Military File-Sharing Site Brought Back Online Following Security Concerns

Military File-Sharing Site Brought Back Online Following Security Concerns

The Defense Department website used to transfer large files containing sensitive unclassified information was brought back online earlier this month after being taken down due to security concerns last year.

The Defense Department website used to transfer large files containing sensitive unclassified information was brought back online earlier this month after being taken down due to security concerns last year.

The Army disabled the Aviation and Missile Research, Development and Engineering Center Safe Access File Exchange, or AMRDEC SAFE, on Nov. 1 as a preventative measure after unnamed "government-internal agencies" discovered potential security risks. It was brought back online Feb. 13, an official with the center said, reported by Stars and Stripes.

“The potential vulnerabilities that were identified were addressed almost immediately,” said Karena Crum, a spokeswoman for the center, now known as the U.S. Army Combat Capabilities Development Command Aviation & Missile Center. “The site remained down, not due to the potential vulnerabilities, but due to issues with sustainment and maintenance capabilities.”

Despite the command’s name change, the site was brought back online at its previous location after receiving approval from multiple DOD agencies, Crum said. In the coming months, however, the center will not be the owner or maintainer of the site, she said.

“Senior leadership has determined that an agency with more capabilities than exist at CCDC Aviation & Missile Center will take over sustainment and maintenance of the site later this year,” Crum said. She could not immediately disclose which agency will assume ownership of the site.

The missile research center, based at Redstone Arsenal in Huntsville, Ala., had not developed the site to be used by the defense community at-large, she said, however, officials have said it saw widespread use because of its capacity and security level.

Via AMRDEC SAFE, users could send messages containing up to 25 documents or 2 gigabytes to military, government or civilian email addresses. That’s significantly more than encrypted email, which is also approved for sending personal and medical information but is limited to 10 megabytes and can’t be sent to all email recipients.

Originally developed to allow the center to exchange large data files with its civilian industry partners, AMRDEC SAFE was unofficially adopted by many in the military and government because it was one of the only ways to transfer large files containing unclassified but sensitive official information, such as personnel and medical records.

In the wake of the AMRDEC SAFE closure last year, the Navy and Marine Corps issued official guidance saying optical discs such as CDs and DVDs were the only remaining way to securely send files containing private information like Social Security numbers or medical data that could not be sent via encrypted email. Both services in December were exploring the possible use of Defense Information Systems Agency solutions to bridge the capability gap created by the closure of AMRDEC SAFE.

Air Force and Army officials also said they lacked an online alternative to the site, and officials at the main military hospital in Germany said they were sending large files via fax or on optical discs via registered mail if they were too big to be sent via encrypted email.

Some other military file-sharing sites allow for distributing sensitive or protected unclassified materials that do not contain personally identifiable or private health information, such as the Army Research Laboratory’s SAFE site (, which allows 2-gigabyte files.

About the Author

Sydny Shepard is the Executive Editor of Campus Security & Life Safety.


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