo "====================================="
echo ""

# Check AWS WorkMail MDM Enrollment Status
echo "🔍 Checking MDM Enrollment..."
read -p "Is device enrolled in AWS WorkMail MDM? (yes/no): " mdm_enrolled

if [ "$mdm_enrolled" != "yes" ]; then
    echo "❌ CRITICAL: Device not enrolled in MDM - email access should be blocked"
    echo "📝 Action: Enroll device immediately or discontinue corporate email use"
    exit 1
fi

# Check Encryption Status
echo ""
echo "🔐 Checking Encryption Status..."
read -p "Is full device encryption enabled? (yes/no): " encryption_enabled

if [ "$encryption_enabled" != "yes" ]; then
    echo "❌ CRITICAL: Device encryption disabled"
    echo "📝 Action: Enable device encryption immediately"
    exit 1
fi

# Check Screen Lock
echo ""
echo "🔒 Checking Screen Lock Configuration..."
read -p "Is automatic screen lock enabled (<5 min)? (yes/no): " screen_lock

if [ "$screen_lock" != "yes" ]; then
    echo "⚠️  WARNING: Screen lock timeout too long or disabled"
    echo "📝 Action: Configure automatic lock within 5 minutes"
fi

# Check OS Version
echo ""
echo "📲 Checking OS Version Currency..."
read -p "Is OS version within 30 days of latest release? (yes/no): " os_current

if [ "$os_current" != "yes" ]; then
    echo "⚠️  WARNING: OS version outdated"
    echo "📝 Action: Install latest OS security updates"
fi

# Check Jailbreak/Root Status
echo ""
echo "🛡️ Checking Device Integrity..."
read -p "Is device NOT jailbroken/rooted? (yes/no): " not_jailbroken

if [ "$not_jailbroken" != "yes" ]; then
    echo "❌ CRITICAL: Jailbroken/rooted device detected"
    echo "📝 Action: Restore device to factory settings or use different device"
    exit 1
fi

# Check Remote Wipe Capability
echo ""
echo "☁️ Checking Remote Wipe Capability..."
read -p "Is remote wipe capability tested and functional? (yes/no): " remote_wipe

if [ "$remote_wipe" != "yes" ]; then
    echo "⚠️  WARNING: Remote wipe not verified"
    echo "📝 Action: Verify Find My iPhone/Android Device Manager accessible"
fi

# Final Report
echo ""
echo "====================================="
echo "✅ MDM Compliance Check Complete"
echo ""
echo "📝 Review MDM console for detailed device status:"
echo "   AWS WorkMail: https://console.aws.amazon.com/workmail/"
echo ""
echo "🔄 Next Review: Monthly compliance check scheduled"