GCHQ cyber boss plans British firewall to block hackers

Businesses could use surveillance agency's expertise to protect them from malicious attacks, says director general of cyber Ciaran Martin

The UK's surveillance agency GCHQ is planning to create a British firewall offering protection against malicious hackers.

The proposal was made at a conference in Washington by the director general of cyber at GCHQ, Ciaran Martin, who is also head of the National Cyber Security Centre, which is part of GCHQ.