VILink LOA (Executed

PETITION submitted by DHS

Letter of Assurance

2019-07-11

This document pretains to SCL-LIC-20180417-00008 for License on a Submarine Cable Landing filing.

IBFS_SCLLIC2018041700008_1786861

                                 500 CummingsCenter
                                 Beverly, MAO1915
                                 1.978.619.1300
      international              www.atni.com


June 18, 2019

Assistant Secretary for Border, Immigration, and Trade
Office of Strategy, Policy, and Plans
Mail Stop 0445
U.S. Department of Homeland Security
2707 Martin Luther King Jr. Ave SE
Washington, D.C. 20528—0445
IP—FCC@hq.dhs.gov

Dear Sir:

This Letter of Assurances ("LOA") outlines the commitments made by ATN Undersea Cable
Corporation ("ATN") to the U.S. Department of Homeland Security ("DHS") to address national
security, law enforcement, and public safety concerns raised with regard to an application filed
by ATN with the Federal Communications Commission ("FCC") requesting a license to
construct, land, and operate a fiber—optic submarine cable system linking the island of St.
Thomas with the island of St. Croix, the VILink Submarine Cable System ("VILink").‘

ATN has agreed to provide this LOA to DHS, and ATN understands that DHS will petition the
FCC to condition the requested authorization on compliance with this LOA.

For purposes of this LOA:

A.      "Domestic Communications" means: (a) Wire Communications or Electronic
        Communications (whether stored or not) between one U.S. location and another U.S.
        location; or (b) the U.S. portion of a Wire Communication or Electronic Communication
        (whether stored or not) that originates or terminates in the United States.

B.      "Domestic Communications Infrastructure" or "DCI" means: (a) any portion of VILink
        that physically is located in the United States, up to the submarine line terminating
        equipment, including (if any) transmission, switching, bridging, and routing equipment,
        and any associated software (with the exception of commercial—off—the—shelf ("COTS")
        software used for common business functions, e.g., Microsoft Office) used by or on
        behalf of ATN to provide, process, direct, control, supervise, or manage Domestic
        Communications; and (b) Network Operations Center ("NOC") facilities, as defined in
        Section D below.

C.      "Electronic Communication" has the meaning given it in 18 U.S.C. § 2510(12).


‘ Application of ATN Undersea Cable Corporation for a License to Construct, Land, and Operate the VILink Cable
System, an Undersea Cable System Linking the Islands of St. Thomas and St. Croix in the United States Virgin
Islands, United States, SCL—LIC—20180417—00008 (Apr. 12, 2018).


      "Network Operations Center" or "NOC" means the locations and facilities designated as
      such by ATN for purposes of performing network management, monitoring,
      maintenance, or other operational functions for VILink.

      "Principal Equipment" means the primary electronic components of VILink, which
      includes the Domestic Communications Infrastructure and Wet Infrastructure. Principal
      Equipment includes, but is not limited to: network element servers; routers; switches;
      repeaters; submarine line terminal equipment ("SLTE"); system supervisory equipment
      ("SSE"); signal modulators and amplifiers; power feed equipment ("PFE"); tilt and shape
      equalizer units ("TEQ/SEQ"); optical distribution frames ("ODF"); branching units
      ("BU"); synchronous optical network ("SONET"); synchronous digital hierarchy
      ("SDH"); wave division multiplexing ("WDM"); dense wave division multiplexing
      ("DWDM"); coarse wave division multiplexing ("CWDM"); or optical carrier network
      ("OCx") equipment, as applicable; and any non—embedded software used for monitoring,
      administration, or provisioning VILink (with the exception of COTS software used for
      common business functions, e.g., Microsoft Office).

      "Screened Personnel" has the meaning set forth in Paragraph 9 below.

      "Wet Infrastructure" means hardware components installed and residing on the undersea
      portion of VILink, including fiber optic cables, repeaters, branching units, and routers (if
      any). Wet Infrastructure includes all the components used to define the topology of the
      undersea portion of VILink.

