After it was suspected that viruses were sneaked into ATM machines, 32 lakh ATM-debit cards of customers are are suspected to have been affected. 

How did it all start? 

How did the breach originate?

Source: b'Representational image|Source: Reuters\xc2\xa0'

Which all banks are worst hit?

Source: b'Representational image|Source: PTI\xc2\xa0'

What steps have been taken ? 

However, most banks maintain that it's a "cards industry incident" and not just limited to one bank, 

 (With PTI inputs)

(Feature image source: PTI)