Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: A major government computer data breach which led to the arrest of a British man has cost US authorities at least $3.7m (£2.2m), an audit report claims.

Data breach cost $3.7m claims report