Click-to-call attack prevention
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United States of America Patent
Stats
-
Dec 4, 2012
Grant Date -
May 27, 2010
app pub date -
Apr 22, 2009
filing date -
Nov 24, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
System and methods for preventing abusive use of a click-to-call callback function of virtual PBX services are disclosed. In some implementations, a challenge-response procedure can be implemented, and a click-to-call request is allowed when a correct response is timely received. In some implementations, one or more system wide policies can be applied in determining whether a click-to-call request should be allowed or denied. A system policy for blocking and unblocking requests having a particular request parameter (e.g., source IP address) is disclosed. An account specific policy for setting the state of a particular account targeted by a click-to-call request as normal, warning, or blocked, based on the current status of the particular account is also disclosed.
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