And it really depends on who your customers are. The amount of cash available during a recession doesn't change. It just gets more sluggish and people tend to be more reluctant to let it go. But it's there all the same.
I don't know if people tend to be more reluctant to let it go, they just change where it goes. As an example, a company I worked at during the dot.com crash made a lot of bones in regulatory compliance until 9/11...at which point, redundancy and high availability became the money machine.