Augusta relocated to the farm to prevent outsiders from influencing her sons.

Companies use encryption codes to prevent outsiders from monitoring their confidential electronic communications.

As windows had been boarded up to prevent outsiders from viewing or listening to the music, the crowd was trapped.

By that, he meant preventing outsiders from coming in and driving prices beyond those the residents can afford.

For that reason, Web browsers have several security elements to prevent outsiders from reading their contents.

The code was designed to prevent outsiders from guessing what was going on.

These networks control the debate on specific issues and prevent outsiders from having a voice in the policymaking process.

They fought to prevent unregulated outsiders from setting up shop next door and holding auctions.

The members of the bid-rigging group had several methods for preventing unwitting outsiders from interfering with their system.

They also supervise jurors in the courthouse to prevent outsiders from approaching them.