The exceptional cases where disclosure may be deemed necessary are:
- When there is an imminent threat to life or physical integrity of a person , and Yahoo! JAPAN recognizes the urgency.
- When Yahoo! JAPAN recognizes that there is a high probability that the specific criminal facts on which the disclosure request is based exist. (Yahoo! JAPAN will not respond to exploratory requests for information.)
- Threats, stalking, and other incidents made on Yahoo! JAPAN's user submission service
- Cases in which payment information was misused, resulting in unidentified bills from Yahoo! JAPAN
- Unauthorized access incidents that involved Yahoo! JAPAN IDs
- Property crimes (fraud, etc.) committed on Yahoo! JAPAN's services, where Yahoo! JAPAN is able to recognize the background, etc.
The exceptional cases where disclosure may be deemed valid are:
- Information that Yahoo! JAPAN deems necessary to eliminate the risk in 1 above.
- Information that Yahoo! JAPAN acknowledges as directly related to the fact or condition on which the specific claim is based, in 2 above.
- Registered information of a Yahoo! JAPAN ID to identify the suspect
- Log-in history of a Yahoo! JAPAN ID pertaining to an alleged incident that took place on Yahoo! JAPAN's service
- History of service use by a Yahoo! JAPAN ID pertaining to an alleged incident that took place on Yahoo! JAPAN's service
On the other hand, user information described below will not be disclosed even when Yahoo! JAPAN recognizes the necessity and validity of disclosure, unless it is as a result of the execution of a warrant.
- Information that Yahoo! JAPAN regards to be highly private (e.g. special care-required personal information, credit card information, information that covers a wide range of time periods and items)
- Information of a person other than the suspect (except when Yahoo! JAPAN received an Emergency disclosure requests pertaining to the protection of human life or body)
- Information subject to the protection of the secrecy of communications and information that may be subject to such protection
With regard to requests for disclosure of information from foreign governments, etc., Yahoo! JAPAN will consider the decision to disclose information in accordance with the above policy when it receives a request based on the framework of international investigative cooperation, such as the Act on International Assistance in Investigation and Other Related Matters (Act No. 69 of May 29, 1980), and the mutual legal assistance treaties (MLAT) with relevant countries.