| CPC H04L 63/0861 (2013.01) [H04L 63/102 (2013.01)] | 16 Claims |

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1. A computer implemented method comprising operations stored on a non-transitory computer-readable storage medium and executed on a computing device having a processor and a memory for authentication of an Office as a Subscription (OaaS) service, comprising:
providing the computing device with a zero or thin client technology unit;
receiving a request from a user via the computing device for accessing the OaaS service from a server via an existing network;
verifying one or more access credential requirements associated with the user;
upon successful verification, providing the user remote access to the OaaS service from the server;
allowing the user to manipulate data in the OaaS service;
storing the manipulated data in the server; and
preventing, by the zero or thin client technology unit, any capturing, downloading or saving of the data from the OaaS service and any capturing, downloading or saving of the manipulated data from the server.
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