Translation guide
Counterintelligence refers to activities designed to prevent or thwart enemy intelligence operations. In Japanese, this concept is expressed through specific terms used in military, security, and law enforcement contexts.
The overall practice of protecting against enemy espionage and intelligence activities.
The most direct and common term for counterintelligence, used in military and security contexts.
Counterintelligence activities are essential for national security.
A broader term that encompasses counterintelligence as part of information warfare.
The military is strengthening its counterintelligence operations.
A less common term that specifically implies counter-espionage, often used in historical or literary contexts.
He was known as an expert in counterintelligence.
Specific actions or missions to thwart enemy intelligence.
Refers to a counterintelligence operation or mission.
The counterintelligence operation was successful, and they arrested the spy.
Literally 'anti-spy activities', a more colloquial way to refer to counterintelligence efforts.
Counterintelligence is an important mission of intelligence agencies.
The discipline or profession of counterintelligence.
The field or domain of counterintelligence.
He has many years of experience in the field of counterintelligence.
In Japanese, counterintelligence is almost always discussed in military, police, or security contexts. The term 防諜 (bōchō) is the standard, but in news or formal reports, you may see 対情報活動 (tai jōhō katsudō) used to emphasize the information aspect.