Triandopoulos; Nikolaos

Patent Applications and Registrations

Patent applications and USPTO patent grants for Triandopoulos; Nikolaos.The latest application filed is for "predefined access policy implementation based on auxiliary information embedded in one-time authentication passcodes".

Company Profile

5.82.7

Triandopoulos; Nikolaos - Arlington MA
Triandopoulos; Nikolaos - Cambridge MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods and apparatus for secret sharing with verifiable reconstruction type Grant 11,115,196 - Triandopoulos , et al. September 7, 2	2021-09-07
Chaff password generation based on distribution-based modifications of base passwords Grant 10,735,403 - Triandopoulos , et al.	2020-08-04
Predefined access policy implementation based on auxiliary information embedded in one-time authentication passcodes Grant 10,673,832 - Bowers , et al.	2020-06-02
Methods and apparatus for private set membership using aggregation for reduced communications Grant 10,635,824 - Triandopoulos , et al.	2020-04-28
Authenticated pattern matching and exact path queries Grant 10,409,845 - Papamanthou , et al. Sept	2019-09-10
Predefined Access Policy Implementation Based on Auxiliary Information Embedded in One-Time Authentication Passcodes App 20190182232 - Bowers; Kevin ; et al.	2019-06-13
Authenticating by labeling Grant 10,263,972 - Bowers , et al.	2019-04-16
Authenticating by labeling Grant 10,229,260 - Bowers , et al.	2019-03-12
Randomizing state transitions for one-time authentication tokens Grant 10,129,249 - Triandopoulos , et al. November 13, 2	2018-11-13
Security alerting system with dynamic buffer size adaption Grant 10,129,027 - Juels , et al. November 13, 2	2018-11-13
Security alerting system with network blockade policy based on alert transmission activity Grant 10,104,104 - Juels , et al. October 16, 2	2018-10-16
Controlling user access to protected resource based on outcome of one-time passcode authentication token and predefined access policy Grant 10,091,204 - Triandopoulos , et al. October 2, 2	2018-10-02
Proactivized threshold password-based secret sharing with flexible key rotation Grant 10,084,596 - Triandopoulos , et al. September 25, 2	2018-09-25
Security-aware single-server passcode verification for one-time authentication tokens Grant 9,967,251 - Triandopoulos , et al. May 8, 2	2018-05-08
Security alerting system with dynamic buffer size adaptation Grant 9,935,770 - Juels , et al. April 3, 2	2018-04-03
Methods and apparatus for generalized password-based secret sharing Grant 9,929,860 - Triandopoulos , et al. March 27, 2	2018-03-27
Forward secure one-time authentication tokens with embedded time hints Grant 9,871,785 - Triandopoulos , et al. January 16, 2	2018-01-16
Methods and apparatus for generating chaff passwords for use in a password-hardening system Grant 9,843,574 - Triandopoulos , et al. December 12, 2	2017-12-12
Access management based on active environment comprising dynamically reconfigurable sets of smart objects Grant 9,817,957 - Molina-Markham , et al. November 14, 2	2017-11-14
Methods and apparatus for password-based secret sharing schemes Grant 9,813,243 - Triandopoulos , et al. November 7, 2	2017-11-07
Distributed proactive password-based secret sharing Grant 9,813,244 - Triandopoulos , et al. November 7, 2	2017-11-07
Recovery mechanism for fault-tolerant split-server passcode verification of one-time authentication tokens Grant 9,749,314 - Triandopoulos , et al. August 29, 2	2017-08-29
Delegatable pseudorandom functions and applications Grant 9,712,320 - Kiayias , et al. July 18, 2	2017-07-18
Secure containers for flexible credential protection in devices Grant 9,703,965 - Robinson , et al. July 11, 2	2017-07-11
Time synchronization solutions for forward-secure one-time authentication tokens Grant 9,654,467 - Juels , et al. May 16, 2	2017-05-16
Methods and apparatus for silent alarm channels using one-time passcode authentication tokens Grant 9,515,989 - Juels , et al. December 6, 2	2016-12-06
Methods and apparatus for generating authenticated error correcting codes Grant 9,496,897 - Triandopoulos , et al. November 15, 2	2016-11-15
Authenticated hierarchical set operations and applications Grant 9,465,874 - Papadopoulos , et al. October 11, 2	2016-10-11
System and method for key material protection on devices using a secret sharing scheme Grant 9,461,821 - Machani , et al. October 4, 2	2016-10-04
Multi-server one-time passcode verification on respective high order and low order passcode portions Grant 9,454,654 - Triandopoulos , et al. September 27, 2	2016-09-27
Protection of a secret on a mobile device using a secret-splitting technique with a fixed user share Grant 9,455,968 - Machani , et al. September 27, 2	2016-09-27
Secure storage and retrieval of data in a database with multiple data classes and multiple data identifiers Grant 9,455,973 - Robinson , et al. September 27, 2	2016-09-27
Subject notification and consent for captured images Grant 9,430,673 - Bowers , et al. August 30, 2	2016-08-30
