Apple Watch Ultra 3
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Security Grade
Calculator v1
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Apple Watch Ultra 3
Brand: Apple Watch (Parent: Apple) Category: Smartwatch • Model / Gen: 3 49mm Release Date: 2025-09-10 • Status: In sale Classification Date: 2025-10-15 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | 🔗 Proof | Apple Watch Ultra 3 features a Grade 5 titanium case and rugged durability specifications. However, public data on the frequency of hardware tampering incidents is limited. The Rare rating is provisional. |
| Known vulnerabilities | Rare | 🔗 Proof | Apple publishes security advisories and software updates for watchOS. This source does not establish the complete vulnerability history of Apple Watch Ultra 3, so the rating is provisional. |
| Prior attacks | Rare | 🔗 Proof | Apple publishes security advisories for its software platforms. However, this source does not provide a complete record of attacks specifically targeting Apple Watch Ultra 3. The rating is provisional. |
| Updatability | Very common | 🔗 Proof | Apple provides watchOS software and security updates for Apple Watch Ultra 3. Official security release records identify updates applicable to this model, supporting the Very common rating. |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Full | 🔗 Proof | |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | |
| Category Score | Score: 1 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Basic | — | |
| Authentication | Secure | — | |
| Brute-force protection | Exist | — | |
| Event logging | Access event logged | — | |
| Passwords | Require change after setup with complexity requirements | — | |
| Category Score | Score: 2 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | watchOS 26 (Companion App: Watch app) |
| Hardware (CPU / GPU) | CPU: S10 chip, 64-bit dual-core + 4-core Neural Engine; • GPU: |
| Memory & Storage | Memory: • Storage: 64 GB |
| Power, Battery & Charging | Battery: 42h • Power: • Charging: |
| Display & Camera | Display: • Camera: |
| Sound & Connectivity | Sound: • Connectivity: |
| Physical (Dimensions & Mass) | Dimensions: Height 49 mm × Width 44 mm × Depth 12 mm • Mass: 61.6 g（Natural），61.8 g（Black） |
