Google Nest Mini 2nd Gen (GA00638)

Google Nest Mini 2nd Gen (GA00638)
Security Grade A Calculator v	Google Nest Mini 2nd Gen (GA00638) Brand: Google (Parent: Alphabet Inc.) Category: Smart speaker • Model / Gen: 2 GA00638 Release Date: 2019-10-22 • Status: In sale Classification Date: • Official Website

Security Evaluation

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	The security assessment discusses the device's security design, but it does not establish resistance to every form of physical tampering. The selected rating is provisional.
Known vulnerabilities	Rare	🔗 Proof	Public vulnerability records should be checked for applicability to Google Nest Mini (2nd gen), model H2C, and the installed firmware. The selected rating is provisional and does not imply that the device is vulnerability-free.
Prior attacks	None	🔗 Proof	The CISA catalog can be used to check known exploited vulnerabilities. It does not establish the complete history of attacks against this specific model; the rating is provisional.
Updatability	Very common	🔗 Proof	Google lists Nest Mini security updates and indicates that the device is currently receiving critical security updates. The published minimum support date was October 22, 2024, so the current update status should be distinguished from the original minimum support commitment.
Category Score	Score: 2 / 3

Criterion	Value	Proof	Comment
Authentication with other systems	Full	🔗 Proof	The device integrates with Google Account and Google Home services. The cited source does not establish mutual authentication requirements for every integration; Partial is a provisional assessment.
Communications	Encrypted with up-to-date encryption	🔗 Proof	An independent security assessment reported that WLAN and Bluetooth Low Energy communications were secured using up-to-date TLS practices within the tested configuration. This does not establish the security of every communication path or later firmware version.
Storage	Encrypted with up-to-date encryption	🔗 Proof	The security assessment describes data-storage protections and states that factory reset removed user private data in the tested configuration. The precise encryption algorithms and protection of every data type are not specified here; the classification is provisional.
Category Score	Score: 1 / 3

Criterion	Value	Proof	Comment
Account management	Full	🔗 Proof	Google Home and Nest services use Google Account features for account and device management. Available controls depend on the account and configuration.
Authentication	Secure	🔗 Proof	Google provides account security features including suspicious-activity detection and two-step verification. These account-level features do not independently verify every device authentication mechanism.
Brute-force protection	Exist	🔗 Proof	Google Account security protections can help protect account sign-in. Model-specific failed-login limits and local brute-force controls are not established by the cited source; Basic is provisional.
Event logging	Access event logged	🔗 Proof	Google users can review supported activity history and manage some saved activity. This does not establish comprehensive logging of all device access and security events.
Passwords	Require change after setup with complexity requirements	🔗 Proof	The device uses an associated Google Account rather than a documented independent local device password. A mandatory password change after device setup is not verified; the selected value is provisional.
Category Score	Score: 1 / 3

Property	Details
Operating System & App	Google Assistant (embedded firmware) (Companion App: Google Home app)
Hardware (CPU / GPU)	CPU: Quad-core ARM Cortex-A53 @ 1.2 GHz • GPU:
Memory & Storage	Memory: • Storage:
Power, Battery & Charging	Battery: • Power: 14 V DC via proprietary power adapter • Charging:
Display & Camera	Display: • Camera:
Sound & Connectivity	Sound: • Connectivity: Wi-Fi 802.11 b/g/n/ac (2.4/5 GHz), Bluetooth 5.0, Chromecast built-in
Physical (Dimensions & Mass)	Dimensions: 98 x 98 x 42 mm • Mass: 173 g

Google Nest Mini (2nd generation), model H2C, is a compact smart speaker controlled through Google Home and Google Assistant services.

Hardware: Quad-core 64-bit ARM CPU at 1.4 GHz, 40 mm speaker driver, three far-field microphones, capacitive touch controls, and ultrasound sensing.
Network interfaces: Dual-band Wi-Fi (2.4 GHz and 5 GHz), Bluetooth 5.0, and Google Cast.
Security updates: Google lists Nest Mini as currently receiving critical security updates. Its published minimum five-year support date was October 22, 2024.
Security assessment: An independent assessment of the tested H2C configuration reported secure WLAN and Bluetooth Low Energy communications and documented storage protections.
Limitations: CPU-related security details, memory capacity, local storage capacity, current firmware-specific vulnerabilities, and exact authentication controls require additional verification.
Assessment scope: Ratings are provisional and should be interpreted in light of the tested firmware, current device configuration, and available model-specific evidence.