1.
unauthorized access, illegal access, hacking
Gaining access to a computer system, network, or account without proper authorization.
不正アクセスを防ぐ。
To prevent unauthorized access.
不正アクセスで個人情報が流出した。
Personal information was leaked due to unauthorized access.
不正アクセスは法律で禁止されており、厳しく罰せられる。
Unauthorized access is prohibited by law and is severely punished.
不正アクセス is a compound of 不正 (unauthorized/illegal) and アクセス (access).
LEGAL CONTEXT:
不正アクセス禁止法 is Japan's law prohibiting unauthorized computer access, enacted in 1999.
COMMON EXPRESSIONS:
- 不正アクセスを防ぐ: to prevent unauthorized access
- 不正アクセスを検知する: to detect unauthorized access
- 不正アクセスによる被害: damage from unauthorized access