COMDTINST 5375.1B
information, or anything that compromises the confidentiality, integrity, availability,
authentication, or non-repudiation of the CG enterprise IT infrastructure.
8. PROHIBITED USES.
a. The following use of government office equipment is prohibited at all times including non-
work time (exceptions are noted):
(1) Use of government office equipment to view, download, store, display, transmit, or copy any
materials that are sexually explicit, or are predominantly sexually oriented. Sexually explicit
or predominantly sexually oriented includes but is not limited to any material that depicts, in
actual or simulated form, or explicitly describes, sexual content.
(2) Use of personal e-mail sites (e.g. Hotmail, AOL, MSN, Yahoo). These sites circumvent CG
firewall / virus security measures.
Note: Personnel may utilize their "uscg.mil" e-mail account to send/receive a limited amount
of personal e-mail while using a CG workstation. If using a "uscg.mil" account for personal
reasons, a CG member or employee must not give the appearance that the United States
Coast Guard endorses or sanctions that individual's personal activities. If there is a potential
for confusion, employees must provide an appropriate disclaimer, such as: "The content of
this message does not reflect the official position of the United States, the Department of
Homeland Security, or the Coast Guard."
(3) Loading personal or unauthorized software onto a government computer or other government
office equipment.
(4) Making configuration changes to a government computer system.
(5) Subscribing to or downloading streaming-data services (e.g., streaming video (MediaPlayer-
type files), streaming audio (Internet radio stations), stock tickers (near real time stock
market information), weather bug (live weather monitoring), news-flash tickers) or other
automatic Internet services.
(6) Engaging in any fund raising activity, endorsing any company, service or product, or
engaging in any political activity.
Note: Official fundraising activities are limited to Combined Federal Campaign and CG
Mutual Assistance.
(7) Using government equipment as a staging ground or platform to gain unauthorized access to
other systems.
(8) Using government office equipment for commercial purposes or to support a private or
personal business. Examples of this prohibition include employees using a government
computer and Internet connection to run a travel business or investment service. The ban on
using government office equipment to support a personal or private business also precludes
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