By Ellen Chang The ride-share company suffered a huge attack that may affect users’ credit card and personal data. Consumers are being urged to take action to protect themselves in the wake of a substantial hack of ride-hailing company Uber’s (UBER) – Get Uber Technologies Inc. Report data systems, even if they only used the service once. The breach is “massive,” Chris Lehman, CEO of SafeGuard Cyber, a Charlottesville, Va.-based cybersecurity company, told TheStreet. “Consumers would be well advised to monitor any card or financial account that is linked to their Uber app,” he said. “There is …