WorkCoin has a partnership with Springrole so they can get the finest verifications and attestations to their users easily. In a way Springrole has a shield for attacks, Your profile and your attestation will never be hacked due to inclusion of the backchain and smart contracts. You data will be safe for even million of years without any harm.
"Mainframe can protect data ?" Actually I didn't get this question. What it related to?