Method and apparatus for managing the transfer of sensitive information to mobile devices
First Claim
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1. A method of preventing the loss of sensitive data, comprising:
- receiving a request via a network from a mobile device for email data;
filtering an email data set to produce a filtered email data set, the filtering based, at least in part, on properties of the mobile device; and
sending a response to the mobile device via the network, the response based, at least in part, on the filtered email data set;
determining that a received email message is not authorized to be transferred to the mobile device;
sending a block notification message in response to the determining to the mobile device;
receiving an indication that the received email message is authorized to be transferred to the mobile device after sending the response to the mobile device;
in response to the indication, sending a first network message to the mobile device, the first message indicating a property of the block notification message has changed from a first value to a second value;
receiving a second request from the mobile device for an email data set after sending the first network message; and
in response to the second request, sending a response to the mobile device including the received email message instead of the block notification message.
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Abstract
Methods and apparatus provide data loss protection for mobile devices. In one aspect, data is analyzed by a data loss protection server to determine if it is authorized by data loss protection policies to be transferred to a mobile device. The time necessary to analyze the data may exceed a mobile device timeout value. To prevent the mobile device from timing out, the DLP server may send one or more portions of a response to the mobile device at a time interval less than the mobile device timeout value. Some portions of the response may be sent before the analyzing of the data is completed.
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Citations
24 Claims
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1. A method of preventing the loss of sensitive data, comprising:
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receiving a request via a network from a mobile device for email data; filtering an email data set to produce a filtered email data set, the filtering based, at least in part, on properties of the mobile device; and sending a response to the mobile device via the network, the response based, at least in part, on the filtered email data set; determining that a received email message is not authorized to be transferred to the mobile device; sending a block notification message in response to the determining to the mobile device; receiving an indication that the received email message is authorized to be transferred to the mobile device after sending the response to the mobile device; in response to the indication, sending a first network message to the mobile device, the first message indicating a property of the block notification message has changed from a first value to a second value; receiving a second request from the mobile device for an email data set after sending the first network message; and in response to the second request, sending a response to the mobile device including the received email message instead of the block notification message. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An apparatus for preventing the loss of sensitive data on a mobile device, comprising:
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a processor; and a memory operatively coupled to the processor, the memory storing instructions that configure the processor to perform a method of; receiving a request for data from the mobile device, and filtering an email data set to produce a filtered email data set, the filtering based, at least in part, on properties of the mobile device, sending a response to the mobile device based, at least in part, on the filtered email data set, determining that a received email message is not authorized to be transferred to the mobile device, sending a block notification message in response to the determining to the mobile device, receiving an indication that the received email message is authorized to be transferred to the mobile device after sending the response to the mobile device; in response to the indication, sending a first network message to the mobile device, the first message indicating a property of the block notification message has changed from a first value to a second value, receiving a second request from the mobile device for an email data set after sending the first network message, and in response to the second request, sending a response to the mobile device including the received email message instead of the block notification message. - View Dependent Claims (20)
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21. An apparatus for preventing the loss of sensitive data on a mobile device, comprising:
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means for receiving a request for email data from the mobile device; means for filtering an email data set to produce a filtered email data set, the filtering based, at least in part, on properties of the mobile device; means for sending a response to the mobile device based, at least in part, on the filtered email data set; means for determining that a received email message is not authorized to be transferred to the mobile device; means for sending a block notification message in response to the determining to the mobile device; means for receiving an indication that the received email message is authorized to be transferred to the mobile device after sending the response to the mobile device; means for in response to the indication, sending a first network message to the mobile device, the first message indicating a property of the block notification message has changed from a first value to a second value; means for receiving a second request from the mobile device for an email data set after sending the first network message; and means for in response to the second request, sending a response to the mobile device including the received email message instead of the block notification message. - View Dependent Claims (22)
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23. A non-transitory computer readable medium, storing instructions that when executed by a processor perform a method of preventing the loss of sensitive data on a mobile device, the method comprising:
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receiving a request for email data from the mobile device; filtering an email data set to produce a filtered email data set, the filtering based, at least in part, on properties of the mobile device; completing a response to the mobile device based, at least in part, on the filtered email data set; determining that a received email message is not authorized to be transferred to the mobile device; sending a block notification message in response to the determining to the mobile device; receiving an indication that the received email message is authorized to be transferred to the mobile device after sending the response to the mobile device; in response to the indication, sending a first network message to the mobile device, the first message indicating a property of the block notification message has changed from a first value to a second value; receiving a second request from the mobile device for an email data set after sending the first network message; and in response to the second request, sending a response to the mobile device including the received email message instead of the block notification message. - View Dependent Claims (24)
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Specification