Practicing good operational security helps combat risks that arise from using social media, namely by protecting critical information (CI). Critical information includes: (1) usernames, passwords, computer and networking information; (2) job title, location, salary, grade and clearances; (3) operational, security and logistical data; (4) Social Security numbers, credit card and banking information; and (5) work/personal addresses and phone numbers. The biggest risk on social media is posting information that may not be critical on its own, but when pieced together by someone, on one or more platforms, can have detrimental effects. For more information, visit DoD's Social Media Web Guide.
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