Patents by Inventor ULRICH FLEGEL

ULRICH FLEGEL has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Detecting anomalous user activity
    Patent number: 9710857
    Abstract: Systems, methods and articles for determining anomalous user activity are disclosed. Data representing a transaction activity corresponding to a plurality of user transactions can be received and user transactions can be grouped according to types of user transactions. The transaction activity can be determined to be anomalous in relation to the grouped user transactions based on a predetermined parameter.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: July 18, 2017
    Assignee: SAP SE
    Inventors: Ulrich Flegel, Shane Bracher, Pascal Hochwarth, Hermann Resch, Paola Sala, Stephan Wollny, Hua Wang, Andrew Clark, George Mohay, Roheena Khan, Malcolm Corney
  • Detecting Anomalous User Activity
    Publication number: 20120130724
    Abstract: Systems, methods and articles for determining anomalous user activity are disclosed. Data representing a transaction activity corresponding to a plurality of user transactions can be received and user transactions can be grouped according to types of user transactions. The transaction activity can be determined to be anomalous in relation to the grouped user transactions based on a predetermined parameter.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 24, 2012
    Inventors: Ulrich Flegel, Shane Bracher, Pascal Hochwarth, Hermann Resch, Paola Sala, Stephan Wollny, Hua Wang, Andrew Clark, George Mohay, Roheena Khan, Malcolm Corney
  • PRIVACY AND CONFIDENTIALITY PRESERVING MAPPING REPOSITORY FOR MAPPING REUSE
    Publication number: 20100262836
    Abstract: Described herein are systems and methods for importing and retrieving schema mappings while preserving privacy and confidentiality so that existing mappings can be reused across different customers without allowing reverse engineering of the original schemas. The disclosed embodiments provide different levels of mapping anonymity and correspondingly, available structural information in the retrieved mappings, in accordance with the security and privacy requirements.
    Type: Application
    Filed: April 13, 2009
    Publication date: October 14, 2010
    Inventors: ERIC PEUKERT, Ulrich Flegel, Gregor Hackenbroich, Philip Miseldine
  • METHOD AND SYSTEM FOR INVALIDATION OF CRYPTOGRAPHIC SHARES IN COMPUTER SYSTEMS
    Publication number: 20100131752
    Abstract: A system and method to encrypt events using a secret to serve as a key according to a secret sharing algorithm is described. In one embodiment, the key is split into shares that are distributed to an event recipient. In one embodiment, one or more shares of the key are invalidated to protect data in the encrypted event.
    Type: Application
    Filed: November 26, 2008
    Publication date: May 27, 2010
    Inventor: ULRICH FLEGEL