However, While AI predicts threats, definitions provide the certainty needed for remediation. An AI might flag a file as "suspicious," but a definition is what allows the software to identify it as "Trojan.Gen.2" and clean it.

SEP antivirus definitions are updated through:

Antivirus definitions (also called virus definitions, DAT files, or signature files) are databases that contain known virus signatures, heuristics, and behavioral patterns. SEP uses these to detect and block malware.