How can an online system running on a desktop stop virus?
Most of the virus comes through online web. Nivio is another such offering. If Nivio servers are hacked and infected with virus, all users of Nivio will also be simultaneously infected.
Besides people surfing other sites through Nivio will download virus from these sites to their desktop.
How can one trust to keep all their confidential data on Nivio Servers. Will you save your romantic emails on Nivio Servers? Your intimate pictures?
Nivio has no future cause the present Web is by itself obsolete.