H.    "Wire Communication" has the meaning given it in 18 U.S.C. § 2510(1).


ATN undertakes to comply with the following commitments:

1. Security Point of Contact

      ATN agrees to maintain a Security Point of Contact ("POC") for purposes of this LOA.
      The POC will be a U.S. citizen residing in the United States, including its territories.
      ATN agrees to nominate a proposed POC within thirty (30) business days of the
       execution of this LOA. ATN understands that the POC nomination will be subject to
      DHS review and non—objection and may be subject to a background check at the sole
      discretion of DHS.

      The POC will be available twenty—four (24) hours per day, seven (7) days per week,
      regarding any national security, law enforcement, or public safety concerns that DHS
      may raise with respect to VILink. The POC will be responsible for receiving and
      promptly effectuating any lawful inquiries or requests for information and for otherwise
       ensuring compliance with obligations set forth in this LOA.


      ATN agrees to notify DHS of any proposed change to the POC at least ten (10) business
      days in advance of such proposed change. ATN understands that any proposed POC
      nomination will be subject to DHS review and non—objection and may be subject to a
      background check at the sole discretion of DHS.

2. Cable System Information

      At least sixty (60) business days prior to commencement of construction of VILink, and,
      thereafter, within fifteen (15) business days upon request by DHS, ATN agrees to make
      available the following VILink Information.

      (a)    Network management information, including, but not limited to: (1) a network
             map that includes physical and logical topology; (2) network and
             telecommunications architecture descriptions and associated descriptions of
             interconnection points and controlled gateways to the DCI and Wet Infrastructure;
             (3) network operational plans, processes, and procedures; (4) locations and
             functions of any NOCs, data centers, and main distribution facilities; (5) ATN
             organizational chart, to include specific reference to the names and positions of
             senior ATN officials responsible for operations of VILink; and (6) descriptions of
             interfaces and connections to VILink for service offload, disaster recovery, or
             administrative functions;

      (b)    A complete and current list of all contracts held by ATN or its designee(s) for the
             maintenance and security of VILink; and

      (c)    A restoration plan for the Principal Equipment and the Wet Infrastructure for
             VILink.

3. Principal Equipment List

      At least sixty (60) business days prior to the commencement of construction of VILink,
      ATN agrees to provide DHS with a list to include:

      (a)    A complete and current list of all Principal Equipment, including: (1) a
             description of each item and the functions supported, (2) each item‘s
             manufacturer, and (3) the model and/or version number of any hardware or
             software; and

      (b)    Any vendors, contractors, or subcontractors involved in providing, installing,
             operating, managing, or maintaining the Principal Equipment.

      ATN understands that DHS will approve or disapprove the Principal Equipment List
      within thirty (30) business days of receipt. Failure by DHS to respond within the required
      timeframe will be deemed to constitute a non—objection to use of the equipment included
      on the Principal Equipment List and the services of the vendors, contractors, or
      subcontractors identified on the Principal Equipment List.


4. Modifications to Existing Principal Equipment

      ATN agrees to provide DHS at least fifteen (15) business days‘ advance notice prior to
      performing any maintenance, repair, or replacement that would result in any modification
      to existing Principal Equipment for VILink. ATN need not comply with the advance
      notice requirement for any maintenance, repair, or replacement that is undertaken in
      response to an unforeseen or uncontrollable event and that is necessary to ensure the
      continued operability of VILink; however, in such circumstances, ATN agrees to provide
      advance notice to DHS of the modification, if practicable, and, if impracticable, ATN
      agrees to provide notice within ten (10) business days after the modification of the
      Principal Equipment. ATN may continue to utilize any Principal Equipment repaired or
      replaced pursuant to the process outlined in this Paragraph, provided that DHS does not
      object within thirty (30) business days of notification.

5. Change in Vendors, Contractors, or Subcontractors for Principal Equipment

      ATN agrees to provide at least thirty (30) business days‘ advance notice prior to making
      any modifications to the list of vendors, contractors, or subcontractors involved in
      providing, installing, operating, managing, or maintaining the Principal Equipment. In
      addition, ATN agrees to provide at least thirty (30) business days‘ advance notice prior to
      changing the service offerings or support from a previously—listed vendor, contractor,
      subcontractor (i.e., where a previously—listed provider will be offering support in a
      previously unidentified way). ATN understands that DHS will approve or disapprove any
      modification or change proposed pursuant to this Paragraph within thirty (30) business
      days of receipt. Failure by DHS to respond within the required timeframe will be deemed
      to constitute a non—objection to proposed modification or change.

