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{{Adams
#REDIRECT [[IR 05000327/2020401]]
| number = ML20086M006
| issue date = 03/26/2020
| title = Information Request for the Cyber Security Inspection and Notification to Perform Inspection 05000327/2020401 and 05000328/2020401
| author name = Shaeffer S
| author affiliation = NRC/RGN-II/DRS/EB2
| addressee name = Barstow J
| addressee affiliation = Tennessee Valley Authority
| docket = 05000327, 05000328
| license number = DPR-077, DPR-079
| contact person =
| document report number = IR 2020401
| document type = Inspection Report, Letter
| page count = 11
}}
See also: [[see also::IR 05000327/2020401]]
 
=Text=
{{#Wiki_filter:March 26, 2020
Mr. Jim Barstow
Vice President
Tennessee Valley Authority
1101 Market Street, LP 3D-C
Chattanooga, TN 37402-2801
SUBJECT:      SEQUOYAH NUCLEAR PLANT - INFORMATION REQUEST FOR THE CYBER-SECURITY
              INSPECTION AND NOTIFICATION TO PERFORM INSPECTION 05000327/2020401 and
              05000328/2020401
Dear Mr. Barstow:
On July 20, 2020, the U.S. Nuclear Regulatory Commission (NRC) will begin an inspection in accordance
with Inspection Procedure (IP) 71130.10P Cyber-Security, Revision 0 at Sequoyah Nuclear Plant. The
inspection will be performed to evaluate and verify your ability to meet the Milestone 8 (i.e., full
implementation) requirements of the NRCs Cyber-Security Rule, Title 10, Code of Federal Regulations
(CFR), Part 73, Section 54, Protection of Digital Computer and Communication Systems and Networks.
The onsite portion of the inspection will take place during the weeks of July 20, 2020, and August 3,
2020.
Experience has shown that these types of inspections are extremely resource intensive, both for the
NRC inspectors and the licensee staff. To minimize the inspection impact on the site and to ensure a
productive inspection for both parties, we have enclosed a request for documents needed for the
inspection. These documents have been divided into four groups.
The first group specifies information necessary to assist the inspection team in choosing the focus areas
(i.e., sample set) to be inspected by the cyber-security IP. This information should be made available
via secure site (i.e., SharePoint, Certrec) no later than April 27, 2020. The inspection team will review
this information and, by May 25, 2020, will request the specific items that should be provided for
review.
The second group of additional requested documents will assist the inspection team in the evaluation of
the critical systems and critical digital assets (CSs/CDAs), defensive architecture, and the areas of the
licensees CSP selected for the cyber-security inspection. This information will be requested for review
via secure site (i.e., SharePoint, Certrec) before June 24, 2020.
The third group of requested documents consists of those items that the inspection team will review, or
need access to, during the inspection. Please have this information available by the first day of the
onsite inspection, July 20, 2020.
 
J. Barstow                                        2
The fourth group of information is necessary to aid the inspection team in tracking issues identified as a
result of the inspection. It is requested that this information be provided to the lead inspector as the
information is generated during the inspection. It is important that all of these documents are up to
date and complete in order to minimize the number of additional documents requested during the
preparation and/or the onsite portions of the inspection.
The lead inspector for this inspection is Melana Singletary. We understand that our regulatory contact
for this inspection is Mr. Zachary Kitts of your organization. If there are any questions about the
inspection or the material requested, please contact the lead inspector at 404-997-4752 or via e-mail at
Melana.Singletary@nrc.gov.
This letter does not contain new or amended information collection requirements subject to the
Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). Existing information collection requirements
were approved by the Office of Management and Budget, control number 3150-0011. The NRC may not
conduct or sponsor, and a person is not required to respond to, a request for information or an
information collection requirement unless the requesting document displays a currently valid Office of
Management and Budget control number.
In accordance with 10 CFR 2.390, Public Inspections, Exemptions, Requests for Withholding, of the
NRC's "Rules of Practice," a copy of this letter and its enclosure will not be available electronically for
public inspection in the NRCs Public Document Room or from the Publicly Available Records (PARS)
component of the NRC's Agencywide Documents Access and Management System (ADAMS). ADAMS is
accessible from the NRC Web site at http://www.nrc.gov/reading-rm/adams.html (the Public Electronic
Reading Room).
                                                    Sincerely,
                                                    /RA/
                                                    Scott M. Shaeffer, Chief
                                                    Engineering Branch 2
                                                    Division of Reactor Safety
Docket Nos. 50-327 and 50-328
License Nos. DPR-77 and DPR-79
Enclosure:
Security Inspection Document Request
cc: See Page 3
 
                          3
cc:
Jeff Sowa
Site Licensing Manager
Sequoyah Nuclear Plant
Tennessee Valley Authority
P.O. Box 2000, OPS 4C-SQN
Soddy Daisy, TN 37384-2000
Zachary Kitts
Licensing
Sequoyah Nuclear Plant
Tennessee Valley Authority
P.O. Box 2000, OPS 4C-SQN
Soddy Daisy, TN 37384-2000
 
