IntactPhone is a security-hardened Android-based smartphone developed by CommuniTake and distributed by IS4 Security s.r.o. It runs IntactOS, a custom Android-derived operating system built from proprietary source code, designed to eliminate bloatware, carrier bindings, and data leakage vulnerabilities found in standard Android builds. The device features a trusted hardware stack with a secured bootloader and proprietary drivers, for which full source code audit access is provided. CommuniTake owns the entire device code stack. Communications are protected via IntactDialog, which encrypts VoIP calls using ZRTP protocol across 2G GSM, 3G UMTS-CDMA, and LTE networks. End-to-end message encryption is implemented using AES-256 with 256-bit key length and RSA-2048. The IntactCC (Command and Control) component provides centralized device management through configurable security profiles and group-based policies. It governs app usage, web browsing, network access, and data resource access, and supports remote wipe in cases of loss or theft. Additional security capabilities include: - Behavioral anomaly detection across Wi-Fi, mobile network, and application connections - Integrated antimalware with real-time threat removal - URL classification to block malicious URLs, phishing sites, spam, and compromised domains - Granular app permission enforcement with the ability to block or spoof data access requests - Full-disk encryption with device-owner-only key access The IntactSecurity app monitors device compliance with security configurations. IntactCare provides automated remediation and remote control capabilities for performance and security issue resolution. Two device models are available: IntactPhone Opaque and IntactPhone Arcane.