Zulfikar Amin Ramzan

Person

San Mateo, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for retroactively detecting malicious or other...
- Patent number 10,437,997
- Issue date Oct 8, 2019
- Cisco Technology, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for retroactively detecting malicious or other...
- Patent number 9,747,445
- Issue date Aug 29, 2017
- Cisco Technology, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for retroactively detecting malicious or other...
- Patent number 9,639,697
- Issue date May 2, 2017
- Cisco Technology, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for selectively authenticating queries based on...
- Patent number 9,465,921
- Issue date Oct 11, 2016
- Symantec Corporation
- Zulfikar Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for retroactively detecting malicious or other...
- Patent number 9,245,120
- Issue date Jan 26, 2016
- Cisco Technologies, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Using confidence about user intent in a reputation system
- Patent number 9,081,958
- Issue date Jul 14, 2015
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic authentication and/or establishment of shared cryptog...
- Patent number 9,071,598
- Issue date Jun 30, 2015
- NTT DoCoMo, Inc.
- Zulfikar Amin Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Malware detection using file names
- Patent number 9,038,186
- Issue date May 19, 2015
- Symantec Corporation
- Pratyusa K. Manadhata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Using metadata in security tokens to prevent coordinated gaming in...
- Patent number 8,997,190
- Issue date Mar 31, 2015
- Symante Corporation
- Carey Nachenberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for retroactively detecting malicious or other...
- Patent number 8,978,137
- Issue date Mar 10, 2015
- Cisco Technology, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Profiling application usage from application streaming
- Patent number 8,977,764
- Issue date Mar 10, 2015
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for identifying domain name abuse
- Patent number 8,869,269
- Issue date Oct 21, 2014
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for identifying fraudulent websites
- Patent number 8,856,937
- Issue date Oct 7, 2014
- Symantec Corporation
- Candid Wüest
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Filter-based identification of malicious websites
- Patent number 8,850,570
- Issue date Sep 30, 2014
- Symantec Corporation
- Zulfikar Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Provably secure and efficient pseudorandom number generation
- Patent number 8,824,677
- Issue date Sep 2, 2014
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Application streaming and network file system optimization via inte...
- Patent number 8,806,046
- Issue date Aug 12, 2014
- Symantec Corporation
- Sourabh Satish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Application streaming proactive failover
- Patent number 8,799,494
- Issue date Aug 5, 2014
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Individualized time-to-live for reputation scores of computer files
- Patent number 8,800,030
- Issue date Aug 5, 2014
- Symantec Corporation
- Vijay Seshadri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for resolving a cousin domain name to detect w...
- Patent number 8,707,426
- Issue date Apr 22, 2014
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Malware detection using file names
- Patent number 8,621,233
- Issue date Dec 31, 2013
- Symantec Corporation
- Pratyusa K. Manadhata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Using metadata in security tokens to prevent coordinated gaming in...
- Patent number 8,621,654
- Issue date Dec 31, 2013
- Symantec Corporation
- Carey Nachenberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for classifying unknown files/spam based on a u...
- Patent number 8,572,007
- Issue date Oct 29, 2013
- Symantec Corporation
- Pratyusa Manadhata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Decision tree induction that is sensitive to attribute computationa...
- Patent number 8,495,096
- Issue date Jul 23, 2013
- Symantec Corporation
- Shane Pereira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Referrer context identification for remote object links
- Patent number 8,479,284
- Issue date Jul 2, 2013
- Symantec Corporation
- Shaun Cooley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for identifying web attacks
- Patent number 8,434,149
- Issue date Apr 30, 2013
- Symantec Corporation
- Sourabh Satish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for authenticating requests from a client runni...
- Patent number 8,412,952
- Issue date Apr 2, 2013
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Using sequencing and timing information of behavior events in machi...
- Patent number 8,401,982
- Issue date Mar 19, 2013
- Symantec Corporation
- Sourabh Satish
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detecting fraudulent web sites through an obfuscated reporting mech...
- Patent number 8,341,737
- Issue date Dec 25, 2012
- Symantec Corporation
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for efficient certificate revocation
- Patent number 8,321,664
