Plenty of things can cause data loss. The most common are hardware failure and human error, but software corruption, computer viruses, theft, and natural disasters like floods and fires might occur, as well.
Cloud-based software can save money and potentially minimize the hassle associated with managing application servers—but it can also lead to a false sense of security if you assume Microsoft will be able to meet all your data retention and recovery needs.
The conflagration in Strasbourg in Eastern France took down millions of websites across Europe and Africa, including government agency portals, banks, retailers, news websites, and an estimated 2% of the entire .FR country domain. Despite a quick response, 100 local firefighters were neither able to contain the blaze nor identify its cause.