information security
nounUK /ˌɪnfəˈmeɪʃən sɪˈkjʊərəti/
US /ˌɪnfərˈmeɪʃən sɪˈkjʊrəti/
Keeping information safe so that only the right people can see or use it.
The school teaches information security so students know how to protect their passwords.
RELATED WORDS
OTHER MEANINGS
2. The rules and tools a company uses to stop secret data from being stolen or lost.
The bank hired an expert in information security to guard its customers' records.
3. The practice of protecting computer files and messages from being changed or read by strangers.
Good information security means backing up your files and using strong passwords.
4. A field of study about keeping digital information private, correct, and available when needed.
She studied information security at college and now helps companies stay safe online.