Oura Ring Generation 3
From Wiki-IoT
| Oura Ring Generation 3 | ||
|---|---|---|
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Security Grade
Calculator v1
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Oura Ring Gen3
Brand: Oura (Parent: Oura Health Oy) Category: Smart Ring • Model / Gen: 3 Heritage, Horizon Release Date: 2021-10-26 • Status: In sale Classification Date: 2025-10-13 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | None | 🔗 Proof | Sealed unibody design, not user-serviceable. Attempting to open it would cause destructive damage. |
| Known vulnerabilities | Rare | 🔗 Proof | No widespread, publicly documented vulnerabilities. The device receives regular over-the-air (OTA) firmware updates via the companion app. |
| Prior attacks | None | 🔗 Proof | No publicly known, targeted attacks against the device or its firmware. |
| Updatability | Very common | 🔗 Proof | Firmware is updated automatically and frequently over-the-air (OTA) through the connected Oura App. |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Full | 🔗 Proof | Uses standard secure Bluetooth Low Energy (BLE) pairing protocols to authenticate with the smartphone app. |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | All data transmitted between the ring and the phone is encrypted over the Bluetooth connection. |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | Data is protected by the phone's OS-level encryption. Cloud data is encrypted at rest. |
| Category Score | Score: 1 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Full | 🔗 Proof | Full user account management is provided through the Oura App and cloud service. |
| Authentication | Secure | 🔗 Proof | Authentication is handled by the Oura cloud account, which supports strong passwords and SSO with Google/Apple (which can be MFA-protected). |
| Brute-force protection | Exist | 🔗 Proof | Standard cloud service login mechanisms include protection against brute-force attacks. |
| Event logging | Access event logged | 🔗 Proof | Account login activities are logged on the server-side for security and auditing purposes. |
| Passwords | Require change after setup with complexity requirements | 🔗 Proof | Oura account creation enforces standard password complexity rules. |
| Category Score | Score: 1 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | Proprietary firmware (Companion App: Oura App (iOS and Android)) |
| Hardware (CPU / GPU) | CPU: Not publicly disclosed • GPU: N/A |
| Memory & Storage | Memory: Not publicly disclosed • Storage: Local buffer for up to 6 weeks of data |
| Power, Battery & Charging | Battery: Up to 7 days of battery life (15-22mAh LiPo) • Power: Custom charging puck with USB-C cable • Charging: Proprietary wireless charging |
| Display & Camera | Display: N/A (No display) • Camera: N/A |
| Sound & Connectivity | Sound: N/A • Connectivity: Bluetooth Low Energy (BLE) |
| Physical (Dimensions & Mass) | Dimensions: Width: 7.9mm, Thickness: 2.55mm (size varies) • Mass: 4g - 6g (depending on size) |
