npx skills add mukul975/Anthropic-Cybersecurity-SkillsMITRE ATT&CK
When to Use
Use this skill when:
- Deploying enterprise mobile app protection without full device management (MDM)
- Implementing BYOD policies that protect corporate data while respecting personal privacy
- Configuring Microsoft Intune App Protection Policies for iOS and Android
- Enforcing data loss prevention controls on managed mobile applications
Do not use when full device management (MDM) is already deployed and sufficient -- MAM adds complexity when MDM already provides the needed controls.
Prerequisites
- Microsoft Intune or equivalent MAM platform (VMware Workspace ONE, MobileIron)
- Azure AD for identity and conditional access policies
- Intune App SDK integrated into target applications (or Intune App Wrapping Tool)
- Test devices (Android 10+ and iOS 15+)
- Azure AD Premium P1 or P2 licenses for conditional access
Workflow
Step 1: Define App Protection Policy Requirements
Classify data sensitivity and define protection tiers:
| Tier | Data Type | Controls |
|---|---|---|
| Tier 1 - Basic | General corporate email | Require PIN, block screenshots |
| Tier 2 - Enhanced | Financial data, HR records | Encrypt app data, restrict cut/copy/paste |
| Tier 3 - High | PII, healthcare, legal | Selective wipe, offline access limits, DLP |
Step 2: Configure Intune App Protection Policies
Android App Protection Policy:
{
"displayName": "Corporate App Protection - Tier 2",
"platform": "android",
"dataProtectionSettings": {
"allowedDataStorageLocations": ["oneDriveForBusiness", "sharePoint"],
"blockDataTransferToOtherApps": "managedApps",
"blockDataTransferFromOtherApps": "managedApps",
"saveAsBlocked": true,
"clipboardSharingLevel": "managedAppsWithPasteIn",
"screenCaptureBlocked": true,
"encryptAppData": true,
"backupBlocked": true
},
"accessSettings": {
"pinRequired": true,
"minimumPinLength": 6,
"biometricEnabled": true,
"offlineGracePeriod": 720,
"offlineWipeInterval": 90
},
"conditionalLaunchSettings": {
"maxOsVersion": "15.0",
"minOsVersion": "12.0",
"jailbreakBlocked": true,
"maxPinRetries": 5
}
}Step 3: Implement App Configuration Policies
Deploy managed app configuration for automatic endpoint setup:
{
"displayName": "Email App Configuration",
"targetedManagedApps": ["com.microsoft.outlooklite"],
"settings": [
{"key": "com.microsoft.outlook.EmailProfile.AccountType", "value": "ModernAuth"},
{"key": "com.microsoft.outlook.EmailProfile.ServerName", "value": "outlook.office365.com"},
{"key": "com.microsoft.outlook.EmailProfile.AllowedDomains", "value": "corporate.com"}
]
}Step 4: Deploy Conditional Access Integration
Azure AD > Conditional Access > New Policy:
- Users: All users with corporate apps
- Cloud apps: Office 365, custom LOB apps
- Conditions: All platforms
- Grant: Require app protection policy
- Session: App enforced restrictionsStep 5: Test and Validate MAM Controls
Test each policy control on both platforms:
# Verify data transfer restrictions
1. Open managed app (Outlook)
2. Copy text from email body
3. Attempt paste in unmanaged app (Notes) -- should be blocked
4. Attempt paste in managed app (Teams) -- should work
# Verify selective wipe
1. Enroll test device with MAM
2. Access corporate data in managed apps
3. Trigger selective wipe from Intune portal
4. Verify corporate data removed, personal data intact
# Verify offline grace period
1. Access managed app while connected
2. Disconnect from network
3. After grace period expires, verify app access blockedStep 6: Monitor and Respond
Configure MAM monitoring dashboards:
- App protection policy assignment status
- Non-compliant device/user reports
- Selective wipe execution logs
- Jailbreak/root detection alerts
- Failed PIN attempt tracking
Key Concepts
| Term | Definition |
|---|---|
| MAM | Mobile Application Management - app-level policies without requiring full device enrollment |
| App Protection Policy | Set of rules enforcing data protection at the app level (encryption, DLP, access controls) |
| Selective Wipe | Removing only corporate data from managed apps while preserving personal data |
| App Wrapping | Post-build process applying MAM SDK policies to apps without source code modification |
| Containerization | Isolating corporate app data in an encrypted container separate from personal apps |
Tools & Systems
- Microsoft Intune: Cloud-based MAM/MDM platform with app protection policies
- Intune App SDK: SDK for integrating MAM controls into custom iOS/Android apps
- Intune App Wrapping Tool: Post-compilation tool for applying MAM policies without code changes
- VMware Workspace ONE: Alternative MAM platform with app containerization
- Azure AD Conditional Access: Policy engine for enforcing MAM enrollment as access condition
Common Pitfalls
- SDK version mismatch: Intune App SDK version must match the policy version. Outdated SDK versions may silently fail to enforce newer policies.
