GCHQ

abbreviation

1. Government Communications Headquarters

Example Sentences

The UK was "far too free in allowing access to strategically important industries", according to a former head of GCHQ.

Read more on BBC

"This is the trillion-dollar question," says Sir Jeremy Fleming, a former head of GCHQ.

Read more on BBC

In October, Daniel Shiu, the former head of cryptographic design at GCHQ, the UK's intelligence, security and cyber agency, told the Sunday Times it was "credible that almost all UK citizens will have had data compromised" in state-sponsored cyber attacks carried out by China – with that data stockpiled for a time when it can be decrypted and studied.

Read more on BBC

"The data stolen through this activity can ultimately provide the Chinese intelligence services the capability to identify and track targets' communications and movements worldwide," the UK's National Cyber Security Centre, an arm of GCHQ, warned in a statement.

Read more on BBC

In May, GCHQ's National Cyber Security Centre published a report warning about the growing impact of cyber threats from hackers using artificial intelligence-based tools.

Read more on BBC