| Subject | English | Bulgarian |
| comp., MS | private network | частна мрежа (A network within an organization that uses Internet technologies and protocols, but is available only to certain people, such as employees of a company) |
| comp., MS | virtual private network | виртуална частна мрежа (The extension of a private network that encompasses encapsulated, encrypted, and authenticated links across shared or public networks. VPN connections typically provide remote access and router-to-router connections to private networks over the Internet) |