6. Equipment Testing

      ATN agrees to provide at least thirty (30) business days‘ advance notice prior to initiating
      the testing of any new Principal Equipment connected to the DCI or the Wet
      Infrastructure by any vendor not already on the approved Principal Equipment List. . This
      includes any testing of equipment in laboratory or beta network environments. ATN
      understands that DHS will approve or disapprove the testing proposed pursuant to this
      Paragraph within thirty (30) business days of receipt. Failure by DHS to respond within
      the required timeframe will be deemed to constitute a non—objection to proposed testing.

7. Measures to Prevent Improper Use and Unauthorized Access

      ATN agrees to take all practicable measures to prevent unauthorized access to VILink
      and to prevent any unlawful use or disclosure of information carried on the same. For
      purposes of this Paragraph, "all practicable measures," at a minimum include compliance
      with all U.S. laws and regulations governing cybersecurity, information security, and
      privacy. Such measures also will include the implementation of a cybersecurity plan that
      is consistent with the National Institute of Standards and Technology (NIST)


      Cybersecurity Framework, to include items such as configuration management, security
      audits, and system interconnection documentation, as well as contractual safeguards and
      screening procedures for personnel with logical access to the DCI.

      ATN agrees to take all practicable measures to protect and promote resiliency of VILink,
      including measures to ensure that security patches for systems and applications are up to
      date.

      ATN agrees to maintain or exceed security standards and best practices utilized within
      the U.S. telecommunications industry for maintenance of password systems and
      firewalls, non—destructive access logs, and periodic internal network security and switch
      audits. ATN agrees to submit a policy regarding logical security measures adopted in
      accordance with this Paragraph to DHS at least sixty (60) business days prior to the
      commencement of construction of VILink. ATN agrees to meet and confer with DHS and
      to resolve to the satisfaction of DHS any concerns DHS may raise about such policy.

8. Physical Security Measures

      ATN agrees to take all practicable measures to physically secure VILink, including the
      DCI. ATN will screen appropriate personnel in accordance with Paragraph 9 below, and
      ATN will require that all visitors who physically access the DCI are escorted at all times
      by Screened Personnel, as defined herein. ATN agrees to submit a policy regarding
      physical security measures to DHS at least sixty (60) business days prior to the
      commencement of construction of VILink. ATN agrees to meet and confer with DHS and
      to resolve to the satisfaction of DHS any concerns DHS may raise about such policy.

9. Screening of Personnel

      ATN agrees to implement, either directly or through a vendor or service provider, a
      process to screen any existing or newly hired ATN personnel (or any personnel
      performing under an agreement with ATN) in, at minimum, the following cireumstances:

          (a) Any person whose position could involve logical access to the DCI; and

          (b) All personnel charged with securing the DCI.

      ATN‘s personnel screening process will be reflected in a written policy and will include
      background investigations, public criminal records checks, or other analogous means to
      ascertain a person‘s trustworthiness. Upon satisfactory completion of the requirements set
      forth in the screening policy, such persons will be considered "Screened Personnel."

      ATN agrees to submit the screening policy to DHS at least sixty (60) business days prior
      to commencement of construction of VILink. ATN agrees to meet and confer with DHS
      and to resolve to the satisfaction of DHS any concerns DHS may raise about such policy.
      In addition, ATN agrees to cooperate with any request by DHS to provide additional
      identifying information regarding Screened Personnel.


10. Reporting Incidents and Breaches

       ATN agrees to report to DHS promptly if it learns of information that reasonably
       indicates:

       (a)    Unauthorized third—party access to, or disruption or corruption of, VILink or any
              information being carried on VILink;

       (b)    Any other unauthorized access to or disclosure of Domestic Communications in
              violation of federal, state, or local law; or

       (c)    Any material breach of the commitments made in this LOA.

       Any reports required by this provision will be made in writing to DHS within ten (10)
       business days of discovery of the relevant conduct. ATN further agrees to remediate any
       incidents or breaches reported pursuant to this provision to the satisfaction of DHS.

