BT (Security)

Security is part of our DNA. Our very own Tommy Flowers carried out ground-breaking work in encryption with Alan Turing during the Second World War. Today, our experts and our services protect nation-states, governments, FTSE 500 companies, and millions of BT Group customers. We’re ensuring that the world continues to connect safely, free from cyber attack, working closely with global law enforcement agencies and investing over £40m a year into research.