The Bunker Secure Hosting Limited provides secure data centre and managed services based on open source software in the United Kingdom. It offers managed services, including secure hosting, firewalls, managed backups, load balancing, backend networks, secure sockets layer digital certificates, online data backup, and virtual private network solutions to deliver the secure storage, access, management and processing of business data for use in day to day operations and for future retrieval on demand; data centres for secure hosting and data storage and related services; co location services, including managed co location; and disaster recovery solutions, including strategic security consultancy, remote backup, and secure electronic data storage. The company was founded in 1984 and is based in London.