| Amazon Echo Dot 3rd Gen (C78MP8)
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Security Grade
Calculator v
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Amazon Echo Dot 3rd Gen (C78MP8)
Release Date: 2018-10-01 • Status: End of 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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Rare
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—
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Requires physical access and disassembly; not a common attack vector for this device.
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| Known vulnerabilities
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Rare
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🔗 Proof
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Vulnerabilities exist but are not as frequently exploited as in routers or cameras.
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| Prior attacks
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Rare
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🔗 Proof
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No major widespread botnet attacks recorded specifically for this model.
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| Updatability
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Very common
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🔗 Proof
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Amazon pushes automatic over-the-air (OTA) firmware updates regularly.
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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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Full
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🔗 Proof
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Requires strict OAuth authentication linked to an Amazon account.
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| Communications
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Encrypted with up-to-date encryption
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🔗 Proof
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Data in transit is secured using modern TLS protocols.
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| Storage
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Encrypted with up-to-date encryption
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🔗 Proof
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Cloud storage is highly secured via AWS standard encryption.
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| Category Score
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Score: 1 / 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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Full
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Account creation and management are tied directly to Amazon's ecosystem.
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| Authentication
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Secure
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Supports Multi-Factor Authentication (MFA) via the Amazon account.
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| Brute-force protection
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Exist
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Amazon account login has built-in rate limiting and CAPTCHA.
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| Event logging
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Access event logged
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Users can review voice history and app access logs in the Alexa app.
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| Passwords
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Require change after setup with complexity requirements
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Follows Amazon account password policy (length and complexity).
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| Category Score
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Score: 1 / 3
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Technical Specifications
| Property
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Details
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| Operating System & App
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Fire OS (Companion App: Amazon Alexa App)
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| Hardware (CPU / GPU)
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CPU: MediaTek MT8516 • GPU: N/A
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| Memory & Storage
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Memory: 64 MB • Storage: 4 GB
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| Power, Battery & Charging
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Battery: N/A • Power: 15W Adapter • Charging:
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| Display & Camera
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Display: • Camera:
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| Sound & Connectivity
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Sound: 1.6" speaker • Connectivity: Wi-Fi, Bluetooth
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| Physical (Dimensions & Mass)
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Dimensions: 3.9 x 3.9 x 1.7 inches • Mass: 10.6 ounces
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The Amazon Echo Dot is an always-on smart speaker with a built-in microphone. While Amazon provides security updates and encrypts data in transit, the device constantly collects voice data and transmits it to the cloud. Privacy risks include accidental voice recording, unauthorized access to the Alexa account, and potential network vulnerabilities if not regularly updated. Therefore, it requires a moderate level of security management. The URLs provided above include Mozilla's privacy research and specific NVD vulnerability records to justify this assessment.
