| Garmin Forerunner 965 (010-02809-00)
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Security Grade
Calculator v1
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Garmin Forerunner 965
Release Date: 2023-03-02 • Status: In sale
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Security Evaluation
1. Device Security
| Criterion
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Value
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Proof
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Comment
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| Known hardware tampering
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None
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🔗 Proof
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No public records of hardware tampering cases for this model
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| Known vulnerabilities
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Rare
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🔗 Proof
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Very few publicly reported security vulnerabilities for this device
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| Prior attacks
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None
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🔗 Proof
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No documented targeted attacks against Forerunner 965
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| Updatability
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Very common
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🔗 Proof
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Supports firmware update via Garmin Connect App, Wi‑Fi auto-update and Garmin Express
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| Category Score
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Score: 2 / 3
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2. System Security
| Criterion
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Value
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Proof
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Comment
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| Authentication with other systems
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Partial
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🔗 Proof
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Supports pairing and authentication with Garmin Connect app over Bluetooth / Wi‑Fi; no enterprise SSO or third-party system integration.
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| Communications
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Encrypted with up-to-date encryption
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🔗 Proof
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Bluetooth, Wi‑Fi use modern standard encryption protocols for data transmission; secure pairing available.
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| Storage
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Encrypted with up-to-date encryption
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🔗 Proof
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User fitness and payment data are protected by on-device encryption when watch passcode is enabled.
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| Category Score
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Score: 2 / 3
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3. User Authentication
| Criterion
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Value
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Proof
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Comment
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| Account management
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Basic
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🔗 Proof
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Account management is handled in Garmin Connect cloud account; watch itself has only local passcode lock, no multi-user local account system.
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| Authentication
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Secure
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🔗 Proof
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Supports wrist detection unlock + user-defined 4-digit passcode; pairing authentication with Garmin Connect uses encrypted Bluetooth/Wi-Fi channel.
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| Brute-force protection
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Exist
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🔗 Proof
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Temporary lock after 3 wrong passcode attempts; full lock after 5 failures, requires reset via Garmin Connect. Unpaired watch will wipe all data after 5 wrong tries.
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| Event logging
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Absent
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🔗 Proof
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The watch does not locally store security audit logs, access logs or authentication attempt records.
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| Passwords
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Default/Common/Easy to guess
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🔗 Proof
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Passcode is limited to 4 numeric digits. No mandatory password complexity rules or forced password rotation after setup.
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| Category Score
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Score: 2 / 3
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Technical Specifications
| Property
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Details
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| Operating System & App
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Garmin OS (Companion App: Garmin Connect)
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| Hardware (CPU / GPU)
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CPU: Not publicly disclosed • GPU: Integrated within SoC, not separately specified
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| Memory & Storage
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Memory: 32 GB total storage (RAM undisclosed) • Storage: 32 GB on‑board flash storage
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| Power, Battery & Charging
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Battery: Lithium‑ion rechargeable battery • Power: 3.8 V DC • Charging: Garmin proprietary magnetic charging cable
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| Display & Camera
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Display: 1.4" AMOLED, 454 × 454 pixels • Camera: None
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| Sound & Connectivity
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Sound: Built‑in speaker • Connectivity: Bluetooth, ANT+, Wi‑Fi
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| Physical (Dimensions & Mass)
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Dimensions: 47.2 × 47.2 × 13.2 mm • Mass: 53 g
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Garmin Forerunner 965 (010-02809-00) is a GPS triathlon smartwatch running Garmin OS. It supports Bluetooth, ANT+ and Wi‑Fi communication, with firmware updates delivered via Garmin Connect or Garmin Express. It provides local passcode protection and brute-force lockout, and user data is encrypted when the watch lock is enabled. No major public security vulnerabilities or targeted attacks have been recorded for this model.
