National and Personal Security: Staying Safe on Social Network Sites

Keep off social networking sites, Army tells its men
The Army has told its officers to keep off social networking sites and refrain from posting sensitive information like their rank, unit or posting location on the Internet. The instructions follow a spate of cyber attacks targeting military personnel and fears that foreign agencies could be tracking networking sites like Orkut and Facebook to home in on Army officers. Under the strict provisions of the Army Act, personnel can be dismissed from service and even face imprisonment for sharing sensitive information that can be accessed by outside agencies.
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Keep off social networking sites, Army tells its men
Army warning on networking sites, officials posting info to face action
National Security: Army Major's computer was accessed from Pakistan- earlier RMS Blog post

Staying Safe on Social Network Sites
The popularity of social networking sites continues to increase, especially among teenagers and young adults. The nature of these sites introduces security risks, so you should take certain precautions.

How can you protect yourself?
Limit the amount of personal information you post - Do not post information that would make you vulnerable, such as your address or information about your schedule or routine. If your connections post information about you, make sure the combined information is not more than you would be comfortable with strangers knowing. Also be considerate when posting information, including photos, about your connections.

Remember that the internet is a public resource - Only post information you are comfortable with anyone seeing. This includes information and photos in your profile and in blogs and other forums. Also, once you post information online, you can't retract it. Even if you remove the information from a site, saved or cached versions may still exist on other people's machines (see Guidelines for Publishing Information Online for more information).

Be wary of strangers - The internet makes it easy for people to misrepresent their identities and motives (see Using Instant Messaging and Chat Rooms Safely for more information). Consider limiting the people who are allowed to contact you on these sites. If you interact with people you do not know, be cautious about the amount of information you reveal or agreeing to meet them in person.

Be skeptical - Don't believe everything you read online. People may post false or misleading information about various topics, including their own identities. This is not necessarily done with malicious intent; it could be unintentional, an exaggeration, or a joke. Take appropriate precautions, though, and try to verify the authenticity of any information before taking any action.

Evaluate your settings - Take advantage of a site's privacy settings. The default settings for some sites may allow anyone to see your profile. You can customize your settings to restrict access to only certain people. However, there is a risk that even this private information could be exposed, so don't post anything that you wouldn't want the public to see. Also, be cautious when deciding which applications to enable, and check your settings to see what information the applications will be able to access.

Use strong passwords - Protect your account with passwords that cannot easily be guessed (see Choosing and Protecting Passwords for more information). If your password is compromised, someone else may be able to access your account and pretend to be you.

Check privacy policies - Some sites may share information such as email addresses or user preferences with other companies. This may lead to an increase in spam (see Reducing Spam for more information). Also, try to locate the policy for handling referrals to make sure that you do not unintentionally sign your friends up for spam. Some sites will continue to send email messages to anyone you refer until they join.

Use and maintain anti-virus software - Anti-virus software recognizes most known viruses and protects your computer against them, so you may be able to detect and remove the virus before it can do any damage (see Understanding Anti-Virus Software for more information). Because attackers are continually writing new viruses, it is important to keep your definitions up to date.

Do not use pirated software or programs.

Children are especially susceptible to the threats that social networking sites present. Although many of these sites have age restrictions, children may misrepresent their ages so that they can join. By teaching children about internet safety, being aware of their online habits, and guiding them to appropriate sites, parents can make sure that the children become safe and responsible users (see Keeping Children Safe Online for more information).
Staying Safe on Social Network Sites