Exploiting Insecure Data Storage In Mobile

---
name: exploiting-insecure-data-storage-in-mobile
description: Use when identifies and exploits insecure local data storage vulnerabilities
  in Android and iOS mobile applications including unencrypted databases, world-readable
  files, insecure SharedPreferences, plaintext credential storage, and improper keychain/keystore
  usage. Use when performing mobile penetration testing focused on OWASP M9 (Insecure
  Data Storage) or assessing compliance with MASVS-STORAGE requirements.
domain: cybersecurity
tags:
- mobile-security
- android
- ios
- data-storage
- owasp-mobile
- penetration-testing
subdomain: mobile-security
author: oyi77
version: 1.0.0
license: Apache-2.0
atlas_techniques:
- AML.T0057
nist_ai_rmf:
- MEASURE-2.7
- MAP-5.1
- MANAGE-2.4
- GOVERN-1.1
- GOVERN-4.2
nist_csf:
- PR.PS-01
- PR.AA-05
- ID.RA-01
- DE.CM-09
category: cybersecurity
---

# Exploiting Insecure Data Storage In Mobile

## Overview

Cybersecurity skill for exploiting insecure data storage in mobile. Follows industry best practices and security standards.

## When to Use

**Trigger phrases:**
- "exploiting insecure data storage in mobile"
- "Assessing whether mobile applications store sensitive data securely on the devic"
- "Testing for credential leakage through SharedPreferences, SQLite databases, or p"
- "Evaluating keychain/keystore implementation for proper access control attributes"


Use this skill when:
- Assessing whether mobile applications store sensitive data securely on the device filesystem
- Testing for credential leakage through SharedPreferences, SQLite databases, or plists
- Evaluating keychain/keystore implementation for proper access control attributes
- Performing data-at-rest security assessment during mobile penetration tests

**Do not use** this skill on production user devices without authorization -- data extraction techniques require physical access or root/jailbreak privileges.


## When NOT to Use

- When you lack proper authorization for testing
- For production systems without change management
- When the task requires legal or compliance expertise beyond technical scope


## Prerequisites

- Rooted Android device or emulator with ADB access
- Jailbroken iOS device with SSH access or Objection-patched IPA
- ADB (Android Debug Bridge) for Android filesystem access
- SQLite3 CLI for database inspection
- Frida/Objection for runtime data extraction
- Target application installed and exercised (logged in, data cached)


> **Legal Notice:** This skill is for authorized security testing and educational purposes only. Unauthorized use against systems you do not own or have written permission to test is illegal and may violate computer fraud laws.

## Workflow

```python
# Example: IOC detection
import re

IOC_PATTERNS = {
    "ip": r"\b(?:\d{1,3}\.){3}\d{1,3}\b",
    "domain": r"\b[a-z0-9-]+\.[a-z]{2,}\b",
    "hash_md5": r"\b[a-f0-9]{32}\b",
    "hash_sha256": r"\b[a-f0-9]{64}\b",
}

def extract_iocs(text: str) -> dict:
    return {k: re.findall(v, text) for k, v in IOC_PATTERNS.items()}
```

1. **Reconnaissance** — Gather information about the target related to insecure data storage in mobile. Identify attack surface.
2. **Vulnerability Identification** — Enumerate potential insecure data storage in mobile weaknesses using automated and manual techniques.
3. **Exploit Development/Selection** — Choose or develop exploits targeting identified insecure data storage in mobile vulnerabilities.
4. **Execution** — Execute the insecure data storage in mobile test in a controlled manner with proper authorization.
5. **Post-Exploitation** — Document the impact and extent of successful exploitation.
6. **Reporting** — Write detailed findings with reproduction steps, impact assessment, and remediation guidance.

## Tools

- **Vulnerability Scanner** — Automated weakness identification
- **Exploitation Framework** — Controlled exploitation testing
- **Reporting Tool** — Findings documentation and tracking


## Process

1. **Reconnaissance** — Gather target information, identify attack surface, enumerate services
1. **Analysis/Exploitation** — Execute the technique, analyze results, document findings
1. **Reporting** — Document IOCs, write findings, provide remediation recommendations

## Verification

- [ ] All insecure data storage in mobile procedures executed completely and documented
- [ ] Findings validated against multiple data sources
- [ ] False positives identified and filtered
- [ ] Results documented with evidence and timestamps
- [ ] Recommendations provided with risk-based prioritization

## Anti-Rationalization Table

| Rationalization | Reality |
|---|---|
| "We are too small to be targeted" | Automated attacks target everyone. Size does not matter. |
| "Security slows us down" | A breach slows you down 100x more. Build security in from the start. |
| "We will fix it after launch" | Vulnerabilities in production are exploited within hours. Fix before deploy. |