                                                  4
SUBJECT:      SEQUOYAH NUCLEAR PLANT - INFORMATION REQUEST FOR THE CYBER-SECURITY
              INSPECTION AND NOTIFICATION TO PERFORM INSPECTION 05000327/2020401 and
              05000328/2020401
DISTRIBUTION:
M. Singletary, RII
L. Jones, RII
C. DeBisschop, NSIR
A. Konkal, NSIR
PUBLIC
    PUBLICLY AVAILABLE        NON-PUBLICLY AVAILABLE              SENSITIVE    NON-SENSITIVE
ADAMS:    Yes    ACCESSION NUMBER: _ML20086M006    SUNSI REVIEW COMPLETE  FORM 665 ATTACHED
  OFFICE              RII/DRS/EB2  RII:DRS/EB2
  SIGNATURE              MJS6          SMS
  NAME              MSINGLETAR    SSHAEFFER
  DATE                  3/26/2020    3/26/2020
  E-MAIL COPY?        YES    NO    YES    NO
 
            SEQUOYAH NUCLEAR PLANT CYBER SECURITY INSPECTION DOCUMENT REQUEST
Inspection Reports:                05000327/2020401 and 05000328/2020401
Inspection Dates:                  Weeks of July 20, 2020, and August 3, 2020
Inspection Procedure:              IP 71130.10P, Cyber-Security, Revision 0
Reference:                        ML17156A215, Guidance Document for Development of the Request
                                  for Information (RFI) and Notification Letter for Full-Implementation of
                                  the Cyber-Security Inspection, Revision 0
NRC Inspectors:                    Melana Singletary, Lead                Larry Jones
                            404-997-4752                                404-997-4837
                                  Melana.Singletary@nrc.gov              Larry.Jones@nrc.gov
NRC Contractors:                  Cynthia DeBisschop                    Al Konkal
                                  Cynthia.DeBisschop@nrc.gov            Alan.Konkal@nrc.gov
I.      Information Requested for In-Office Preparation
        The initial request for information (i.e., first RFI) concentrates on providing the inspection team
        with the general information necessary to select appropriate components and CSP elements to
        develop a site-specific inspection plan. The first RFI is used to identify the list of critical systems
        and critical digital assets (CSs/CDAs) plus operational and management (O&M) security control
        portions of the CSP to be chosen as the sample set required to be inspected by the cyber-
        security IP. The first RFIs requested information is specified below in Table RFI #1. The
        Table RFI #1 information is requested to be provided by, April 27, 2020 or sooner, to facilitate
        the selection of the specific items that will be reviewed during the onsite inspection weeks.
        The inspection team will examine the returned documentation from the first RFI and
        identify/select specific systems and equipment (e.g., CSs/CDAs) to provide a more focused
        follow-up request to develop the second RFI. The inspection team will submit the specific
        systems and equipment list to your staff by May 25, 2020, which will identify the specific
        systems and equipment that will be utilized to evaluate the CSs/CDAs, defensive architecture,
        and the areas of the licensees CSP selected for the cyber-security inspection. We request that
        the additional information provided from the second RFI be made available by May 25, 2020.
        All requests for information shall follow the guidance document ML17156A215 referenced
        above.
        The required Table RFI 1 information shall be provided via secure site (i.e., Sharepoint, Certrec)
        by April 27, 2020. The preferred file format for all lists is object character recognition (OCR)
        readable or a searchable Excel spreadsheet file. These files should be indexed and hyper-linked
                                                                                                      Enclosure
 
                OFFICIAL USE ONLY - SECURITY RELATED INFORMATION
                                            2
to facilitate ease of use. If you have any questions regarding this information, please call the
inspection team leader as soon as possible.
 
                                              Table RFI #1
Section 3,
Paragraph Number/Title:                                                                  Items
    1  List All Identified Critical Systems and Critical Digital Assets                    All
        List CDA Facility and Site Ethernet - Transmission Control Protocol/Internet        All
    2 Protocol (TCP/IP) based Local Area Networks (LANs) and identify those LANs
        that have non-CDAs on them
        List CDA facility and site non-ethernet TCP/IP based LANs including those          All
    3
        industrial networks and identify LANs that have non-CDAs on them
        Network Topology Diagrams (be sure to include all NIDS and SIEMs for EP            All
    4
        networks and Security level 3 and 4 networks)
        List all network security boundary devices for EP networks and all network          All
    8
        security boundary devices for levels 3 and 4
    9  List CDA wireless Industrial networks                                              All
        Network intrusion detection system documentation for Critical Systems that        11.a.1)
  11
        have CDAs associated with them                                                    11.a.2)
        Security Information and Event Management (SIEM) documentation for                12.a.1)
  12
        Critical systems that have CDAs associated with them                              12.a.2)
  14    List EP and Security onsite and offsite digital communication systems              All
  25    Cyber-Security Assessment and Cyber-Security Incident Response Teams                All
        Copy of Current Cyber Security Plan and copy of any 50.54(p) analysis to            All
  28
        support changes to the plan
In addition to the above information please provide the following:
    (1) Electronic copy of the UFSAR and technical specifications.
    (2) Name(s) and phone numbers for the regulatory and technical contacts.
    (3) Current management and engineering organizational charts.
Based on this information, the inspection team will identify and select specific systems and
equipment (e.g., CSs/CDAs) from the information requested by Table RFI #1 and submit a list of
specific systems and equipment to your staff by May 25, 2020 for the second RFI (i.e., RFI #2).
                                              2
 
