means all information of a confidential nature disclosed by the Principal or its personnel to the Contractor or its personnel, whether disclosed orally, in writing or in any other medium and whether marked confidential or otherwise including business, financial and operational data or statistics, any pricing arrangement, data, business relationship. transaction and contract details, business development and marketing plans, business models strategies, business tactics, customer information research devices. data trade secrets specifications, copyrights, patents, know- how or other proprietary or intellectual property rights, but not including information which is or comes into the public domain through no fault of the Contractor, was already lawfully in the Contractor's possession or comes into the Contractors possession without breach of confidentiality any third party's obligation to the Principal, or is independently developed by or on behalf of the Contractor.