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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


Etymology

Origin of information security

First recorded in 1945–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Like all information security, this will be a rapidly evolving landscape that will require a multifaceted approach and constant adaptation.

From Barron's • Jan. 22, 2026

“We will significantly enhance our information security to prevent recurrences and will do everything we can do to recover trust,” it said.

From The Wall Street Journal • Dec. 16, 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

Burnout is a "major issue" for the sector, ISC2's chief information security officer Jon France says.

From BBC • Sep. 29, 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