A matter pertaining to the security of the property of the Corporation as it contains commercial and financial information supplied in confidence to the Corporation, the disclosure of which could be reasonably expected to prejudice significantly the competitive position or interfere significantly with the contractual or other negotiations of a person, group of persons or organization, result in similar information no longer being supplied to the Corporation where it in the public interest that similar information continue to be so supplied and result in undue loss or gain to any person, group, committee or financial institution or agency and matters related to the personal information about identifiable individuals, including municipal or local board employees related to the potential provision of internal audit services for the City of London, by an external organization.