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1. 发明申请

WO2005043416A2 METHODS AND APPARATUSES FOR DETERMINING AND DESIGNATING CLASSIFICATIONS OF ELECTRONIC DOCUMENTS 审中-公开
标题翻译：用于确定和指定电子文件分类的方法和装置
公开(公告)号：WO2005043416A2
公开(公告)日：2005-05-12
申请号：PCT/US2004/036598
申请日：2004-11-02
申请人： CLOUDMARK, INC. , PRAKASH, Vipul Ved , STEMM, Mark
发明人： PRAKASH, Vipul Ved , STEMM, Mark
IPC分类号： G06F17/30
CPC分类号： G06F17/30707
摘要： Embodiments of the invention provide methods and apparatuses for automatically determining and designating classifications of electronic documents. In accordance with one embodiment of the invention, each of a plurality of electronic documents is reduced to a corresponding multidimensional vector based on a multi-dimensional vector space. The distances between multi-dimensional vectors are then evaluated. Multi-dimensional vectors within a specified distance of one another are considered to be a multi-dimensional vector cluster. The multi-dimensional vector space may contain one or more such clusters. Each cluster represents a distinct classification and the electronic documents corresponding to the multi-dimensional vectors of a cluster are classified as such. For one embodiment of the invention features of the electronic documents corresponding to the multi-dimensional vectors of a cluster are used to designate the classification represented by the cluster.
摘要翻译：本发明的实施例提供用于自动确定和指定电子文档分类的方法和装置。根据本发明的一个实施例，基于多维向量空间将多个电子文档中的每一个简化为相应的多维向量。然后评估多维向量之间的距离。彼此指定距离内的多维向量被认为是多维向量簇。多维向量空间可以包含一个或多个这样的簇。每个集群表示不同的分类，并且对应于集群的多维向量的电子文档被分类。对于本发明的一个实施例，使用与簇的多维向量相对应的电子文档的特征来表示由簇表示的分类。

2. 发明申请

WO2005091580A1 A METHOD AND AN APPARATUS TO CLASSIFY ELECTRONIC COMMUNICATION 审中-公开
标题翻译：分类电子通信的方法和装置
公开(公告)号：WO2005091580A1
公开(公告)日：2005-09-29
申请号：PCT/US2005/008864
申请日：2005-03-16
申请人： CLOUDMARK, INC. , PRAKASH, Vipul, Ved
发明人： PRAKASH, Vipul, Ved
IPC分类号： H04L12/58
CPC分类号： H04L51/14
摘要： A method and an apparatus to classify electronic communications have been disclosed. In one embodiment, the method includes tokenizing a set of one or more headers in an electronic communication to generate a first set of one or more tokens and comparing the first set of tokens with a second set of one or more tokens to determine whether the electronic communication is in a predetermined category. Other embodiments have been claimed and described.
摘要翻译：已经公开了一种分类电子通信的方法和装置。在一个实施例中，该方法包括在电子通信中标记一组一个或多个头部以产生一个或多个令牌的第一组，并将第一组令牌与第二组一个或多个令牌进行比较，以确定电子通信处于预定类别。已经要求和描述了其它实施例。