11. Instruction of Obligations

       ATN agrees to instruct appropriate officers, employees, contractors, and agents as to
       ATN‘s obligations under this LOA, including the individuals‘ duty to report any
       violation, and issue periodic reminders of such obligations. ATN agrees to issue initial
       instructions in writing at least sixty (60) business days prior to commencement of
       construction of VILink, and updated instructions annually thereafter. ATN agrees to
       submit a copy of the initial instructions to DHS at the same time.

12. Change in Services or Cable Operations

       ATN agrees to notify DHS in writing at least thirty (30) business days prior to
       implementing any changes to the communications services or operations of VILink. ATN
       agrees to provide a detailed description of the proposed change including the terms,
       conditions, individuals and/or entities involved in making the change to the
       communications services or operations.

13. Annual Report

       On the anniversary of the date of this LOA, ATN agrees to submit to DHS a report
       assessing ATN‘s compliance with the terms of this LOA for the preceding year. The
       report will include:

       (a)    The names and contact information of the then—current POCs;

       (b)    Cable System Information, as described in Paragraph 2 above, noting any changes
              during the reporting period,;


       (c)    An updated Principal Equipment List containing all information described in
              Paragraph 3 above, identifying any material modifications during the reporting
              period;

       (d)    A copy of the then—current policies adopted in accordance with this LOA
              including policies for logical security (Paragraph 7), physical security (Paragraph
              8), personnel screening (Paragraph 9), incident reporting (Paragraph 10), and
              employee training (Paragraph 11), and a summary of any changes during the
              reporting period and the reasons therefore;

       (e)    A summary of any events that occurred during the reporting period that will or
              reasonably could impact the effectiveness of or compliance with this LOA; and

       (£)    A summary of any known acts of noncompliance with the terms of this LOA that
              occurred during the reporting period, whether inadvertent or intentional, with a
              discussion of what steps have been or will be taken to prevent such acts from
              occurring in the future.

14. DHS Consultation and Visitation

       ATN agrees to meet and confer with DHS and to resolve to the satisfaction of DHS any
       concerns DHS may raise about materials submitted pursuant to this LOA.

       ATN agrees to negotiate in good faith to resolve to the satisfaction of DHS any national
       security, law enforcement, or public safety concerns DHS may raise with respect to any
       matters set forth in this LOA.

       ATN agrees that, upon reasonable advance notice, DHS may visit any part of the DCI to
       conduct on—site reviews concerning the implementation of the terms of this LOA and
       ATN‘s compliance with its terms. Subject to applicable law, during such visits, ATN will
       cooperate with DHS requests to make available information, facilities, and personnel to
       verify compliance with the terms of this LOA.




This LOA shall inure to the benefit of, and shall be binding upon, ATN and its successors,
assigns, subsidiaries, and affiliates.

ATN agrees that, in the event the commitments set forth in this LOA are breached, in addition to
any other remedy available at law or equity, DHS may request that the FCC modify, condition,
revoke, cancel, terminate, or render null and void any relevant license, permit, or other
authorization granted by the FCC to ATN or any successors—in—interest.

If, after this LOA takes effect, DHS or ATN believes that changed circumstances warrant a
modification or termination of this LOA (including if DHS determines that the terms of this


LOA are inadequate or no longer necessary to address national security, law enforcement, or
public safety concerns), ATN agrees to negotiate in good faith with DHS to modify this LOA.
Rejection of a proposed modification alone shall not constitute evidence of a failure to negotiate
in good faith.

Nothing in this LOA is intended to excuse ATN from its obligations to comply with any and all
applicable legal requirements and obligations, including any and all applicable statues,
regulations, requirements, or orders.

ATN understands that, promptly upon execution of this LOA by an authorized representative or
attorney for ATN, DHS will notify the FCC that it has no objection to the FCC‘s grant of the
pending application.


For and on behalf of ATN Undersea Cable Corporation




xy
Maé/Mabe)@ecretary
ATN Undersea Cable Corporation
500 Cummings Center, Suite 2450
Beverly, MA 01915
978—619—1323
mmabey@atni.com



Document Created: 2019-07-09 13:43:07
Document Modified: 2019-07-09 13:43:07

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