F

False Positive

A false positive, often encountered in vulnerability scanning of a network, is a security alert that incorrectly states that malicious activity is occurring.
 

Firewall

A firewall is a network security system that controls and monitors network traffic, both incoming and outgoing, based on a set of defined security rules. A firewall, therefore, is able to block unauthorized access and can prevent malicious activity and attacks such as viruses or worms entering a network.
 

Forensics

Forensics, or Cyber Forensics, is a method of electronic investigation to gather, retain and analyze data, in order to determine, reveal or prove criminal activity.