3. 发明申请

WO2005043416A3 METHODS AND APPARATUSES FOR DETERMINING AND DESIGNATING CLASSIFICATIONS OF ELECTRONIC DOCUMENTS 审中-公开
标题翻译：确定和指定电子文件分类的方法和设备
公开(公告)号：WO2005043416A3
公开(公告)日：2005-07-21
申请号：PCT/US2004036598
申请日：2004-11-02
申请人： CLOUDMARK INC , PRAKASH VIPUL VED , STEMM MARK
发明人： PRAKASH VIPUL VED , STEMM MARK
IPC分类号： G06F17/30
CPC分类号： G06F17/30707
摘要： Embodiments of the invention provide methods and apparatuses for automatically determining and designating classifications of electronic documents. In accordance with one embodiment of the invention, each of a plurality of electronic documents is reduced to a corresponding multidimensional vector based on a multi-dimensional vector space. The distances between multi-dimensional vectors are then evaluated. Multi-dimensional vectors within a specified distance of one another are considered to be a multi-dimensional vector cluster. The multi-dimensional vector space may contain one or more such clusters. Each cluster represents a distinct classification and the electronic documents corresponding to the multi-dimensional vectors of a cluster are classified as such. For one embodiment of the invention features of the electronic documents corresponding to the multi-dimensional vectors of a cluster are used to designate the classification represented by the cluster.
摘要翻译：本发明的实施例提供用于自动确定和指定电子文档的分类的方法和设备。根据本发明的一个实施例，基于多维向量空间将多个电子文档中的每一个简化为对应的多维向量。然后评估多维向量之间的距离。相互指定距离内的多维矢量被认为是多维矢量聚类。多维向量空间可以包含一个或多个这样的簇。每个聚类代表一个独特的分类，并且与聚类的多维向量对应的电子文档被分类。对于本发明的一个实施例，使用与集群的多维矢量相对应的电子文档的特征来指定由集群表示的分类。

4. 发明申请

WO2016057377A1 APPARATUS AND METHOD FOR IDENTIFYING DOMAIN NAME SYSTEM TUNNELING, EXFILTRATION AND INFILTRATION 审中-公开
标题翻译：识别域名系统隧道，扩张和渗透的装置和方法
公开(公告)号：WO2016057377A1
公开(公告)日：2016-04-14
申请号：PCT/US2015/053957
申请日：2015-10-05
申请人： CLOUDMARK, INC.
发明人： COOK, Neil , LEMARIE, Olivier , STEMM, Mark Richard
IPC分类号： G06F11/00
CPC分类号： H04L43/08 , H04L47/2425 , H04L61/1511 , H04L63/0272 , H04L63/1416 , H04L63/1466
摘要： A machine includes a processor and a memory connected to the processor. The memory stores instructions executed by the processor to preserve a second level domain, track requests for subdomains of the second level domain, determine the size of encoded subdomain data and determine the size of response data for subdomain requests. When the ratio of the number of unique subdomains versus the number of subdomain requests is over a first threshold a first satisfied condition is established. It is determined, in response to the first satisfied condition, when the size of the subdomain data exceeds a second threshold and the size of response data exceeds a third threshold to establish a second satisfied condition corresponding to deemed domain name system tunnel activity. It is determined, in response to the first satisfied condition, when the size of the subdomain data exceeds the second threshold to establish a third satisfied condition corresponding to deemed domain name system data exfiltration activity.
摘要翻译：机器包括处理器和连接到处理器的存储器。存储器存储由处理器执行的指令以保留第二级域，跟踪对第二级域的子域的请求，确定编码的子域数据的大小并确定子域请求的响应数据的大小。当唯一子域数与子域请求数之比超过第一阈值时，建立第一个满足条件。确定响应于第一满足条件，当子域数据的大小超过第二阈值并且响应数据的大小超过第三阈值以建立与被认为的域名系统隧道活动相对应的第二满足条件时。确定响应于第一满足条件，当子域数据的大小超过第二阈值以建立对应于被认为的域名系统数据exfiltration活动的第三满足条件时。

