Reddit, Inc.

Leading Reddit's software security team which focuses on AppSec, ProdSec, and a secure by default developer experience.

Head of Software Security

I'm designing and implementing security systems into all facets of Reddit's business. Protecting our company's employees and our website's users is my team's main focus.

Principal Security Architect

Aviso Ventures

Limited Partner

Bank of America

A senior security leader responsible for a large team, focused on Infrastructure Security Testing.
Responsibilities have included:

Management of our Vulnerability Scanning program continuously scanning millions of endpoints and thousands of web applications,
Enterprise Remediation Governance - partnering with our infrastructure owners to remediate vulnerabilities within given SLAs,
Management of our baseline compliance monitoring program, and
Management of our Internet Hygiene and perimeter analysis.

Previously led our cloud, container, and DevOps security programs for a hybrid, multi-cloud architecture.

SVP, Sr Security Manager, Cyber Security Defense

If it's a Cloud, Containerization, or DevOps initiative it's on my desk.

My job to work with all security control owners to operationalize their control in all major public cloud providers and Kubernetes or OpenShift environments.

SVP, Cyber Security Technology - Cloud Security Architect

Liquidmatrix Security Digest

- Write articles about current events in the security world and my personal take on them.
- Host a weekly podcast about current events in the security industry.

Writer & Podcast Co-Host

Goldman Sachs

- One of 3 CISOs of consumer facing divisions at Goldman. (Honest Dollar, Marcus, and GS Bank)

Vice President

Honest Dollar

Acting CISO, built an Information Security program from the ground up at a Financial Tech startup.
- Build secure SDLC, testing, and monitoring around a FinTech application running in Google Cloud on Kubernetes hosting a ReactJS, Go, iOS/Android application and backend financial connections.
- Manage creation and maintenance of policies
- Prove secure foundations during acquisition due diligence by Goldman Sachs

Head of Security [ Acquired by Goldman Sachs NYSE: GS ]

WhiteHat Security

Transitioned out of people management for my last stint at WhiteHat and really focused on industry leadership, sales enablement, content creation, partnership building, and new product launches.

This includes but is not limited to:
- Remediation Assistance & Guidance
- Secure Development Training
- Risk Based Vulnerability Prioritization
- SDLC Architecture Review
- AppSec Program Building
- Asset Discovery

Launched and co-hosted a weekly video podcast, entitled HackerKast, with the Founder of WhiteHat Security, Jeremiah Grossman, and VP of WhiteHat Labs, Robert "RSnake" Hansen.

Director, Security Services & Research

Started and built Whitehat’s first satellite office - focusing on hiring dozens of new security engineers in Houston while maintaining the Silicon Valley SaaS startup culture. Took the team from 0-65+

Hired, trained, and managed the team and helped handle WhiteHat’s exploding customer base which went from a few hundred websites to tens of thousands during this period.

Launched our new product lines beyond our bread and butter web app security testing which included Static Code Analysis and other early development lifecycle integrations to better address the DevOps movement.

Acting figurehead representing WhiteHat Security at many local and national security events presenting on his technical security research as well as emerging threats and trends in the web application security field. (mattjay.github.io/talks)

Sr. Manager, Threat Research Center

- Lead a team of application security testers and engineers

Threat Research Center Supervisor

Web Application penetration tester for the Threat Research Center at WhiteHat Security responsible for identification of security vulnerabilities across tens of thousands of web applications.

Application Security Specialist

San Jose State University

- Taught the web application security section of a undergraduate level class on information security.

Instructor

Adelphi University

- Taught the web application security section of a undergraduate senior seminar on information security.

VerSprite, LLC

Security Consultant

Over the last two decades, I’ve helped make hundreds of organizations more secure.

My mission is to leave the Internet a more secure place than I found it.

I’m helping organizations handle billions of users' information securely and increasing brand’s trust among their customers.

I’m currently the Security Architect of Reddit.

My portfolio:

→ I’m the security architect of Reddit where I help design security into all facets of the business for the 4th largest social network in the US and a top 20 most visited website globally
→ I teach company’s how to protect against cyber attacks and save tens of millions of dollars in losses.
→ I coach entrepreneurs and CISOs that need help with infrastructure, application, cloud, and security policies.
→ I advise early-stage companies in cyber security best practices and help pass technical due diligence from investors and potential acquirers.
→ I invest in early-stage private technology companies focusing on cybersecurity, software infrastructure, employee productivity, and B2B/SaaS.
→ I volunteer for a selection of non-profits who’s missions I connect with who wouldn’t otherwise be able to afford technical and specifically security consulting services..

My results:

→ 50,000k+ applications with less vulnerabilities than when I found them
→ 1B+ users data security reliant on systems I designed or secured
→ $100M+ of startup exits using my security due diligence
→ 0 advertisements or cold calls
→ 100% due diligence success rate

If you want to work with me, get in touch:

Email: mattjohansen@proton.me
Twitter: @mattjay

Matt Johansen

Healius Limited

• Provided exceptional customer service and support to clients at Healius Limited, ensuring a positive experience.
• Collaborated with a dynamic team to contribute to the company's mission of making healthcare more accessible and of the highest quality.

Customer Service Specialist

Australian Information Security Association (AISA)

Associate Member 

Woolworths Group

Employee

V4 Services Group

IT Support Specialist | Cybersecurity and Cloud Solutions

• Desktop and Laptop Management: Managed desktop and laptop imaging processes, provided hardware support, and collaborated with vendors to resolve technical issues efficiently.
• Cybersecurity Solutions: Implemented proactive measures to safeguard organizational data, conducted advanced quarterly health checks, and provided guidance on cybersecurity best practices.
• Cloud Systems Deployment and Support: Oversaw deployment, configuration, and maintenance of cloud-based systems, ensuring compliance with regulations, and providing support to resolve cloud-related issues.
• Backup and Recovery: Ensured the safety of critical data through reliable backup solutions and recovery processes.
• IT Asset Management: Maintained accurate IT asset inventory and ensured all systems were updated and secure.
• Onsite and Remote Assistance: Delivered seamless onsite support, including TV app setups, hardware repair, and maintenance services without call-out fees.
• Proactive System Maintenance: Conducted regular health checks to optimize performance, enhance security, and ensure timely software updates.

By combining technical expertise with proactive solutions, I deliver high-quality IT support while ensuring security and operational excellence.

Information Technology Security Analyst

HackerOne

Freelance

IPP Technologies Pty Ltd

Digital Media Intern

Virtually Testing Foundation

VTF - Penetration Testing Internship

Healius Limited benefits from a customer-centric approach that emphasizes accessible and high-quality healthcare. As part of the team, contributions to operational efficiency and client satisfaction highlight a commitment to excellence in service delivery.  

Currently pursuing a Master of Technology at Western Sydney University, with a focus on technology administration and management. Equipped with a robust academic foundation in computer programming, technical assistance, and customer relationship management, aiming to bridge technology and service to create impactful solutions.

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