Atlas / Skills / cyberstrikeus / T1409 Stored Application Data

T1409 Stored Application DataCAUTION

skills/cyberstrikeus/t1409-stored-application-data

Open-source AI-powered offensive security harness for automated penetration testing.

Verdict
CAUTION
Grade
B
Trust score
89 /100
Version
18.1
Hosts
—
License
AGPL-3.0
Stars
3,185
01

Overview

Open-source AI-powered offensive security harness for automated penetration testing.

Read from source at commit eaf7d03223fcOBSERVED · 2026-10-18
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02

What it tells the agent

The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.

---
name: "T1409_stored-application-data"
description: "Adversaries may try to access and collect application data resident on the device."
category: "information-gathering"
version: "18.1"
author: "cyberstrike-official"
tags:
  - mitre-attack
  - mobile
  - t1409
  - collection
  - android
  - ios
technique_id: "T1409"
tactic: "collection"
all_tactics:
  - collection
platforms:
  - Android
  - iOS
mitre_url: "https://attack.mitre.org/techniques/T1409"
tech_stack:
  - android
  - ios
cwe_ids:
  - CWE-200
chains_with: []
prerequisites: []
severity_boost: {}
---

# T1409 Stored Application Data

## High-Level Description

Adversaries may try to access and collect application data resident on the device. Adversaries often target popular applications, such as Facebook, WeChat, and Gmail.

Due to mobile OS sandboxing, this technique is only possible in three scenarios:

- An application stores files in unprotected external storage
- An application stores files in its internal storage directory with insecure permissions (e.g. 777)
- The adversary gains root permissions on the device

## Kill Chain Phase

- Collection (TA0035)

**Platforms:** Android, iOS

## What to Check

- [ ] Identify if Stored Application Data technique is applicable to target mobile environment
- [ ] Check Android devices for indicators of Stored Application Data
- [ ] Check iOS devices for indicators of Stored Application Data
- [ ] Verify mitigations are bypassed or absent (1 known mitigations)
- [ ] Assess detection coverage (1 detection strategies)

## How to Test

### Identify Attack Surface

Determine if the target mobile environment is susceptible to Stored Application Data by examining the target platforms (Android, iOS).

### Assess Existing Defenses

Review whether mitigations for T1409 are in place. If defenses are absent or misconfigured, this technique may be exploitable.

## Remediation Guide

### M1006 Use Recent OS Version

Android 9 introduced a new security policy that prevents applications from reading or writing data to other applications’ internal storage directories, regardless of permissions.

## Detection

### Detection of Stored Application Data

## Risk Assessment

| Finding                                      | Severity | Impact     |
| -------------------------------------------- | -------- | ---------- |
| Stored Application Data technique applicable | Low      | Collection |

## CWE Categories

| CWE ID  | Title                             |
| ------- | --------------------------------- |
| CWE-200 | Exposure of Sensitive Information |

## References

- [SWB Exodus March 2019](https://web.archive.org/web/20200314194610/https://securitywithoutborders.org/blog/2019/03/29/exodus.html)
- [NIST Mobile Threat Catalogue](https://pages.nist.gov/mobile-threat-catalogue/authentication-threats/AUT-0.html)
- [MITRE ATT&CK Mobile - T1409](https://attack.mitre.org/techniques/T1409)
03

Trust audit

CAUTIONgrade B · trust 89/100 Install with care. The audit found things worth knowing before you trust its output.

LayerWhat it checksResult
L0Provenance & inventoryWARN
L1Static analysis of the codeNA
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
none-observed
Shell
none-observed
Dependencies
pinned
Secrets in source
none-found

Findings (5)

MEDIUMInventory / provenance · inv.symlink · CWE-1104
packages/app/public/apple-touch-icon-v3.png
packages/app/public/apple-touch-icon-v3.png
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
packages/app/public/apple-touch-icon.png
packages/app/public/apple-touch-icon.png
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
packages/app/public/favicon-96x96-v3.png
packages/app/public/favicon-96x96-v3.png
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
packages/app/public/favicon-96x96.png
packages/app/public/favicon-96x96.png
Why it matters. link not followed
MEDIUMInventory / provenance · inv.symlink · CWE-1104
packages/app/public/favicon-v3.ico
packages/app/public/favicon-v3.ico
Why it matters. link not followed

Gates applied: no_behavioural_pass.

Audited 2026-10-18 · audit v0.4.1 · source sha eaf7d03223fcfull audit observations/trust-audit/skill/cyberstrikeus__t1409_stored-application-data.json · Report an issue / request a re-scan
04

Audit history

Every audit this skill has had.

DateSourceVerdictGradeScoreChange
2026-10-18eaf7d03223fcCAUTIONB89first audit
05

Questions

What does the T1409 Stored Application Data skill do?

Open-source AI-powered offensive security harness for automated penetration testing.

Is T1409 Stored Application Data safe to install?

With care. The audit graded it B (89/100) and found 5 things worth knowing before you trust this skill, listed below with the exact line each was found on.

What can T1409 Stored Application Data access on my machine?

The audit observed no filesystem, network or shell use at all in its source.

How current is this page?

The grade is for one exact copy of the source (eaf7d03223fc), read on 2026-10-18. The repository is watched, and a new audit runs when it changes — this is the first audit.

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