- Issue date Nov 27, 2012
- NTT DoCoMo, Inc.
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure authentication token management
- Patent number 8,312,272
- Issue date Nov 13, 2012
- Symantec Corporation
- Denis Serenyi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...
- Publication number 20170308700
- Publication date Oct 26, 2017
- Cisco Technology, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...
- Publication number 20160098560
- Publication date Apr 7, 2016
- Cisco Technology, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
USING CONFIDENCE ABOUT USER INTENT IN A REPUTATION SYSTEM
- Publication number 20150269379
- Publication date Sep 24, 2015
- Symantec Corporation
- Zulfikar Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...
- Publication number 20150205959
- Publication date Jul 23, 2015
- Cisco Technology, Inc.
- Oliver Friedrichs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Identifying Computing Resource Trajectory
- Publication number 20140188986
- Publication date Jul 3, 2014
- SOURCEFIRE, INC.
- Elias Levy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Retroactively Detecting Malicious or Other...
- Publication number 20140165203
- Publication date Jun 12, 2014
- Oliver FRIEDRICHS
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Using Metadata In Security Tokens to Prevent Coordinated Gaming In...
- Publication number 20140026199
- Publication date Jan 23, 2014
- Symantec Corporation
- Carey Nachenberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...
- Publication number 20130276114
- Publication date Oct 17, 2013
- Oliver FRIEDRICHS
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR SECURE AND SMALL CREDITS FOR VERIFIABLE SE...
- Publication number 20110238542
- Publication date Sep 29, 2011
- Craig B. Gentry
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Individualized Time-to-Live for Reputation Scores of Computer Files
- Publication number 20110067101
- Publication date Mar 17, 2011
- Symantec Corporation
- Vijay Seshadri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Using Metadata In Security Tokens to Prevent Coordinated Gaming In...
- Publication number 20110067086
- Publication date Mar 17, 2011
- Symantec Corporation
- Carey Nachenberg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Using Confidence About User Intent In A Reputation System
- Publication number 20110040825
- Publication date Feb 17, 2011
- Zulfikar Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES
- Publication number 20100287370
- Publication date Nov 11, 2010
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CRYPTOGRAPHIC AUTHENTICATION AND/OR ESTABLISHMENT OF SHARED CRYPTOG...
- Publication number 20100257362
- Publication date Oct 7, 2010
- Zulfikar Amin Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
USE OF MODULAR ROOTS TO PERFORM AUTHENTICATION INCLUDING, BUT NOT L...
- Publication number 20100174904
- Publication date Jul 8, 2010
- NTT DoCoMo, Inc.
- Zulfikar Amin Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
USE OF MODULAR ROOTS TO PERFORM AUTHENTICATION INCLUDING, BUT NOT L...
- Publication number 20100153714
- Publication date Jun 17, 2010
- Zulfikar Amin Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR AUTHENICATION OF DATA STREAMS WITH ADAPTIV...
- Publication number 20100005310
- Publication date Jan 7, 2010
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR EFFICIENT CERTIFICATE REVOCATION
- Publication number 20100005292
- Publication date Jan 7, 2010
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR AUTHENTICATION OF DATA STREAMS WITH ADAPTI...
- Publication number 20100005309
- Publication date Jan 7, 2010
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES
- Publication number 20090287924
- Publication date Nov 19, 2009
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES
- Publication number 20090265547
- Publication date Oct 22, 2009
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES
- Publication number 20090265548
- Publication date Oct 22, 2009
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES
- Publication number 20090259843
- Publication date Oct 15, 2009
- Craig B. Gentry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROVISIONAL SIGNATURE SCHEMES
- Publication number 20090217042
- Publication date Aug 27, 2009
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROVISIONAL SIGNATURE SCHEMES
- Publication number 20090217041
- Publication date Aug 27, 2009
- Zulfikar Ramzan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...
- Publication number 20090193033
- Publication date Jul 30, 2009
- Zulfikar Amin Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...
- Publication number 20090193000
- Publication date Jul 30, 2009
- Zulfikar Amin Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...
- Publication number 20090190751
- Publication date Jul 30, 2009
- Zulfikar Amin Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...
- Publication number 20090190752
- Publication date Jul 30, 2009
- Zulfikar Amin Ramzan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR SECURE AND SMALL CREDITS FOR VERIFIABLE SE...
- Publication number 20090193260
- Publication date Jul 30, 2009
- Craig B. Gentry
- G06 - COMPUTING CALCULATING COUNTING

Zulfikar Amin Ramzan

Person

Patents Grantslast 30 patents

Method and apparatus for retroactively detecting malicious or other...

Method and apparatus for retroactively detecting malicious or other...

Method and apparatus for retroactively detecting malicious or other...

Systems and methods for selectively authenticating queries based on...

Method and apparatus for retroactively detecting malicious or other...

Using confidence about user intent in a reputation system

Cryptographic authentication and/or establishment of shared cryptog...

Malware detection using file names

Using metadata in security tokens to prevent coordinated gaming in...

Method and apparatus for retroactively detecting malicious or other...

Profiling application usage from application streaming

Method and apparatus for identifying domain name abuse

Methods and systems for identifying fraudulent websites

Filter-based identification of malicious websites

Provably secure and efficient pseudorandom number generation

Application streaming and network file system optimization via inte...

Application streaming proactive failover

Individualized time-to-live for reputation scores of computer files

Method and apparatus for resolving a cousin domain name to detect w...

Malware detection using file names

Using metadata in security tokens to prevent coordinated gaming in...

Systems and methods for classifying unknown files/spam based on a u...

Decision tree induction that is sensitive to attribute computationa...

Referrer context identification for remote object links

Method and apparatus for identifying web attacks

Systems and methods for authenticating requests from a client runni...

Using sequencing and timing information of behavior events in machi...

Detecting fraudulent web sites through an obfuscated reporting mech...

Method and apparatus for efficient certificate revocation

Secure authentication token management

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...

METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...

USING CONFIDENCE ABOUT USER INTENT IN A REPUTATION SYSTEM

METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...

Method and Apparatus for Identifying Computing Resource Trajectory

Method and Apparatus for Retroactively Detecting Malicious or Other...

Using Metadata In Security Tokens to Prevent Coordinated Gaming In...

METHOD AND APPARATUS FOR RETROACTIVELY DETECTING MALICIOUS OR OTHER...

METHOD AND APPARATUS FOR SECURE AND SMALL CREDITS FOR VERIFIABLE SE...

Individualized Time-to-Live for Reputation Scores of Computer Files

Using Metadata In Security Tokens to Prevent Coordinated Gaming In...

Using Confidence About User Intent In A Reputation System

REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES

CRYPTOGRAPHIC AUTHENTICATION AND/OR ESTABLISHMENT OF SHARED CRYPTOG...

USE OF MODULAR ROOTS TO PERFORM AUTHENTICATION INCLUDING, BUT NOT L...

USE OF MODULAR ROOTS TO PERFORM AUTHENTICATION INCLUDING, BUT NOT L...

METHOD AND APPARATUS FOR AUTHENICATION OF DATA STREAMS WITH ADAPTIV...

METHOD AND APPARATUS FOR EFFICIENT CERTIFICATE REVOCATION

METHOD AND APPARATUS FOR AUTHENTICATION OF DATA STREAMS WITH ADAPTI...

REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES

REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES

REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES

REVOCATION OF CRYPTOGRAPHIC DIGITAL CERTIFICATES

PROVISIONAL SIGNATURE SCHEMES

PROVISIONAL SIGNATURE SCHEMES

METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...

METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...

METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...

METHOD AND APPARATUS FOR COMMUNICATION EFFICIENT PRIVATE INFORMATIO...

METHOD AND APPARATUS FOR SECURE AND SMALL CREDITS FOR VERIFIABLE SE...