network security
nounUK /ˈnetwɜːk sɪˈkjʊərəti/
US /ˈnetwɜːrk sɪˈkjʊrəti/
Network security means keeping computer networks safe from bad people.
The school hired an expert in network security to protect its computers.
RELATED WORDS
OTHER MEANINGS
2. The set of rules and tools a company uses to stop hackers from getting into its systems.
Good network security stopped the virus before it reached the office files.
3. The practice of guarding the connections between computers so private information stays private.
Banks spend a lot of money on network security to keep customers' money safe.
4. A field of study about protecting computer networks from attacks.
She studied network security at college and now helps companies stay safe online.