K7 Ultimate Security Infiniti is an antivirus software for home users who want lifetime protection without recurring subscriptions. Built by K7 Computing, it shields up to five Windows, Mac, Android, and iOS devices from malware, ransomware, phishing, APTs, webcam spies, and malicious websites. An intelligent firewall, secure banking module, parental controls, and data backup round out the suite. System tools include registry cleaner, USB vaccination, secure delete, disk optimization, and computer tune-up.