Relevant GrapheneOS Features in the Context of the 2026 Security Report

1. Modem Isolation

GrapheneOS fully separates the cellular modem from the operating system.
This makes silent location queries, IMEI tracking, and baseband exploits significantly more difficult.
This directly addresses risks from wiretapping and BND hacking (silent tracking, radio exploits).

2. No Cloud Telemetry

GrapheneOS sends no user data to Google or other providers.
There are no hidden data paths, no automatic backups, no metadata leakage.
This reduces risks from EU eEvidence and BND hacking (cloud access, disclosure orders).

3. Verified Boot

Every system component is cryptographically verified.
Manipulation by government malware, persistent threats, or supply‑chain attacks is detected or blocked.
This addresses risks from BND hacking, Subzero, and Chat control (client‑side manipulation).

4. Hardened Kernel

GrapheneOS uses a heavily hardened Linux kernel with memory‑safety improvements, exploit mitigations, and restrictive defaults.
This makes zero‑day attacks more difficult, as described in Subzero and BND hacking.

5. Strict App Sandboxing Mechanisms

Each app is isolated and cannot perform screenshots, keylogging, or credential dumping.
This protects against client‑side scanning modules (Chat control) and against trojans (Subzero).

6. Restrictive Permission Models

GrapheneOS extends Android with finer control over sensors, network access, identifiers, and background activity.
This reduces attack surfaces for silent tracking, metadata leakage, and scanning modules.

7. MAC Randomization and Network Hardening

GrapheneOS randomizes network IDs and supports DoH/DoT as well as Tor routing.
This makes tracking via Wi‑Fi networks and central monitoring points like DE‑CIX more difficult (BND hacking).

8. No Proprietary Cloud Dependencies

GrapheneOS does not require Google accounts and does not rely on proprietary security modules for critical functions.
This reduces risks from EU eEvidence and firmware subsystems.

9. Reproducible Builds

The system state is verifiable and auditable.
This prevents hidden code paths like those used in Chat control or manipulated firmware.

10. Strictly Separated User Profiles

GrapheneOS enables real separation of roles, identities, and workspaces.
This reduces risks from BND hacking (access to sensitive data via compromised apps).

11. Local Key Management

Keys remain on the device and are not outsourced to cloud systems.
This protects against disclosure orders and cloud exfiltration (EU eEvidence).

12. No Background Processes

GrapheneOS minimizes system‑wide services and prevents hidden modules.
This addresses risks from Subzero and Chat control (invisible processes, scanning paths).

Short Conclusion

The security report describes a threat landscape that classical smartphones cannot structurally defend against: silent tracking, state‑level zero‑days, cloud access, client‑side scanning, invisible firmware subsystems.
The technical countermeasures listed in the report align almost perfectly with the architecture of GrapheneOS.

Comparison: GrapheneOS, iOS and Android