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tv.twitch.android.app · Build 31.5.2

Analysis: complete. Static analysis completed for this build. A grade is not a guarantee of safety. Historical verification does not establish current reachability.

Grade / score: B · 89/100
Finding categories: 6
Occurrences: 23
Scanned: 2026-10-08T09:25:58.808Z
Document issued: 2026-10-14T13:49:56.505Z
Historical verifications: 0

Finding evidence

Open a category to review its occurrences. Printing includes all categories and occurrences.

Amazon S3 bucket reference · low · 13 occurrences

Confirm the bucket/database denies anonymous read (enable auth / storage rules / RLS), then audit its contents for data already exposed while it was open.

CWE-200 · CWE-284 · MASVS-STORAGE-2

https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███
https://██████████████████.s3.amazonaws.com/███
https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███
https://██████████████████████████.s3.amazonaws.com/███
https://██████████████████.s3.amazonaws.com/███
https://███████████████.s3.us-west-2.amazonaws.com/███
https://██████████████████████████.s3.amazonaws.com/███
https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███
https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███
https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███
https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███
https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███
https://███████████████████████████████████████████████████████████████.s3.us-west-2.amazonaws.com/███

Firebase Realtime Database reference · low · 1 occurrence

Confirm the bucket/database denies anonymous read (enable auth / storage rules / RLS), then audit its contents for data already exposed while it was open.

CWE-200 · CWE-284 · MASVS-STORAGE-2

https://████████████.firebaseio.com/███

Google API key (client-shipped; restriction unverified) · low · 1 occurrence

Restrict the API key (application + API restrictions in Google Cloud Console); a client-shipped key is public, so restriction is the control.

CWE-798 · MASVS-STORAGE-1

AIza•••••••• (21–40 chars, redacted)

Firebase Storage bucket reference · low · 2 occurrences

Confirm the bucket/database denies anonymous read (enable auth / storage rules / RLS), then audit its contents for data already exposed while it was open.

CWE-200 · CWE-284 · MASVS-STORAGE-2

████████████
████████████

Sentry DSN · low · 5 occurrences

A client DSN is low-risk but confirm it is a client (not internal) DSN and cannot be abused to spoof events.

CWE-200 · MASVS-STORAGE-2

https://███████.ingest.us.sentry.io/███
https://███████.ingest.us.sentry.io/███
https://███████.ingest.us.sentry.io/███
https://███████.ingest.us.sentry.io/███
https://███████.ingest.us.sentry.io/███

Short signing key (RSA 1024-bit) · medium · 1 occurrence

Use an RSA key of at least 2048 bits or an EC P-256 key for signing.

CWE-326 · MASVS-CRYPTO-1

RSA-1024

Control coverage

Mapped static evidence does not establish a control pass. Manual assessment remains separate.

Control	Requirement	Recorded status
MASVS-STORAGE-1	The app securely stores sensitive data.	Review signal
MASVS-STORAGE-2	The app prevents leakage of sensitive data.	Review signal
MASVS-CRYPTO-1	The app employs current strong cryptography and uses it according to best practices.	Review signal
MASVS-CRYPTO-2	The app performs key management according to best practices.	No static findings · not a pass
MASVS-AUTH-1	The app uses secure authentication and authorization protocols.	Manual assessment
MASVS-AUTH-2	The app performs local authentication securely.	Manual assessment
MASVS-AUTH-3	The app secures sensitive operations with additional authentication.	Manual assessment
MASVS-NETWORK-1	The app secures all network traffic according to current best practices.	No static findings · not a pass
MASVS-NETWORK-2	The app verifies the identity of the remote endpoint (e.g. certificate pinning).	No static findings · not a pass
MASVS-PLATFORM-1	The app uses IPC mechanisms securely.	No static findings · not a pass
MASVS-PLATFORM-2	The app uses WebViews securely.	No static findings · not a pass
MASVS-PLATFORM-3	The app uses the user interface securely.	Manual assessment
MASVS-CODE-1	The app requires an up-to-date platform version.	No static findings · not a pass
MASVS-CODE-2	The app has a mechanism for enforcing updates.	Manual assessment
MASVS-CODE-3	The app only uses software components without known vulnerabilities.	No static findings · not a pass
MASVS-CODE-4	The app validates and sanitizes all untrusted inputs and follows secure-coding practice.	No static findings · not a pass
MASVS-RESILIENCE-1	The app validates the integrity of the platform.	Manual assessment
MASVS-RESILIENCE-2	The app implements anti-tampering mechanisms.	Manual assessment
MASVS-RESILIENCE-3	The app implements anti-static-analysis mechanisms.	Manual assessment
MASVS-RESILIENCE-4	The app implements anti-dynamic-analysis techniques.	Manual assessment
MASVS-PRIVACY-1	The app minimizes access to sensitive data and resources.	No static findings · not a pass
MASVS-PRIVACY-2	The app prevents identification of the user.	No static findings · not a pass
MASVS-PRIVACY-3	The app is transparent about data collection and usage.	No static findings · not a pass
MASVS-PRIVACY-4	The app offers user control over their data.	Manual assessment

Build identity and signature

Scan ID: b45a9ad8-1d71-423e-93dc-7c7d6312fb71
APK SHA-256: 8dd7d4f452f2628566e4f02eab04dd902aa162d3cf845c46ee7cfd64fa84ce9e
Capsule SHA-256: 45d6d24c47b3cfa1b9206f480cf415a1fcffb918b7e53117e69637f7ac01bd1b
Signing key: IE6LeZNX4dAAPLGr

Verify the signed JSON at apk-scanner.com/verify. This printed view is a presentation of the signed record; the JSON is the verification artifact.