We use Amazon Web Services in Ireland for core hosting services. See AWS Security whitepaper for details. https://d0.awsstatic.com/whitepapers/Security/Intro_to_AWS_Security.pdf.
Other frequently asked technical questions include:
Managing your freelancer workforce can be as simple as recording names and phone numbers in your phone book. But there's a point when you need to get serious about managing your freelance and contingent workers.
Gone are the days of the rigid organisational structure, today's forward thinking organisations are adopting a resourcing model that's much better at flexing and scaling.