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

Atlan Digital

• Leading the reintroduction of contractor-based security consulting, and also focusing on subcontracting and technical investigation work.
• Commercialized Turul GAN (https://turulgan.com) and Turul C2 https://turul.atlan.digital), and driving business growth.

Owner, Research & Consulting Director

R&D spinout: NATO Diana shortlisted 2024 offensive security technology: TurulC2/GAN

Https://turulgan.com

BD. Operations. Technical Leadership. Subcontracting to US/UK based consultancies

Owner, Research Director & Contractor

Assembled global contractor project teams for corporations & produced cutting edge research - the company worked for multiple European stock exchanges, financial services, space and satellite, crypto (eg: https://www.radixdlt.com/blog/rdx-works-partnered-with-atlan-digital-for-security-assessment) fielding some of the best European  expert level contractors cross domain.

Founder

Carpathian Technical Alliance

Systems Thinking & Dynamics Modelling: Geothermal

KPMG UK

xBEST, code review, tool & capability development. Advanced Malware development (C++, Csharp, Python, x86-64), team technical SME

UK, France, Saudi Arabia

Technical Manager - CDS (Cyber Defence Services)

Hunnic Cyber Limited

Red Team, Code Review, Tooling Development, Appsec, ML dev and Logical Auditing (SharpML, early malware GAN, Coronavirus ML model presales)

UK, Saudi, UAE, Luxembourg

taplio

The Battle

Matt Johansen

Tom Kallo

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