5 15 2017 TREASURY DIRECTIVE 8503 TREASURY DIRECTIVE 8503 DATEDATE January 9 2009 ADMINISTRATIVE EDIT August 9 2016 SUBJECT Authorities of the Departmental Chief Information Officer to Respond to Information Technology IT Security Incidents Threats and Vulnerabilities 1 PURPOSE This directive describes the authorities of the Deputy Assistant Secretary for Information Systems and Chief Information Officer DASIS CIO in the event of an IT security incident or identification of a significant IT security vulnerability 2 SCOPE AND APPLICABILITY a This directive applies to all information technology systems operated by or on behalf of the Department and its bureaus offices and related organizations This scope includes systems within the Departmental Offices Departmentwide systems operated under the purview of the DASIS CIO and systems operated by or on behalf of the Departmental bureaus a The authority of the Inspectors General is set forth in Section 3 of the Inspector General Act and the Internal Revenue Service Restructuring and Reform Act and defined in Treasury Order 11401 OIG and Treasury Order 11501 TIGTA or successor orders The provisions of this directive shall not be construed to interfere with that authority a Those authorities reserved to the Assistant Secretary Intelligence and Analysis concerning United States intelligence activities are not affected by this directive 3 POLICY a The Department and its bureaus shall establish and maintain the capability to respond to computer or network based security incidents and threats in order to preserve the ability to perform necessary government functions protect Treasury information and information system assets and maintain the confidentiality and integrity of business and personal information under the custody of Treasury a The DASIS CIO shall serve as the overall Departmental authority for the secure operation of Department IT resources a As such the DASIS CIO is authorized to take necessary and appropriate action s in response to an actual suspected or threatened IT security incident or significant IT vulnerability a Prior to taking any action authorized under this directive the DASIS CIO shall coordinate such actions with bureau management officials and other responsible security officials within the Department As part of this coordination the DASIS CIO shall brief bureau officials on information on threats and vulnerabilities Additionally the DASIS CIO shall notify appropriate bureau officials prior to providing information to parties outside the Department about bureau incidents vulnerabilities or related sensitive bureau information 4 DEFINITIONS a IT Security Incident is a violation or imminent threat of violation of computer security policies acceptable use policies or standard security practices that could result in the inability of the Department to continue to perform necessary business functions the disclosure of sensitive or classified Treasury information or the loss of confidentiality or integrity of business or personal information under the Department’s custody An “imminent threat of violation” refers to a situation in which there is a factual basis for believing that a specific incident is about to occur For example antivirus software maintainers may receive a bulletin from the software vendor warning them of a new worm that is rapidly spreading across the Internet b Significant IT Vulnerability is one or more weaknesses or deficiencies in the security of Department computer systems or networks identified by an authoritative source e g product provider U S Government agency etc that if unaddressed could lead to an IT Security Incident c Necessary and Appropriate Actions are coordinated management decisions or other measures both precautionary and reactive to address known or suspected IT security incidents events threats and vulnerabilities 5 RESPONSIBILITIES https www treasury gov about roleoftreasury ordersdirectives Pages td8503 aspx 1 2 5 15 2017 TREASURY DIRECTIVE 8503 a The DASIS CIO shall in coordination with bureau management officials and other responsible security officials within the Department assess the particular circumstances of an incident or vulnerability in particular the severity or criticality of the event determine the appropriate action to be taken and communicate those decisions as appropriate b Bureau executives and IT management officials shall work cooperatively with the DASIS CIO to implement all coordinated actions necessary to address IT security incidents or significant IT security vulnerabilities 6 AUTHORITIES a Public Law 107347 “EGovernment Act of 2002 Title III Federal Information Security Management Act FISMA of 2002 ” December 17 2002 b Office of Management and Budget OMB Circular A130 “Management of Federal Information Resources ” c National Security Directive NSD 42 “National Policy for the Security of National Security Telecommunications and Information Systems ” July 5 1990 CONFIDENTIAL d Public Law 104106 “ClingerCohen Act of 1996” formally called Information Technology Management Reform Act ITMRA February 10 1996 e Privacy Act of 1974 as amended 5 USC 552a Public Law 93579 July 14 1987 f EO 13231 “Critical Infrastructure Protection in the Information Age ” October 16 2001 g Homeland Security Presidential Directive HSPD #7 Critical Infrastructure Identification Prioritization and Protection December 17 2003 h Department of State 12 Foreign Affairs Manual FAM 600 “Information Security Technology ” i Treasury Directive Publication 8501 “Treasury Information Technology Security Program ” j Treasury Order 10210 “Designation of Chief Information Officer for the Department of the Treasury ” k Treasury Order 10105 “Reporting Relationships and Supervision of Officials Offices and Bureaus and Delegation of Certain Authority in the Department of the Treasury ” 7 OFFICE OF PRIMARY INTEREST Office of the Deputy Assistant Secretary for Information Systems and Chief Information Officer Office of the Assistant Secretary for Management S Peter B McCarthy Assistant Secretary for Management and Chief Financial Officer https www treasury gov about roleoftreasury ordersdirectives Pages td8503 aspx 2 2
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