: Many products send data about unknown files to a cloud database for rapid analysis based on collective threat intelligence from millions of other users.
: Instead of looking at what a file is , this analyzes what a file does . If a program attempts suspicious actions—like encrypting files (ransomware behavior) or disabling security tools—it is flagged, even if the software has never seen that specific code before. Advanced Protection Features How Does Antivirus Software Work? – AZMATH
: Completely deleting the malicious file or application from the device. What Is Antivirus Software? - Sophos : Many products send data about unknown files
: AI algorithms are trained on massive datasets to distinguish between "good" and "malicious" code patterns, allowing for better detection of brand-new malware families. Responding to Threats Responding to Threats : This method looks for
: This method looks for suspicious code structures or characteristics shared with known malware. It helps identify new variants or "polymorphic" viruses that have altered their code to avoid signature detection.