eScan Internet Security is an antivirus software for Windows home users and small businesses that delivers layered real-time protection against malware, ransomware, phishing, and zero-day threats. Powered by heuristic and cloud-based engines, it includes a two-way firewall, anti-spam, parental controls, USB device blocker, and shadow backup for ransomware recovery. eScan safeguards online banking, browsing, and file sharing while offering lightweight performance and a centralized dashboard for managing security policies across devices.