Amazon Echo Dot (3rd Gen)

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof
Known vulnerabilities	Very common	🔗 Proof
Prior attacks	Rare	🔗 Proof
Updatability	None	🔗 Proof
Category Score	Score: 3 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Full	—	Application Test
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	Full	—	Application test
Authentication	Secure	—	Application test
Brute-force protection	Exist	🔗 Proof
Event logging	Access event logged	—	Application test
Passwords	Require change after setup	—	Application test
Category Score	Score: 2 / 3

Technical Specifications

Property	Details
Operating System & App	Android (Companion App: )
Hardware (CPU / GPU)	CPU: AZ1 Neural Edge by Amazon • GPU:
Memory & Storage	Memory: Data is stored in Cloud • Storage: Data is stored in Cloud
Power, Battery & Charging	Battery: None, need to be charged. External batteries can be sold as a supplement. • Power: • Charging: Input : 100 - 240 V, Output : 12 V, Charger 15W
Display & Camera	Display: • Camera: No
Sound & Connectivity	Sound: 4 integrated microphones • Connectivity: Android, iOS and Fire OS
Physical (Dimensions & Mass)	Dimensions: Lg : 9.9 cm, ht : 4.3 cm • Mass: 0.3 kg

I made some tests in the application in order to obtain some results, but I cannot send the pictures.

Some other proofs for the previous attacks and vulnerabilities, because I cannot put all of them : https://dl.acm.org/doi/pdf/10.1145/3321705.3329842?casa_token=WDfN3T7TDb0AAAAA:mONbHcRLcOnNu-JJjJ8kOT7TST2yfa2r9DtD8-wIwprjQ4C6kMkJPXO3TvMSNF5PPFfohnPXgsY https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=8433167&casa_token=9g2WgcLj2TIAAAAA:Ze7CVhwqvwZ6rZhoBm_Q7FMG_5OVIRvJNv38FgQ78aQpI7f41Tp_L3bA_QZrwz0_0wyrqdRI&tag=1 https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=9369553&casa_token=sC01tac1ZaEAAAAA:AC6WeHeLOo3QJuiN0QDNfVojeMBwW5kGo24DwWhQAF2h7rP46blGrEsYR9V3f6pqOurBQsA6