- iOS managed pasteboard: iOS enforces paste restrictions through managed pasteboard, which requires the app to opt-in via Intune SDK integration.
- App wrapping limitations: Wrapped apps cannot use certain features (push notifications on some platforms). SDK integration is preferred for full functionality.
- User experience friction: Overly restrictive policies cause user frustration and shadow IT. Start with Tier 1 and escalate based on data sensitivity.
References and resources
Everything below is rendered for inspection. Script files are read-only and never run.
References 3
api-reference.md1.3 KB
API Reference: Implementing Mobile Application Management
Microsoft Intune MAM API (Graph)
import requests
headers = {"Authorization": "Bearer <token>"}
# List MAM policies
policies = requests.get(
"https://graph.microsoft.com/v1.0/deviceAppManagement/managedAppPolicies",
headers=headers).json()
# List managed apps
apps = requests.get(
"https://graph.microsoft.com/v1.0/deviceAppManagement/managedAppRegistrations",
headers=headers).json()MAM Policy Settings
| Setting | Recommended | Description |
|---|---|---|
| pinRequired | true | Require app PIN |
| encryptAppData | true | Encrypt app data |
| dataBackupBlocked | true | Block iCloud/Google backup |
| screenCaptureBlocked | true | Block screenshots |
| managedBrowserRequired | true | Force managed browser |
| maxPinRetries | 5 | Wipe after failures |
Conditional Launch Settings
| Condition | Action | Value |
|---|---|---|
| Jailbreak/root | Block | true |
| Min OS version | Warn/Block | 16.0 |
| Offline wipe | Wipe | 30 days |
| Max PIN retries | Wipe | 5 |
References
standards.md0.7 KB
Standards Reference: Mobile Application Management
NIST SP 800-124 Rev 2 - Mobile Device Security
- Section 4: Enterprise mobile security technologies (MDM, MAM, MTD)
- Section 5: App vetting and management requirements
OWASP Mobile Top 10 2024
| ID | Risk | MAM Mitigation |
|---|---|---|
| M6 | Inadequate Privacy Controls | Data separation between personal and corporate |
| M8 | Security Misconfiguration | Enforced app configuration policies |
| M9 | Insecure Data Storage | App-level encryption and backup restrictions |
CIS Controls v8
| Control | MAM Relevance |
|---|---|
| 2.5 | Allowlist authorized mobile software |
| 3.6 | Encrypt data on end-user devices |
| 6.4 | Require MFA for remote access |
workflows.md0.8 KB
Workflows: Mobile Application Management
Workflow 1: MAM Deployment
[Define data classification] --> [Create protection tiers] --> [Configure policies]
| |
[Identify managed apps] [App protection policies]
[Integrate Intune SDK] [App configuration policies]
[Conditional access]
|
[Test on pilot devices]
[Validate DLP controls]
[Roll out to users]Scripts 2
agent.py5.8 KB
#!/usr/bin/env python3
"""Mobile Application Management Agent - audits MDM policies, app inventory, and compliance posture."""
import json
import argparse
import logging
import subprocess
from collections import defaultdict
from datetime import datetime
logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
logger = logging.getLogger(__name__)
def mdm_api_request(base_url, token, endpoint, method="GET"):
"""Execute MDM API request via curl."""
