Anecdata to the contrary, I've seen no suspicious activity on my Linode-associated card.
Yet? One of the things I've learned by reading Danchev and other blogs on the scourge of credit card fraud is that 'carders' seem to have waaaaaay more cards than they need so the turnaround time between having it be made public and having it used can be quite long. So far for me every time one of my cards has been compromised there was a small charge that went through before the bigger charges came in. And my bank h…
I've also noticed the same pattern with compromised cards: a couple of small auths to test the waters, and then increasingly large charges coming from decreasingly likely places. I regularly log onto my online banking and inspect the recent activity looking for exactly that kind of activity.
I've long wished for the same, "whitelist-only card" type thing, too. I think I might smell an opportunity...