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CHIPS Articles: Defend the DoDIN: DISA Issues Telework Do’s and Don’ts

Defend the DoDIN: DISA Issues Telework Do’s and Don’ts
Do your part to protect the Department of Defense Information Network
By Defense Information Systems Agency - January-March 2020
These recommendations from the Defense Information Systems Agency pertain to unclassified systems only.

Network Utilization


  • Log off of your VPN connection at the end of the work day.
  • Verify your local internet connection before calling your IT service desk, if you’re having connectivity issues.
  • Use your organization-approved file sharing service/capability to share files with others
  • Use your organization’s approved communication and collaboration methods for official business.
  • Use DoD SAFE to share large files/videos (i.e., over 10 MB) with DoD and non-DoD recipients.
  • Limit all non mission-essential activity on government-furnished equipment (GFE) (e.g., social networking, audio and video streaming, personal shopping) .
  • Sign government emails.
  • Study and follow the Acceptable Use Policy for government systems
  • Request assistance from knowledgeable co-workers for tips before calling your IT help desk.
  • Consider providing alternate phone numbers – other than your office phone number – on email correspondence, out of office replies, and/or voicemail for contact while teleworking.
  • Work offline when possible.


  • Use your GFE for non mission-essential activity (e.g., social networking, audio and video streaming, personal shopping) Use your GFE for non mission-essential activity, such as social networking, audio and video streaming, personal shopping.
  • Use internet-based, unofficial audio and video on-demand and streaming services or websites.
  • Email large files or videos.
  • Leave video collaboration tools connected when not in use.
  • Auto forward your office phone to an off-site number unless your organization specifies it.
  • Hesitate to call your IT help desk if network limitations impact your mission.
  • Dial into phone or video conferences unless you were invited.
  • Leave applications running that you’re not actively using, e.g., email, video, voice, etc. .
  • Cybersecurity


    • Reboot your machine prior to establishing a VPN connection.
    • Ensure your government-furnished equipment (GFE) is patched with the latest updates.
    • Use GFE when possible.
    • Ensure your personal devices are updated with the latest operating system and security patches.
    • Follow your organization’s GFE use and handling instructions.
    • Report loss or theft of GFE to your IT service desk immediately.
    • Close all applications you’re not actively using.
    • Configure your home Wi-Fi according to best practices; change the password and enable encryption.
    • Study and know the difference between For Official Use Only (FOUO), Controlled Unclassified Information (CUI), and Unclassified information.
    • Familiarize yourself with adversary attack methodology (e.g., coronavirus maps, coronavirus spear phishing attacks) .
    • Report suspicious activity or behavior to your chain of command.
    • Follow your organization’s specific cybersecurity guidance.


    • Leave your computer unlocked when unattended.
    • Use untrusted internet or Wi-Fi connections.
    • Auto-forward or forward FOUO, CUI, publicly identifiable information (PII), and protected health information (PHI) from official email accounts to personal email accounts.
    • Open suspicious emails.
    • Use personal email accounts for official business.
    • Use personal cloud/file sharing accounts for official business.
    • Use any non-DoD instant messaging applications to share DoD information.
    • Post, store and or transmit FOUO, CUI, PII and PHI on non-GFE.
    • Send unencrypted PII or PHI.
    • Work from public locations where others can “shoulder surf.”
    • Click security alert/warning “pop-ups” on your GFE.

    For additional information please visit: or

    Download the DISA do’s and don’t’s infographic here.

Defend the DoDIN: Do your part to protect the Department of Defense Information Network when teleworking. DISA infographic
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Related DON CIO Policy

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