Laszlo Zahoranszky

Security Specialist at SIX Payment Services
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Contact Information
us****@****om
(386) 825-5501
Location
Zurich, Switzerland, CH
Languages
  • English Full professional proficiency
  • German Limited working proficiency
  • Hungarian Native or bilingual proficiency

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Credentials

  • Cybersecurity: Technology, Application and Policy
    MIT Professional Education
    Jun, 2018
    - Oct, 2024
  • Certified Information Systems Security Professional (CISSP)
    (ISC)²
    May, 2019
    - Oct, 2024

Experience

  • Worldline Switzerland
    • Switzerland
    • Financial Services
    • 300 - 400 Employee
    • Security Specialist
      • Apr 2019 - Present

      Security of digital payment processingDevelopment of HSM function module, message dispatcher andonline key management systemDevOps - Java - C# - C - HSM - ASN.1 - CMS - X509 - PCI DSS, PIN, P2PE - PKI - ELK Stack - Reactive Streams - BouncyCastle - Spring Boot - Angular - Typescript - Python - IntelliJ - VS 2019 - Wireshark - FIS INQ - Mockito - Gatling - Maven - Jira - Jenkins - Confluence - SSH - Git - AsciiDoc - Powershell Security of digital payment processingDevelopment of HSM function module, message dispatcher andonline key management systemDevOps - Java - C# - C - HSM - ASN.1 - CMS - X509 - PCI DSS, PIN, P2PE - PKI - ELK Stack - Reactive Streams - BouncyCastle - Spring Boot - Angular - Typescript - Python - IntelliJ - VS 2019 - Wireshark - FIS INQ - Mockito - Gatling - Maven - Jira - Jenkins - Confluence - SSH - Git - AsciiDoc - Powershell

  • Mettler-Toledo International, Inc
    • Switzerland
    • Appliances, Electrical, and Electronics Manufacturing
    • 700 & Above Employee
    • Senior Software Developer
      • Mar 2017 - Apr 2019

      High precision micro balances in integrated laboratory environmentSecure network communicationAES ciphers - RSA encryption - Wireshark - SMB - TCP/IP - .NET CE - C# - C++ - Win10 IoT - UWP - WCF - WPF - Enterprise Architect - Git - Remote debugging - PowerShell - WEC7 - Bluetooth - RS232 - USB - Visual Studio - TFS - LogExpert High precision micro balances in integrated laboratory environmentSecure network communicationAES ciphers - RSA encryption - Wireshark - SMB - TCP/IP - .NET CE - C# - C++ - Win10 IoT - UWP - WCF - WPF - Enterprise Architect - Git - Remote debugging - PowerShell - WEC7 - Bluetooth - RS232 - USB - Visual Studio - TFS - LogExpert

  • Varian
    • United States
    • Medical Device
    • 700 & Above Employee
    • Software Engineer Technical Lead and Architect
      • Aug 2013 - Mar 2017

      Radio therapy CAD, Treatment Delivery Management systemSecurity of REST services, system designOpenID - Oauth2.0 - HTTPS - Wireshark - Kali Linux - Metasploit - C# - .NET - WCF - ASP.NET WebAPI - SignalR - Protobuf - WPF - DICOM - MergeCOM - Git - CI - Visual Studio - Enterprise Architect - MS SQL - VMWare - MS Azure Radio therapy CAD, Treatment Delivery Management systemSecurity of REST services, system designOpenID - Oauth2.0 - HTTPS - Wireshark - Kali Linux - Metasploit - C# - .NET - WCF - ASP.NET WebAPI - SignalR - Protobuf - WPF - DICOM - MergeCOM - Git - CI - Visual Studio - Enterprise Architect - MS SQL - VMWare - MS Azure

  • Siemens Healthineers
    • Software Developer (2008-2011) / Software Architect (2011-2013)
      • Nov 2008 - Jul 2013

      Advanced 2D/3D medical diagnostic imaging applicationsShared user management and interoperability between applications SAML - Wireshark - C# - C++ - DICOM - HL7 - CCOW - .NET - WCF - Active Directory WPF - MSTest - Moq - TFS - ClearClase - CI - Visual Studio - Enterprise Architect - MS SQL - VMWare -Design Patterns - Windows Server Advanced 2D/3D medical diagnostic imaging applicationsShared user management and interoperability between applications SAML - Wireshark - C# - C++ - DICOM - HL7 - CCOW - .NET - WCF - Active Directory WPF - MSTest - Moq - TFS - ClearClase - CI - Visual Studio - Enterprise Architect - MS SQL - VMWare -Design Patterns - Windows Server

  • SEARCH-LAB Ltd
    • Hungary
    • Computer and Network Security
    • 1 - 100 Employee
    • Internship
      • Jan 2008 - Jun 2008

      Analysis of 300+ CVEs to improve security fuzz testing algorithm C++ - Flinder Search-lab Analysis of 300+ CVEs to improve security fuzz testing algorithm C++ - Flinder Search-lab

  • Delta informatics Zrt
    • Internship
      • Sep 2007 - Jan 2008

      - Implementation of a new clustering algorithmC++ • Enterprise architect • Visual Studio Express • ZedGraph • SVN • clustering algorithms - Implementation of a new clustering algorithmC++ • Enterprise architect • Visual Studio Express • ZedGraph • SVN • clustering algorithms

  • Webgarden Ltd
    • Technical Lead
      • Oct 2005 - Jan 2007

      - Responsible for Adobe Flash frontend applications integrating with PHP backend- Taking part in various projects like booking systems, e-learning materials, etc.PHP4 • Flash ActionScript • JavaScript • XML • XSLT • CSS • SVN • HTML • Adobe Flash Processional - Responsible for Adobe Flash frontend applications integrating with PHP backend- Taking part in various projects like booking systems, e-learning materials, etc.PHP4 • Flash ActionScript • JavaScript • XML • XSLT • CSS • SVN • HTML • Adobe Flash Processional

Education

  • Budapest University of Technology and Economics
    Master of Science (MSc), Computer Software Engineering
    2002 - 2008

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