Hacked wordpress blogs cause deindexation

It is advisable to check the wordpress themes installed carefully because some wordpress blogs are hacked using the theme involved, The hacked wordpress blogs are then deindexed to cause financial losses to the domain investor
Out of 5 wordpress blogs which were deindexed, at least some of the blogs on fish and skin are deindexed due to hacking of wordpress themes or server.
With free webhosting even less support can be expected, and many are tired of the financial losses.