Removeable Secondary Storage Media Device Policy
This MARADMIN establishes policy for the use of removable secondary storage media devices (such as USB drives and flash media) on Marine Corps computer systems. It addresses security risks by requiring USB ports to be disabled on classified systems unless approved by the local Designated Approving Authority (DAA), prohibiting personally owned devices on government systems without approval, and mandating proper labeling and control procedures for all removable storage media.
Issued: September 25, 2003
1. NEW TECHNOLOGIES IN SECONDARY STORAGE MEDIA DEVICES HAVE INTRODUCED THE NEED TO CLARIFY CURRENT INFORMATION ASSURANCE POLICY, AS THESE DEVICES MAY POSE ADDITIONAL RISK TO MARINE CORPS SYSTEMS. OPERATIONAL BENEFITS OF HIGHLY PORTABLE, REUSABLE AND REMOVEABLE SECONDARY STORAGE MEDIA DEVICES ARE ACKNOWLEDGED. THIS POLICY REFERS TO ANY DEVICE THAT CAN BE CONNECTED TO A WORKSTATION OR OTHER COMPUTING DEVICE VIA CABLE, UNIVERSAL SERIAL BUS (USB), PERSONAL COMPUTER MEMORY CARD INTERNATIONAL ASSOCIATION 2. DUE TO THE INHERENT RISK THAT THEY POSE TO THE LOCAL DESIGNATED APPROVING AUTHORITY, USB PORTS SHALL BE DISABLED ON COMPUTING DEVICES THAT PROCESS CLASSIFIED MATERIAL TO THE MAXIMUM EXTENT POSSIBLE. LOCAL DAA APPROVAL SHALL BE OBTAINED, IN WRITING, WHERE USB USE IS REQUIRED FOR SPECIFIC CLASSIFIED COMPUTING DEVICES. 3. USE OR CONNECTION OF PERSONNALY OWNED REMOVEALBE SECONDARY STORAGE MEDIA WITH ANY UNCLASSIFIED GOVERNMENT COMPUTING DEVICE WITHOUT PRIOR WRITTEN APPROVAL OF THE LOCAL DAA IS PROHIBITED. 4. ALL REMOVABLE SECONDARY STORAGE MEDIA SHALL BE LABELED APPROPRIATELY INDICATING THE HIGHEST CLASSIFICATION OR SENSITIVITY OF THE DATA CONTAINED ON THE DEVICE, BY MEANS SUCH AS STANDARD FORM (SF) 710 (1-87) OR SF 707 (1-97). IF THE DEVICE IS TOO SMALL, THEN A CARD WILL BE ATTACHED TO THE MEDIA WITH THE APPROPRIATE LABEL. ADDITIONALLY THE DEVICE WILL BE MARKED WITH A PERMANENT MARKER INDICATING THE CLASSIFICATION LEVEL. 5. GOVERNMENT-PROCURED REMOVABLE SECONDARY STORAGE MEDIA DEVICES OF ANY CAPACITY ARE APPROVED FOR USE IN NIPERNET OR OTHER UNCLASSIFIED COMPUTER SYSTEMS. ORGANIZATIONS ISSUING REMOVABLE SECONDARY STORAGE MEDIA DEVICES FOR USE ON NIPRNET SHALL CONTROL THEM IN A MANNER CONSISTENT WITH ACCOUNTABILITY OF OTHER HIGHLY PILFERABLE ITEMS WITH RESPECT TO PERSONNEL TRANSFER OR REISSUE, CREATE LOCAL POLICY THAT ADDRESSES BOTH THE VALUE OF DEVICE AND STORED INFORMATION. 6. FLASH MEDIA SPECIFIC GUIDANCE. WHILE THE TRADITIONAL FLOPPY DISK AND CD-ROM CONTAIN PHYSICAL OR INHERENT WRITE PROTECTIVE PROPERTIES, FLASH DIGITAL MEDIADEVICES ROUTINELY DO NOT. (A) THERE IS NO FORMALLY EVALUATED OR APPROVED WRITE PROTECTION OR MEMORY CLEARING METHOD. THE MARINE CORPS INTENDS TO MITIGATE DATA-SPILLAGE THROUGH THE USE OF PHYSICAL VICE SOFTWARE WRITE-PROTECTION METHODS. MEMORY CLEARING OF FLASH MEMORY MAY BE ACCOMPLISHED THROUGH APPROPRIATE OVERWRITE UTILITIES (AS AN EXTENSION OF OPERATING SYSTEM FILES SYSTEM). AN EXAMPLE WOULD BE NT TOOLBOX. (B) INTRODUCATION OF REMOVABLE FLASH DIGITAL MEDIA DEVICES TO SIPRNET OR ANY CLASSIFIED COMPUTING DEVICES OR STORED INFORMATION WITHOUT PHYSICAL WRITE PROTECTION WILL MAKE THE STORAGE DEVICE PERMANENTLY CLASSIFIED AT THE SAME LEVEL AS THE SYSTEM. (C) REMOVEABLE FLASH DIGITAL MEDIA DEVICES INTRODUCED TO CLASSIFIED COMPUTING DEVICES CAN NO LONGER BE INTRODUCED INTO COMPUTING DEVICES OF LOWER CLASSIFICATION. (D) ALL PROCURED FLASH DIGITAL MEDIA DEVICES SHALL HAVE THE CAPABILITY FOR FILE ACCESS SECURITY AND DEVICE AUTHENTICATION. FILE SECURITY ON SUCH DEVICES MUST BE ABLE TO PROVIDE SAME LEVEL OF DISCRETIONARY ACCESS CONTROL (DAC) THAT IS FOUND ON THE COMPUTER TO WHICH IT IS CONNECTING, I.E., NTFS TO NTFS. AUTHENTICATION SHALL BE ACTIVE AND USED AT ALL TIMES. (E) AT A MINIMUM, PROCURE REMOVABLE SECONDARY STORAGE DEVICE(S) THAT PROVIDE ONBOARD PROTECTED FILE ACCESS, PHYSICAL WRITE PROTECTION AND/OR IMBEDDED BIOMETRIC DEVICE ACCESS CONTROL. UNIT COMMANDERS WILL ESTABLISH COMMON STORAGE DEVICE PROCURMENT STANDARDS AND A ROBUST MEDIA ASSET CONTROL PROGRAM. 7. ACTION. THIS POLICY IS EFFECTIVE IMMEDIATELY. COMMANDERS WILL ENSURE THE IMPLEMNTATION OF THIS POLICY AND THE INCLUSION OF ITS CONTENT IN LOCAL INFORMATION ASSURANCE AND SECURITY TRAINING. 8. POCS FOR POLICY QUESTIONS ARE RAY A. LETTEER AND MSGT KEVIN DULANY, DSN 233-3490, COMM 703-693-3490. TECHNICAL INQUIRIES SHOULD BE DIRECTED TO THE HELP DESK LOCATED AT THE MCNOSC COMMAND CENTER AT DSN 278-5300, COMM 703-784-5300, OR UNCLAS E-MAIL HELPDESK@NOC.USMC.MIL.