EdFinancial and the Oklahoma Student Loan Authority (OSLA) are notifying over 2.5 million loanees that their personal data was exposed in a data breach. The target of the breach was Nelnet Servicing, the Lincoln, Neb.-based servicing system and web portal provider for OSLA and EdFinancial, according to a breach disclosure letter. Nelnet revealed the breach to affected loan recipients on July 21, 2...