II. Additional Information Requested to be Available Prior to Inspection.
    As stated in Section I above, the inspection team will examine the returned documentation
    requested from Table RFI #1 and submit the list of specific systems and equipment to your staff
    by May 25, 2020 for the second RFI (i.e., RFI #2). The second RFI will request additional
    information required to evaluate the CSs/CDAs, defensive architecture, and the areas of the
    licensees CSP selected for the cyber-security inspection. The additional information requested
    for the specific systems and equipment is identified in Table RFI #2. All requested information
    shall follow the guidance document ML17156A215 referenced above.
    The Table RFI 2 information shall be provided on secure site (i.e., Sharepoint or Certrec) by May
    25, 2020. The preferred file format for all lists is object character recognition (OCR) readable or a
    searchable Excel spreadsheet file. These files should be indexed and hyper-linked to facilitate
    ease of use. If you have any questions regarding this information, please call the inspection
    team leader as soon as possible.
                                                Table RFI #2
      Section 3,
      Paragraph Number/Title:                                                                  Items
            Plant Computer System Block Diagram (if Plant Computer System is selected            All
        5
            for inspection)
            Plant Security System Block Diagram (if Security Computer System is                  All
        6
            selected for inspection)
            Systems that are distributed Block Diagrams (for systems selected for                All
        7
            inspection)
            Host-Based Intrusion Detection System Documentation (for CDAs for                  10.a.1)
      10
            systems selected for inspection)                                                    10.a.2)
            List all Maintenance and Test Equipment (M&TE) used on CDAs for systems              All
      13
            selected for inspection
      15 Configuration Management                                                                All
                                                                                                16.a.
      16 Supply Chain Management
                                                                                                16.b
      17 Portable Media and Mobile Device Control                                                All
      18 Software Management                                                                    All
      20 Vendor Access and Monitoring                                                            All
      21 Work Control                                                                            All
                                                  3
 
OFFICIAL USE ONLY - SECURITY RELATED INFORMATION
        22 Device Access and Key Control                                                          All
        23 Password/Authenticator Policy                                                          All
        24 User Account/Credential Policy                                                          All
        26 Corrective Actions since last NRC inspection                                            All
        27 Cyber-Security Assessments for Selected Systems                                        All
III. Information Requested to be Available on First Day of Inspection
    For the specific systems and equipment identified in Section II above, provide the following RFI
    (i.e., Table 1ST Week Onsite) by July 20, 2020, the first day of the inspection. All requested
    information shall follow the guidance document ML17156A215 referenced above.
    The preferred file format for all lists is object character recognition (OCR) readable or a
    searchable Excel spreadsheet file. These files should be indexed and hyper-linked to facilitate
    ease of use. If you have any questions regarding this information, please call the inspection
    team leader as soon as possible.
                                              Table 1ST Week Onsite
      Section 3,
      Paragraph Number/Title:                                                                  Items
                                                                                                10.a.3)
              Host-Based Intrusion Detection System Documentation (for CDAs for
        10                                                                                      thru
              systems selected for inspection)
                                                                                              10.a.12)
                                                                                                11.a.3)
              Network Intrusion Detection System Documentation for Critical Systems
        11                                                                                      thru
              that have CDAs associated with them
                                                                                              11.a.15)
                                                                                                12.a.3)
              Security Information and Event Management (SIEM) Documentation for
        12                                                                                      thru
              Critical Systems that have CDAs associated with them
                                                                                              12.a.14)
        16 Supply Chain Management                                                              16.c
        19 Cyber-Security Event Notifications                                                    All
                                                    4
 
        In addition to the above information please provide the following:
            (1) Copies of the following documents do not need to be solely available to the inspection
                team as long as the inspectors have easy and unrestrained access to them.
                a. Updated Final Safety Analysis Report, if not previously provided;
                b. Original FSAR Volumes;
                c. Original SER and Supplements;
                d. FSAR Question and Answers;
                e. Quality Assurance Plan;
                f.  Technical Specifications, if not previously provided; and
                g. Vendor Manuals, for applicable systems selected
            (2) Assessment and Corrective Actions:
                a.      The most recent Cyber-Security Quality Assurance (QA) audit and/or
                        self-assessment; and
                b.      The last 73.55(m) assessment performed; and
                c.      Corrective action documents (e.g., condition reports, including status of
                        corrective actions) generate as a result of the most recent Cyber-Security
                        Quality Assurance (QA) audit and/or self-assessment.
IV.    Information Requested To Be Provided Throughout the Inspection
            (1) Copies of any corrective action documents generated as a result of the inspection
                teams questions or queries during the inspection.
            (2) Copies of the list of questions submitted by the inspection team members and the
                status/resolution of the information requested (provided daily during the inspection to
                each inspection team member).
If you have any questions regarding the information requested, please contact the inspection team.
                                                      5
}}

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