cmd = ["curl", "-s", "-X", method,
"-H", f"Authorization: Bearer {token}",
"-H", "Accept: application/json",
f"{base_url}{endpoint}"]
result = subprocess.run(cmd, capture_output=True, text=True, timeout=120)
return json.loads(result.stdout) if result.stdout else {}
def get_managed_devices(base_url, token):
"""Get all managed devices."""
return mdm_api_request(base_url, token, "/api/v1/devices")
def get_managed_apps(base_url, token):
"""Get managed application inventory."""
return mdm_api_request(base_url, token, "/api/v1/apps")
def get_compliance_policies(base_url, token):
"""Get device compliance policies."""
return mdm_api_request(base_url, token, "/api/v1/compliance/policies")
def get_app_protection_policies(base_url, token):
"""Get MAM app protection policies."""
return mdm_api_request(base_url, token, "/api/v1/app-protection-policies")
def audit_device_compliance(devices):
"""Audit device compliance status."""
compliant = 0
non_compliant = 0
issues = defaultdict(int)
for device in devices:
if device.get("compliance_state") == "compliant":
compliant += 1
else:
non_compliant += 1
for issue in device.get("compliance_issues", []):
issues[issue] += 1
return {
"total_devices": len(devices),
"compliant": compliant,
"non_compliant": non_compliant,
"compliance_rate": round(compliant / max(len(devices), 1) * 100, 1),
"top_issues": dict(sorted(issues.items(), key=lambda x: x[1], reverse=True)[:10]),
}
def audit_app_security(apps):
"""Audit managed app security configuration."""
findings = []
for app in apps:
app_name = app.get("name", "unknown")
if not app.get("managed"):
findings.append({"app": app_name, "issue": "unmanaged_app", "severity": "medium"})
if app.get("data_sharing_allowed"):
findings.append({"app": app_name, "issue": "data_sharing_enabled", "severity": "high"})
if not app.get("encryption_required"):
findings.append({"app": app_name, "issue": "encryption_not_required", "severity": "high"})
if not app.get("pin_required"):
findings.append({"app": app_name, "issue": "no_app_pin", "severity": "medium"})
if app.get("allow_backup_to_cloud"):
findings.append({"app": app_name, "issue": "cloud_backup_allowed", "severity": "medium"})
return findings
def audit_protection_policies(policies):
"""Audit MAM protection policy configuration."""
results = []
for policy in policies:
checks = {
"data_transfer_restricted": policy.get("restrict_cut_copy_paste", False),
"save_as_blocked": policy.get("block_save_as", False),
"screen_capture_blocked": policy.get("block_screen_capture", False),
"managed_browser_required": policy.get("require_managed_browser", False),
"min_os_version_set": bool(policy.get("minimum_os_version")),
"jailbreak_detection": policy.get("block_jailbroken", False),
"offline_grace_period_set": bool(policy.get("offline_interval")),
}
passed = sum(1 for v in checks.values() if v)
results.append({
"policy_name": policy.get("name", "unknown"),
"platform": policy.get("platform", "unknown"),
"checks": checks,
"score": round(passed / max(len(checks), 1) * 100, 1),
})
return results
def generate_report(devices, apps, policies, protection_policies):
device_audit = audit_device_compliance(devices)
app_findings = audit_app_security(apps)
policy_audit = audit_protection_policies(protection_policies)
report = {
"timestamp": datetime.utcnow().isoformat(),
"device_compliance": device_audit,
"app_security_findings": len(app_findings),
"high_severity_findings": len([f for f in app_findings if f["severity"] == "high"]),
"app_findings_detail": app_findings[:20],
"protection_policy_audit": policy_audit,
"overall_mam_score": round(
sum(p["score"] for p in policy_audit) / max(len(policy_audit), 1), 1),
}
return report
def main():
parser = argparse.ArgumentParser(description="Mobile Application Management Audit Agent")
parser.add_argument("--mdm-url", required=True, help="MDM/UEM API base URL")
parser.add_argument("--token", required=True, help="API bearer token")
parser.add_argument("--output", default="mam_audit_report.json")
args = parser.parse_args()
devices = get_managed_devices(args.mdm_url, args.token)
apps = get_managed_apps(args.mdm_url, args.token)
policies = get_compliance_policies(args.mdm_url, args.token)
protection = get_app_protection_policies(args.mdm_url, args.token)
report = generate_report(devices, apps, policies, protection)
with open(args.output, "w") as f:
json.dump(report, f, indent=2, default=str)
logger.info("MAM audit: %d devices (%.1f%% compliant), %d app findings, MAM score %.1f%%",
report["device_compliance"]["total_devices"],
report["device_compliance"]["compliance_rate"],
report["app_security_findings"], report["overall_mam_score"])
print(json.dumps(report, indent=2, default=str))
if __name__ == "__main__":
main()
process.py3.7 KB
#!/usr/bin/env python3
"""
MAM Policy Compliance Checker
Validates Intune App Protection Policy configurations against security baselines.
