>I'm looking into cloud backup options for a small business, they'd be looking at backing up ~150GB.
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>This will mainly be for secondary protection against disaster (fire, theft, earthquake etc.), they'll still have onsite backup to external media. Also for protection against CryptoWall-type malware.
>
>Anyone have any recommendations, for or against, the various providers?

I use MozyPro at several locations, very few problems or gotchas. Pricey but reliable. Be forewarned, if a local file/directory is deleted, it disappears after 30 days from the online backup. This has bit me once.