Without the Center for Innovative Technology (CIT), Leesburg-based Disrupt6 wouldn’t exist. Just two years ago Disrupt6 co-founder and CEO Joe Klein was a defense contractor with more than 30 years of cybersecurity experience — he battled his first hacker in the 1980s. But Klein had never been able to get his own business off the ground until he was asked last year to pitch his business idea as part of CIT’s MACH37 initiative to promote cybersecurity startups.