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Firewalls that block outgoing information as well as incoming files can stop hackers from planting " spyware " programs that cause your computer to send out your personal information without your approval . Although the information we request is almost never used for any purpose other than the payment of benefits under the Railroad Retirement Act , the RRB does have the authority to release information to the indicated individuals , organizations , and / or agencies without your approval . ' This means that they install programs on the computer that can track your activity , gather passwords , and send information about you out on the Internet without your approval . ( Spyware consists of sneaky software programs that use your Net connection - - usually to report data to advertisers - - without your approval or knowledge ) . That is subject to section 222 of the act and it governs the use and disclosure by carriers of their Customer Proprietary Network Information , and generally it restricts the use of your CPNI without your approval , and section 222 also enables customers to have some control over the relinquishment of the privacy , presumption of privacy as they see fit .