information security

American  

[in-fer-mey-shuhn si-kyoor-i-tee] / ˌɪn fərˈmeɪ ʃən sɪˈkyʊər ɪ ti /

noun

1. the design and implementation of protocols used to guard against unauthorized access to, modification of, or destruction of confidential data, whether in digital or nondigital format. IS

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Etymology

Origin of information security

First recorded in 1945–50

Example Sentences

New start-ups without any legacy baggage can entirely rethink information security in an agent-first world, and possibly leapfrog industry mainstays.

From Barron's • Jan. 22, 2026

"We are making every effort to achieve full system restoration as quickly as possible, while implementing measures to prevent recurrence and strengthening information security across the group."

From BBC • Nov. 26, 2025

He has worked in information security for several companies, according to his profile.

From The Wall Street Journal • Nov. 26, 2025

“What was once thought of as simply a physical crime has now become a complex mix of internet access and physical execution,” said Randolph Barr, chief information security officer at cybersecurity firm Cequence Security.

From The Wall Street Journal • Nov. 25, 2025

Our next speaker is Ted Hammacher, a recognized expert on the subject of computer and information security.

From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Schwartau, Winn