What Does Intrusion Signature Mean?
An intrusion signature is a kind of footprint left behind by perpetrators of a malicious attack on a computer network or system. Each intrusion signature is different, but they may appear in the form of evidence such as records of failed logins, unauthorized software executions, unauthorized file or directory access, or improper use of administrative privileges.
Techopedia Explains Intrusion Signature
Intrusion signatures are recorded and logged by intrusion detection systems and studied and documented by system administrators who can often configure or modify the system to prevent the same attack from happening again, thus strengthening security against future attacks. System administrators may be able to determine such investigative information about how and when the intrusion was executed and the skill level of the perpetrator.Most intrusion detection systems use one of the following detections methods:
