William Ben Embarek

I am William, Hacker of Things, Lover of Keyboards, Sovereign of the Moon.

Resume

William Ben Embarek

Experience

Pentester - TDC NET 2023-Present

Secured critical infrastructure, including mobile networks, Windows and Linux servers, and mobile devices. Conducted penetration testing and red teaming using tools such as Burp Suite, Drozer, Metasploit. Emulated Mitre ATT&CK TTP’s. Lead initiatives such as External Asset Mapping, Online Presence Assessments for executive leadership setting up an internal test mobile network, Infrastructure maintainence with Ansible. Provided in-depth security feedback to development teams and mentored junior staff. Certified OSCP, pursuing OSCE3.

Security Specialist - WithSecure : 2022-2023

Delivered a wide range of security assessments across industries, specializing in Application Security, Network Security, and Red Teaming. Performed assessments on websites, mobile, and desktop applications, as well as code reviews. Contributed to the sales process through project scoping and led marketing initiatives within the Danish cybersecurity community, including university outreach. Mentored new employees and assumed additional responsibilities during my manager’s paternity leave. Played a key role in reviving the Drozer project, ensuring it now receives regular updates and enhancements.

Student Application Security Engineer - Tradeshift : 2020-2022

Ensured a high security maturity level across the organization. Responsibilities included Bug Bounty triage, security monitoring and alerting, pull request reviews, log reviews, and developer training. Developed and audited internal tools, including custom static code analysis rules and internal portals.Ensured a high security maturity level across the organization. Responsibilities included Bug Bounty triage, security monitoring and alerting, pull request reviews, log reviews, and developer training. Developed and audited internal tools, including custom static code analysis rules and internal portals.

Student Emerging Technologies Developer - Tradeshift: 2019-2020

Built infrastructure to manage internal short-term projects on AWS. Developed Solidity smart contracts and Hyperledger Chain-code for supply chain tracing. Initiated and led optimization projects on internal customer data practices, based on global ISO standards, which influenced several product developments.Built infrastructure to manage internal short-term projects on AWS. Developed Solidity smart contracts and Hyperledger Chain-code for supply chain tracing. Initiated and led optimization projects on internal customer data practices, based on global ISO standards, which influenced several product developments.

Student Developer - Tradeshift: 2018-2019

Developed services to automate system access management, team memberships, and QA processes within a large engineering organization. Built tools for information collection, release announcements, and metrics related to service health. Promoted the use of monitoring and QA tools, while gathering feedback from global development teams for prioritization. Worked closely with engineering leadership to align initiatives and ensure effective communication across teams.Developed services to automate system access management, team memberships, and QA processes within a large engineering organization. Built tools for information collection, release announcements, and metrics related to service health. Promoted the use of monitoring and QA tools, while gathering feedback from global development teams for prioritization. Worked closely with engineering leadership to align initiatives and ensure effective communication across teams.

Chairman of The Board - K-Net : 2017-2021

Chairman roles included budget management, group organizational, primary legal contact for external parties, project management of operations group.

Volunteer Network Administrator - Nybrogaard Kollegiet : 2016-2020

Network and website administration, development of new features on the nybro.dk website. Deployment of network monitoring systems. Deployment of new Wifi Solution to support 500+ concurrent users

Sysadmin / Devops - Appstract 2017-2018

Took SME consulting company from basically having little to no IT Infrastructure to having a gigabit network, proper wireless coverage, local and Azure AD, Proper Development server infrastructure, creation of secure GPO policies.

Education

2019-2022
MSc, Computer Science; Denmarks Technical University

MSc Thesis title: Memory optimization in Kubernetes virtual clusters

Course focus on cybersecurity, ethical hacking, cryptography, IoT

2016-2019
BSc, Network Technologies and IT; Denmarks Technical University

BSc Thesis Title: A Blockchain-Based Approach to Distributed LoRa Message Passing

Course focus on networking, telecommunications and cybersecurity

2012-2016
International Baccalaureate; International School of Geneva

Other

CTF Player : Kalmar unionen

CTF player with one of worlds best CTF Teams (Nr 1. globally 2024, Nr 3. Globally 2023)

  • Notable Wins and Placements:
  • Google CTF 2024 - 1st Place
  • Defcon CTF 2023 - 6th Place
  • ASIS CTF Finals 2023 - 1st Place
  • HXP CTF 2022 - 3rd Place

Apart from competing I’ve also been responsible for holding internal training regarding mobile security as well as dynamic instrumentation. As well as organizing physical meetups, cabin trips, and trips abroad for events.

Languages

  • English - Fluent
  • Danish - Fluent
  • French - High level