How safe is the OGO Billing system?
Very! OGO integrates with Chargebee, a leader in payments. At no times does OGO store your credit card details on their own system. All payment details are managed by Chargebee who have the highest security standards.
Charrgee Security Information: https://www.chargebee.com/security/
Chargebee PCI DSS Compliant: https://www.chargebee.com/security/pci/
OGO uses SSL for all its pages and payment portals.