5. 发明申请

WO2014179338A1 APPARATUS AND METHOD FOR AUGMENTING A MESSAGE TO FACILITATE SPAM IDENTIFICATION 审中-公开
标题翻译：用于补充消息以加强垃圾邮件识别的装置和方法
公开(公告)号：WO2014179338A1
公开(公告)日：2014-11-06
申请号：PCT/US2014/035917
申请日：2014-04-29
申请人： CLOUDMARK, INC.
发明人： STEMM, Mark
IPC分类号： G06F15/173
CPC分类号： H04L51/12 , H04L51/08 , H04L51/10 , H04L51/22 , H04L51/34 , H04L61/1511 , H04L61/2007 , H04L67/10 , H04W4/14
摘要： A computer includes a processor and a memory connected to the processor. The memory stores instructions executed by the processor to augment a message with network node attributes derived by linking from an original network node specified in the message to additional network nodes associated with the original network node. Message signatures representing the network node attributes are generated. The message signatures are evaluated to characterize the message.
摘要翻译：计算机包括处理器和连接到处理器的存储器。存储器存储由处理器执行的指令，以增加具有通过从消息中指定的原始网络节点链接到与原始网络节点相关联的附加网络节点链接而获得的网络节点属性的消息。生成表示网络节点属性的消息签名。评估消息签名以表征消息。

6. 发明申请

WO2005074213A1 METHOD AND SYSTEM FOR URL-BASED SCREENING OF ELECTRONIC COMMUNICATIONS 审中-公开
标题翻译：电子通信基于URL的筛选方法与系统
公开(公告)号：WO2005074213A1
公开(公告)日：2005-08-11
申请号：PCT/US2005/001754
申请日：2005-01-20
申请人： CLOUDMARK, INC. , PRAKASH, Vipul, Ved
发明人： PRAKASH, Vipul, Ved
IPC分类号： H04L12/58
CPC分类号： H04L51/12 , G06Q10/107 , H04L29/12009 , H04L29/12594 , H04L61/30 , H04L63/12
摘要： A method and an apparatus to screen electronic communications such as emails is disclosed. In one embodiment, the method includes extracting URLs from electronic communication (110) and analyzing the URLs extracted to determine whether the electronic communication is of a first predetermined category (120-150) such as spams.
摘要翻译：公开了一种用于屏幕电子通信的方法和装置，例如电子邮件。在一个实施例中，该方法包括从电子通信（110）提取URL并分析所提取的URL以确定电子通信是否是诸如垃圾邮件的第一预定类别（120-150）。

7. 发明申请

WO2016057401A1 SYSTEMS AND METHODS OF IDENTIFYING SUSPICIOUS HOSTNAMES 审中-公开
标题翻译：识别可疑病原体的系统和方法
公开(公告)号：WO2016057401A1
公开(公告)日：2016-04-14
申请号：PCT/US2015/054014
申请日：2015-10-05
申请人： CLOUDMARK, INC.
发明人： STEMM, Mark, Richard , JOHNS, Arlyn, Robert
IPC分类号： H04L29/06 , H04L29/12 , G06F21/55
CPC分类号： H04L63/1483 , G06F17/30864 , G06F17/30985 , G06F21/55 , H04L61/1511 , H04L63/1416 , H04L63/1458 , H04L2463/144
摘要： A method includes receiving a set of strings and applying one or more filters to generate a subset of strings that are determined to correspond to strings of interest. The method also includes retrieving domain name system (DNS) information associated with a first string of the subset. The method includes executing a rule-based engine to determine, based on application of one or more rules to the DNS information, whether to add the first string to a set of suspicious hostnames.
摘要翻译：一种方法包括接收一组字符串并应用一个或多个过滤器以生成被确定为对应于感兴趣的字符串的字符串的子集。该方法还包括检索与该子集的第一个字符串相关联的域名系统（DNS）信息。该方法包括执行基于规则的引擎以基于对DNS信息的一个或多个规则的应用来确定是否将第一个字符串添加到一组可疑主机名。

