Hello guys,

Please what is a method any large WAN can employ to prevent communications from being compromised while transferred on the internet?

Thanks

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Encrypt it. All internet traffic is accessible. If it isn't encrypted (ssl/https, vpn, pgp, etc) then it is capable of being easily compromised.

You would have VPN servers on both sides of the WAN to create the encrypted tunnel.

Ok, thanks a lot guys. :)

You can set up a VPN connection, and to really make sure every connections in and out of the WAN is secure you can set-up a Intrusion Detection System(IDS) to tighten up network security.
You may also use only allow secure protocols(https) to traverse to your network.

you could have also design you network with diffrent approach from the public network to your private network and you could also use their advice.

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