Google Pixel 4a

From Wiki-IoT
Revision as of 08:57, 24 October 2026 by 20232895 (talk | contribs) (GRAS=2+1+1=4, According to the North American Academic scale, we have a grade of A.)

(diff) ← Older revision | Approved revision (diff) | Latest revision (diff) | Newer revision β†’ (diff)



Google Pixel 4a
Security Grade
   
     A
   
Calculator v1
Google Pixel 4a
   Brand: Google Pixel (Parent: Google)
   Category: Smartphone • Model / Gen: 4 4a
   Release Date: 2019-10-19 • Status: In sale
   Classification Date: 2025-10-09 • Official Website

Security Evaluation

1. Device Security

Criterion Value Proof Comment
Known hardware tampering Rare πŸ”— Proof Isolated hardware tampering methods for Pixel devices are documented in security research, but no widespread or user-facing tampering attacks are known for this model.
Known vulnerabilities Rare πŸ”— Proof Only a limited number of security vulnerabilities affect the Pixel 4a, all addressed in monthly Android security bulletins; no critical unpatched flaws remain publicly exposed.
Prior attacks Rare πŸ”— Proof Recorded attacks against Pixel devices are rare and largely targeted, with no mass exploitation campaigns known to target the 4a model specifically.
Updatability Very common πŸ”— Proof Google provides regular monthly security updates and major OS version upgrades for Pixel devices, so firmware and system updates are delivered frequently.
Category Score Score: 2 / 3

2. System Security

Criterion Value Proof Comment
Authentication with other systems Full πŸ”— Proof The device fully supports standard authentication protocols for integration with Google accounts, third-party services and connected peripherals.
Communications Encrypted with up-to-date encryption πŸ”— Proof Network traffic uses modern TLS 1.3 encryption for internet connections and WPA3 support for Wi-Fi, adhering to current security standards.
Storage Encrypted with up-to-date encryption πŸ”— Proof On-device storage is protected by file-based encryption with hardware-backed key storage as implemented in modern Android, using current encryption standards.
Category Score Score: 1 / 3

3. User Authentication

Criterion Value Proof Comment
Account management Full πŸ”— Proof Android provides complete account management for Google accounts, work profiles and secondary user accounts with full permission controls.
Authentication Secure πŸ”— Proof Secure authentication methods including PIN, pattern, password, biometric fingerprint unlock and hardware-backed key attestation are supported.
Brute-force protection Exist πŸ”— Proof The operating system enforces escalating time delays and optional device wipe after repeated failed unlock attempts, protecting against brute-force attacks.
Event logging Access event logged πŸ”— Proof Unlock attempts, account access and security events are recorded in the system security log for audit purposes.
Passwords Require change after setup with complexity requirements πŸ”— Proof A screen lock credential is required during initial setup, and complexity requirements are enforced for lock screen passwords and linked account credentials.
Category Score Score: 1 / 3

Technical Specifications

Property Details
Operating System & App Android 10.0 (Companion App: google store)
Hardware (CPU / GPU) CPU: Qualcomm Snapdragon730 • GPU: Adreno 618
Memory & Storage Memory: 6GB • Storage: 128GB
Power, Battery & Charging Battery: 3140mAh • Power: β€Œ18W USB-C Power Delivery • Charging: USB-C 18W Adapter
Display & Camera Display: 5.81inch • Camera: 12.2MP Dual pixel
Sound & Connectivity Sound: Stereo speakers • Connectivity: Wi-Fi 2.4 GHz + 5 GHz 802.11 a / b / g / n / ac 2Γ—2 MIMO
Physical (Dimensions & Mass) Dimensions: 144 x69.4x 8.2mm • Mass: 143g


This is Google Pixel 4a, a mid-range smartphone running Android 10, equipped with Qualcomm Snapdragon 730 processor and Adreno 618 GPU. It features a Titan M security chip, Wi-Fi 802.11ac (2.4/5 GHz) 2Γ—2 MIMO connectivity, and supports regular monthly security patches and OS updates via Google’s official update channel. It provides modern network encryption (TLS 1.3, WPA2/WPA3) and file-based full-disk encryption with hardware key protection. User authentication is secured through PIN/password/fingerprint unlock, with complete account management, brute-force lockout protection, security event logging and password complexity enforcement. Public hardware tampering methods are limited, known vulnerabilities are rare and patched timely through monthly security bulletins.