Usage:
python process.py --policy policy.json [--baseline tier2] [--output report.json]
"""
import argparse
import json
import sys
from datetime import datetime
from pathlib import Path
BASELINE_TIER2 = {
"pin_required": True,
"min_pin_length": 6,
"biometric_enabled": True,
"encrypt_app_data": True,
"screen_capture_blocked": True,
"backup_blocked": True,
"clipboard_restriction": "managedApps",
"jailbreak_blocked": True,
"offline_grace_period_max_minutes": 1440,
"max_pin_retries": 5,
}
BASELINE_TIER3 = {
**BASELINE_TIER2,
"min_pin_length": 8,
"clipboard_restriction": "blocked",
"offline_grace_period_max_minutes": 720,
"save_as_blocked": True,
"printing_blocked": True,
"max_pin_retries": 3,
}
def check_compliance(policy: dict, baseline: dict) -> list:
"""Check policy against baseline requirements."""
findings = []
data = policy.get("dataProtectionSettings", {})
access = policy.get("accessSettings", {})
conditional = policy.get("conditionalLaunchSettings", {})
checks = {
"pin_required": access.get("pinRequired"),
"min_pin_length": access.get("minimumPinLength", 0),
"biometric_enabled": access.get("biometricEnabled"),
"encrypt_app_data": data.get("encryptAppData"),
"screen_capture_blocked": data.get("screenCaptureBlocked"),
"backup_blocked": data.get("backupBlocked"),
"jailbreak_blocked": conditional.get("jailbreakBlocked"),
}
for control, expected in baseline.items():
actual = checks.get(control)
if actual is None:
findings.append({
"control": control,
"status": "MISSING",
"expected": expected,
"actual": None,
"severity": "HIGH",
})
elif isinstance(expected, bool) and actual != expected:
findings.append({
"control": control,
"status": "NON_COMPLIANT",
"expected": expected,
"actual": actual,
"severity": "HIGH",
})
elif isinstance(expected, int) and isinstance(actual, int) and actual < expected:
findings.append({
"control": control,
"status": "BELOW_MINIMUM",
"expected": f">= {expected}",
"actual": actual,
"severity": "MEDIUM",
})
return findings
def main():
parser = argparse.ArgumentParser(description="MAM Policy Compliance Checker")
parser.add_argument("--policy", required=True, help="Policy JSON file")
parser.add_argument("--baseline", choices=["tier2", "tier3"], default="tier2")
parser.add_argument("--output", default="mam_compliance.json")
args = parser.parse_args()
with open(args.policy) as f:
policy = json.load(f)
baseline = BASELINE_TIER3 if args.baseline == "tier3" else BASELINE_TIER2
findings = check_compliance(policy, baseline)
compliant_count = len(baseline) - len(findings)
report = {
"check": {"policy": args.policy, "baseline": args.baseline, "date": datetime.now().isoformat()},
"summary": {
"total_controls": len(baseline),
"compliant": compliant_count,
"non_compliant": len(findings),
},
"findings": findings,
}
with open(args.output, "w") as f:
json.dump(report, f, indent=2)
print(f"[+] Compliance: {compliant_count}/{len(baseline)} controls pass")
print(f"[+] Report saved: {args.output}")
if __name__ == "__main__":
main()