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| Amazon Echo Dot
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Security Grade
Calculator v
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Amazon Echo Dot (2nd Generation)
Release Date: 2016-10-20 • 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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Very common
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๐ Proof
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Hardware teardown and firmware modification documented
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| Known vulnerabilities
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Very common
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๐ Proof
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Several medium severity vulnerabilities found
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| Prior attacks
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Rare
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๐ Proof
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Limited real-world exploits
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| Updatability
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Very common
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๐ Proof
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Amazon still provides limited security patches
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| Category Score
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Score: 3 / 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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๐ Proof
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Amazon account authentication, some weaknesses
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| Communications
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Encrypted with up-to-date encryption
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๐ Proof
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Cloud traffic encrypted with TLS
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| Storage
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Encrypted with obselete encryption
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๐ Proof
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User data partially encrypted locally
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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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Full
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๐ Proof
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Amazon account with MFA option
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| Authentication
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Secure
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๐ Proof
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Voice recognition authentication optional
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| Brute-force protection
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Exist
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๐ Proof
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Account login rate limiting
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| Event logging
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Access event logged
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๐ Proof
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Alexa interaction logs available
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| Passwords
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Require change after setup with complexity requirements
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๐ Proof
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Amazon password complexity rules
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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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Amazon Alexa embedded OS (Companion App: Amazon Alexa)
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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: 512 MB RAM • Storage: 4 GB eMMC
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| Power, Battery & Charging
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Battery: No internal battery, mains powered • Power: 9V DC power supply • Charging: N/A
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| Display & Camera
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Display: LED indicator ring • Camera: None
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| Sound & Connectivity
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Sound: 1.6-inch speaker • Connectivity: WiโFi 802.11 b/g/n, Bluetooth 4.1
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| Physical (Dimensions & Mass)
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Dimensions: Height:32โฏmm / Width:84โฏmm / Thickness:84โฏmm • Mass: 320 g
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Amazon Echo Dot (2nd Gen) is a smart speaker IoT device. It uses TLS encryption for cloud communications and partial local storage encryption. It has several known medium vulnerabilities, but real-world attacks are rare. Amazon still provides limited security updates.