Security-aware split-server passcode verification for one-time authentication tokens Grant 9,432,360 - Triandopoulos , et al. August 30, 2	2016-08-30
Multi-server passcode verification for one-time authentication tokens with auxiliary channel compatibility Grant 9,407,631 - Triandopoulos , et al. August 2, 2	2016-08-02
Authentication based on user-selected image overlay effects Grant 9,361,447 - Bowers , et al. June 7, 2	2016-06-07
Recovery mechanism for fault-tolerant split-server passcode verification of one-time authentication tokens Grant 9,350,545 - Triandopoulos , et al. May 24, 2	2016-05-24
Server methods and apparatus for processing passcodes generated by configurable one-time authentication tokens Grant 9,294,473 - Juels , et al. March 22, 2	2016-03-22
Cryptographically linking data and authentication identifiers without explicit storage of linkage Grant 9,288,049 - Robinson , et al. March 15, 2	2016-03-15
Configurable one-time authentication tokens with improved resilience to attacks Grant 9,270,655 - Juels , et al. February 23, 2	2016-02-23
Credential recovery with the assistance of trusted entities Grant 9,256,725 - Oprea , et al. February 9, 2	2016-02-09
Event-based data signing via time-based one-time authentication passcodes Grant 9,225,717 - Brainard , et al. December 29, 2	2015-12-29
Methods and apparatus for secure, stealthy and reliable transmission of alert messages from a security alerting system Grant 9,160,539 - Juels , et al. October 13, 2	2015-10-13
Techniques for verifying search results over a distributed collection Grant 9,152,716 - Triandopoulos , et al. October 6, 2	2015-10-06
Credential recovery with the assistance of trusted entities App 20150242616 - Oprea; Alina ; et al.	2015-08-27
Methods and apparatus for authenticating a user using multi-server one-time passcode verification Grant 9,118,661 - Juels , et al. August 25, 2	2015-08-25
Cryptographic accumulators for authenticated hash tables Grant 9,098,725 - Papamanthou , et al. August 4, 2	2015-08-04
Forward secure pseudorandom number generation resilient to forward clock attacks Grant 9,083,515 - van Dijk , et al. July 14, 2	2015-07-14
Authenticated hierarchical set operations and applications Grant 9,049,185 - Papadopoulos , et al. June 2, 2	2015-06-02
Methods and apparatus for fraud detection and remediation in knowledge-based authentication Grant 9,021,553 - Corn , et al. April 28, 2	2015-04-28
Methods and apparatus for knowledge-based authentication using historically-aware questionnaires Grant 9,009,844 - Corn , et al. April 14, 2	2015-04-14
Method and apparatus for generating forward secure pseudorandom numbers Grant 9,008,303 - Juels , et al. April 14, 2	2015-04-14
Techniques for securing a centralized metadata distributed filesystem Grant 8,997,198 - Kelley , et al. March 31, 2	2015-03-31
Methods and apparatus for embedding auxiliary information in one-time passcodes Grant 8,984,609 - Juels , et al. March 17, 2	2015-03-17
Generation of exfiltration-resilient cryptographic keys Grant 8,954,728 - Juels , et al. February 10, 2	2015-02-10
Controlling a soft token running within an electronic apparatus Grant 8,875,263 - van Dijk , et al. October 28, 2	2014-10-28
Cryptographic Accumulators For Authenticated Hash Tables App 20140245006 - Papamanthou; Charalampos ; et al.	2014-08-28
Managing user access with mobile device posture Grant 8,819,769 - van Dijk , et al. August 26, 2	2014-08-26
Variable epoch scheduler for proactive cryptography systems Grant 8,817,988 - Stockton , et al. August 26, 2	2014-08-26
Graph-based approach to deterring persistent security threats Grant 8,813,234 - Bowers , et al. August 19, 2	2014-08-19
Methods and apparatus for secure and reliable transmission of messages over a silent alarm channel Grant 8,788,817 - Juels , et al. July 22, 2	2014-07-22
Detecting soft token copies Grant 8,752,156 - van Dijk , et al. June 10, 2	2014-06-10
Providing authentication codes which include token codes and biometric factors Grant 8,752,146 - van Dijk , et al. June 10, 2	2014-06-10
Cryptographic accumulators for authenticated hash tables Grant 8,726,034 - Papamanthou , et al. May 13, 2	2014-05-13
Scheduling soft token data transmission Grant 8,683,570 - van Dijk , et al. March 25, 2	2014-03-25
Soft token posture assessment Grant 8,683,563 - van Dijk , et al. March 25, 2	2014-03-25
System and method for optimal verification of operations on dynamic sets Grant 8,572,385 - Papamanthou , et al. October 29, 2	2013-10-29
System And Method For Optimal Verification Of Operations On Dynamic Sets App 20120030468 - Papamanthou; Charalampos ; et al.	2012-02-02
Cryptographic Accumulators For Authenticated Hash Tables App 20110225429 - Papamanthou; Charalampos ; et al.	2011-09-15
Efficient content authentication in peer-to-peer networks Grant 7,974,221 - Tamassia , et al. July 5, 2	2011-07-05
Efficient Content Authentication In Peer-To-Peer Networks App 20100110935 - Tamassia; Roberto ; et al.	2010-05-06

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