Mysterium VPN: Fast & Secure Security & Privacy Scorecard

Mysterium VPN: Fast & Secure

com.mysteriumvpn.android | Version 2.4.1 | Android | March 24, 2026

What This Means for You

The connection is protected with strong technical safeguards, but the app collects data about user activity and shares it with outside parties. Users have limited control over this data collection. For users who rely on a VPN to keep their activity private from their provider, the app's own data practices work against that goal.

Recommendation: Use With Caution

Best For: Bypassing geo-restrictions on a budget
Avoid If: users wanting full privacy from their VPN provider

Key Findings

Data Security - 4 findings (4 info)

Network Security - 2 findings (1 low, 1 info)

Code Safety - 0 findings

Privacy - 2 findings (2 medium)

Privacy Concerns

What Data is Collected

The app collects data about connection activity and usage patterns. Users have limited options to control or reduce this collection, which contributes to a low overall Privacy score of 35 out of 100.

Third-Party Data Sharing

No third-party advertising or analytics services were identified in the app. Data sharing with the developer's own systems is a concern, however. The Data Sharing score of 30 out of 100 reflects limited transparency around how user data is used beyond providing the core service.

Understanding the Scores

Positive Security Features

• Data handled within the app is secured to a high standard. This category scored a perfect 100 out of 100.
• Network communications are well-protected, with strong safeguards applied to data in transit, reflected in a 97 out of 100 Network Security score.
• The app's code structure raises no safety concerns across all areas reviewed, scoring 92 out of 100 for Code Safety.

Areas for Improvement

• The app collects data about user activity and gives users limited options to reduce or opt out of that collection. User Control scored 40 out of 100.
• Data sharing practices lack transparency. Data generated by users may be used or shared in ways that are not fully clear, as reflected in the Data Sharing score of 30 out of 100.
• Users who need strong privacy guarantees from their service provider should look for an app with a stricter no-logs policy and clearer, enforceable data controls.

About This Analysis

This scorecard is based on automated static analysis of the app's code and configuration. Scores reflect the state of the app at the time of the analysis and may not capture server-side behavior or changes made after the scan date.

App Details