Copyright © 2026 Kotomora. All Rights Reserved.
セキュリティ (sekyuriti) Japanese meaning: security | Kotomora
Report an issue with this page
This building has tight security.
I updated the security software on my computer.
Usage patterns セキュリティを 強きょう 化か する to strengthen security
The company strengthened its security in preparation for cyberattacks.
セキュリティが 甘あま い security is lax/weak
This website is said to have weak security.
セキュリティを 突とっ 破ぱ する to breach/bypass security
The hacker breached the system's security.
セキュリティ 対たい 策さく をする to take security measures
You need to take security measures to protect personal information.
〈 場ば 所しょ 〉 のセキュリティを 強つよ める to tighten security at a place
They tightened security at the airport.
Related words 安全 is the everyday Japanese word for 'safety/security' in general, while セキュリティ is the loanword used especially for IT systems, physical access control, and formal security measures.
防犯 specifically means 'crime prevention' (locks, cameras, patrols), whereas セキュリティ is broader and covers both physical and digital protection.
保護 means 'protection' in a general or legal sense (e.g. data protection, protecting the environment), while セキュリティ focuses on defense against threats or breaches.
セキュリティ is the general word for security, while ホームセキュリティ narrows it down to security systems for private homes.
Written forms セキュリティ Usage 82%
Most common modern spelling; loanword from English 'security'.
セキュリティー Usage 18%
Variant with long vowel marker; also common, especially in older or more formal contexts.
Etymology Loanword from English 'security'.
セキュリティ 設せっ 定てい
