Stay informed with free updatesSimply sign up to the Cyber Security myFT Digest -- delivered directly to your inbox.UK cyber security company Darktrace is accelerating its expansion in the US as part of a push by the group to hit $1bn in revenues and compete with larger rivals Palo Alto Networks and CrowdStrike. The Cambridge-based company, which was taken private in a £4.3bn deal last year by US private equity group Thoma Bravo, plans to invest more than $200mn in the US in 2026 — up 11 per cen...