サイバー

さいばー
prefix
cyber-; related to computers and the internet
technicaltechnology
1. cyber-; computer-related; internet-related
A prefix borrowed from English "cyber-", attached to other words to indicate something related to computers, networks, or the internet — especially issues of security and crime.
サイバー攻撃(こうげき)()けた
We were hit by a cyberattack.
Cybercrime is increasing year by year.
Companies need to hire cybersecurity experts to protect confidential information.

Functions as a prefix that combines with other nouns. Rarely appears alone — almost always attached to another word.

Compounds

  • サイバー攻撃(こうげき): cyberattack
  • サイバー犯罪(はんざい): cybercrime
  • サイバーセキュリティ: cybersecurity
  • サイバー空間(くうかん): cyberspace
  • サイバーテロ: cyberterrorism
  • サイバー(せん): cyber warfare

Usage

Most common in security, crime, and military contexts. Less common in everyday tech vocabulary, where words like 情報(じょうほう) (information) or デジタル (digital) tend to be preferred.