We may access, disclose or preserve personal information, including the content of your communications, in the good faith belief that we are lawfully authorized by public authorities or required to do so, including to meet national security or law enforcement requirements or that doing so is reasonably necessary or appropriate to comply with the law or with legal process or authorities, respond to any claims, or to protect the rights, property or safety of Perfect World, our users, our employees or the public, including without limitation to protect Perfect World or our users from fraudulent, abusive, inappropriate or unlawful use of our Service.