Wiztango is deployed on Amazon AWS. Amazon has number of Certifications and Third Party Attestations like SOC 1/SSAE 16/ISAE 3402, SOC 2, FISMA, DIACAP, FedRAMP, ISO 27001, PCI DSS Level 1, FIPS 140 -2.
More details about Amazon AWS security can be read here
A detailed white paper on Amazon Web services Risk and Compliance can be read here
Further, Wiztango users various Amazon mechanisms to identify ourselves and securely access the internal services like AWS identify and Access Management, AWS Multi factor authentication, Key rotation, Hardened Operating system to name a few.