• FSO
  • Facility Clearance
  • Personnel Clearances
  • Safeguarding
  • Classified Visits & Meetings
  • Self-Inspections
  • Reporting
  • Security Education
  • Counterintelligence
  • International
  • Risk Management
  • Supply Chain Risk Management
  • Insider Threat

Safeguarding and Handling Classified Information

Information Security

Transmission and Transportation

Physical Security

Forms

Notices

Industrial Security Letters

  • ISL 2014-03 PDF icon (April 22, 2014):
    • #1 (5-301) GSA Storage Equipment
    • #2 (5-901) CSA Approval of IDS
    • #3 (5-902) Central Monitoring Stations
  • ISL 2014-01 PDF icon (April 14, 2014): GSA Carriers for the Overnight Delivery of SECRET & CONFIDENTIAL Classified Information
  • ISL 2013-06 PDF icon (October 4, 2013)
    • Derivative Classification
  • ISL 2012-04 PDF icon (August 7, 2012)
    • #1 (5-301) General Services Administration (GSA) Storage Equipment
    • #2 (5-303) SECRET Storage
    • #3 (5-306b) Open Shelf or Bin Storage
  • ISL 2011-03 PDF icon (05/09/11) Disclosure of Classified Information Between Parent and Subsidiaries Within a Corporate Family
  • ISL 2006-02 PDF icon (August 22, 2006)
    • #1 (1-200) Security for Wireless Devices, Services and Technologies
    • #15 (5-306a) Structural Integrity of Close Areas (Reissue of ISL 03L-1 #4)
    • #17 (5-309b) Changing Combinations (ISL 89L-2 Q&A)
    • #18 (5-408 and 5-409) General Services Administration Carriers for Overnight Delivery of SECRET and CONFIDENTIAL Classified Information within the Continental United States (revised from ISL 97L-1 #7)
    • #19 (5-902) Intrusion Detection Systems (IDS) Monitoring Over Data Networks (ISL05L-1 #11)
  • ISL 2006-01 PDF icon (April 14, 2006)
    • #8 (4-107 and 4-216a) Material Marked for Automatic Declassification
    • #9 (5-200) Information Management System
    • #10 (5-202) Receiving Classified Material
    • #11 (5-202 and 5-401) Package Receipts and Receipt and Dispatch Records
    • #12 (5-306) Securing Closed Areas
    • #13 (5-306) Self-Approval Authority
    • #14 (5-311) Container Repairs
    • #15 (5-412 and 10-402) Escorts and Transfers of Freight

Disposal and Destruction of Classified Information

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