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1. 发明授权

US07653188B2 Telephony extension attack detection, recording, and intelligent prevention 有权
标题翻译：电话延伸攻击检测，录音和智能预防
公开(公告)号：US07653188B2
公开(公告)日：2010-01-26
申请号：US11243753
申请日：2005-10-04
申请人： Michael James Kloberdans , John Michael Walton
发明人： Michael James Kloberdans , John Michael Walton
IPC分类号： H04M3/00 , H04M15/00 , H04M17/00
CPC分类号： H04L65/1079 , H04L63/14 , H04M3/436 , H04M7/006
摘要： A system and method are provided for detecting extension attacks made to a communication enterprise, and taking appropriate remedial action to prevent ongoing attacks and future attacks. One or more attributes of a suspect call are analyzed, and a risk is associated with each analyzed attribute. An overall risk or assessment is then made of the analyzed attributes, attack attributes are logged, and one or more remedial actions may be triggered as a result of the analyzed call attributes. The remedial actions may include recording the call, notifying an administrator of a suspect call, or isolating the communication enterprise from the attack by terminating the call or shutting down selected communication endpoints to prevent calls being made to those extensions. Rules may be applied to the analyzed attributes in order to trigger the appropriate remedial action. The call attributes analyzed may include call destination, call direction, call type, time of day of the call, call duration, whether a call source is spoofed, call volume from a particular call source, and hash values created for a suspect media stream.
摘要翻译：提供了一种用于检测对通信企业进行扩展攻击的系统和方法，并采取适当的补救措施来防止持续的攻击和将来的攻击。分析可疑电话的一个或多个属性，并将风险与每个分析的属性相关联。然后对所分析的属性进行总体风险或评估，记录攻击属性，并且可能由于分析的呼叫属性而触发一个或多个补救措施。补救措施可以包括记录呼叫，通知管理员可疑呼叫，或者通过终止呼叫或关闭所选择的通信端点来隔离通信企业免受攻击，以防止对这些分机进行呼叫。可以将规则应用于分析的属性，以触发适当的补救措施。所分析的呼叫属性可以包括呼叫目的地，呼叫方向，呼叫类型，呼叫时间，呼叫持续时间，呼叫源是否被欺骗，来自特定呼叫源的呼叫量，以及为可疑媒体流创建的哈希值。

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