Personal Firewall
nounverified·updated May 9, 2026
A utility on a computer that monitors network activity and blocks communications that are unauthorized.
MWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2
Senses
SANS Glossary of Security Terms
Personal firewalls are those firewalls that are installed and run on individual PCs.
Classifications
Entity Type
Network95%rule-basedr:entity.network.gear.v1
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Sensitivity
unclassified
Information Class
unclassified
Variants
- alternatephrasing
- Personal Firewalls
- plural
- Personal FirewallsPersonal Firewallses
- possessive
- Personal Firewall'sPersonal Firewalls's
- pluralpossessive
- Personal Firewalls'Personal Firewallses'