8. 发明申请

WO2005043351A3 METHOD AND APPARATUS TO BLOCK SPAM BASED ON SPAM REPORTS FROM A COMMUNITY OF USERS 审中-公开
标题翻译：基于用户群体的垃圾邮件报告的垃圾邮件的方法和装置
公开(公告)号：WO2005043351A3
公开(公告)日：2007-07-19
申请号：PCT/US2004036755
申请日：2004-11-03
申请人： CLOUDMARK INC , PRAKASH VIPUL VED
发明人： PRAKASH VIPUL VED
IPC分类号： G06F15/16 , G06F20060101 , G06F11/30 , H04L9/32
CPC分类号： H04L51/12
摘要： In one embodiment, a method for operating a server (102) is provided. The method comprises receiving a plurality of reports from a community of users (108), each report identifying an email message (114) as spam or not spam; and determining if the email message is spam based on a number of reports received from the community of users (108), and a trust factor associated with each user.
摘要翻译：在一个实施例中，提供了一种用于操作服务器（102）的方法。该方法包括从用户社区（108）接收多个报告，每个报告将电子邮件消息（114）标识为垃圾邮件或非垃圾邮件; 以及基于从所述用户群体（108）接收的多个报告以及与每个用户相关联的信任因素来确定所述电子邮件消息是否为垃圾邮件。

9. 发明申请

WO2005043417A2 METHODS AND APPARATUSES FOR CLASSIFYING ELECTRONIC DOCUMENTS 审中-公开
标题翻译：用于分类电子文件的方法和设备
公开(公告)号：WO2005043417A2
公开(公告)日：2005-05-12
申请号：PCT/US2004/036759
申请日：2004-11-03
申请人： CLOUDMARK, INC. , PRAKASH, Vipul, Ved , STEMM, Mark
发明人： PRAKASH, Vipul, Ved , STEMM, Mark
IPC分类号： G06F17/30
CPC分类号： H04L51/12 , Y10S707/99942
摘要： Embodiments of the invention provide methods and apparatuses for classifying electronic documents (e.g., electronic communications) as either spam electronic documents or legitimate electronic documents. In accordance with one embodiment of the invention, each of a plurality of electronic communications is reduced to a corresponding multidimensional vector based on a mufti-dimensional vector space. The mufti-dimensional vectors represent corresponding electronic documents that have been classified as at least one type of electronic documents. Subsequent electronic documents to be classified are reduced to a corresponding mufti-dimensional vector inserted into the mufti-dimensional vector space. The electronic documents corresponding to an inserted mufti-dimensional vector are classified based upon the proximity of the inserted mufti-dimensional vector to at least one previously classified mufti-dimensional vectors of the mufti-dimensional vector space.
摘要翻译：本发明的实施例提供了用于将电子文档（例如，电子通信）分类为垃圾电子文档或合法电子文档的方法和设备。根据本发明的一个实施例，基于多维向量空间将多个电子通信中的每一个简化为对应的多维向量。多维矢量表示已被分类为至少一种类型的电子文档的相应电子文档。随后将被分类的电子文档被缩减为插入到多维矢量空间中的相应的多维矢量。基于插入的多维矢量接近多维矢量空间的至少一个先前分类的多维矢量，对与插入的多维矢量对应的电子文档进行分类。

10. 发明申请

WO2016057342A1 APPARATUS AND METHOD FOR IDENTIFYING A DOMAIN NAME SYSTEM RESOURCE EXHAUSTION ATTACK 审中-公开
标题翻译：识别域名系统资源排除攻击的装置和方法
公开(公告)号：WO2016057342A1
公开(公告)日：2016-04-14
申请号：PCT/US2015/053823
申请日：2015-10-02
申请人： CLOUDMARK, INC.
发明人： COOK, Neil , LEMARIE, Olivier , LEHMANN, Aaron Alexander
IPC分类号： G06F21/56
CPC分类号： H04L63/1416 , H04L61/1511 , H04L63/1408 , H04L63/1425 , H04L63/1441 , H04L63/1458 , H04L2463/142 , H04L2463/144
摘要： A machine includes a processor and a memory connected to the processor. The memory stores instructions executed by the processor to identify a resource attack in response to spikes in the number of unique subdomains being queried and spikes in the number of timeouts or delayed responses from a specified name server.
摘要翻译：机器包括处理器和连接到处理器的存储器。存储器存储处理器执行的指令，以响应正被查询的唯一子域的数量和来自指定名称服务器的超时次数或延迟响应的峰值的峰值来识别资源攻击。

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