Bit like the U.S Militiary :
Don't ask , Don't tell.
If you are worried that much or your conscience is bothering you -- then you've answered your own question.
Why should you assume Russia is any worse than anywhere else. Wasn't one of the biggest File sharing / Torrent sites in the world located in Sweden -- think there are loads of Court cases pending on that one.
Here's the motto from that site. (Screenshot enc)
As a previous poster says "Caveat Emptor" (and actually Russian Banks do have fairly decent security) -- it wasn't them who had mega Barclay / Visa card leakages recently.