ZoneAlarm Extreme Security is the most comprehensive multilayered security suite that stops the toughest viruses, spyware, ransomware and hackers. ZoneAlarm’s award-winning enterprise-grade solution includes its iconic and pioneering firewall, advanced anti-phishing technology, award winning anti ransomware and protection against zero-day attacks. It also includes threat prevention tools such as Threat Emulation and Threat Extraction. The ZoneAlarm Extreme Security is a multi-device offer which enable the usage of each seat on either a PC or a mobile device (ZoneAlarm mobile security app).