We can prevent the invasion of privacy by using a firewall because the firewall prevents network tools for the virtual wall for protection are used to control the in and out without permission.
We can prevent the invasion of privacy by using a firewall because the firewall for network protection to protect the virtual walls in order to control access in and out without permission.
We can prevent the invasion of privacy by a firewall because firewall tool for preventing network virtual protection wall for use in controlling the in and out without permission.