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Matt Johansen Email & Phone Number

Helping Secure the Internet at Vulnerable U
Location: Austin, Texas, United States 22 work roles 2 schools
1 work email found @reddit.com 3 phones found area 903 and 855 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email m****@reddit.com
Direct phone (903) ***-****
LinkedIn Profile matched
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Current company
Role
Helping Secure the Internet
Location
Austin, Texas, United States

Who is Matt Johansen? Overview

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Quick answer

Matt Johansen is listed as Helping Secure the Internet at Vulnerable U, based in Austin, Texas, United States. AeroLeads shows a work email signal at reddit.com, phone signal with area code 903, 855, and a matched LinkedIn profile for Matt Johansen.

Matt Johansen previously worked as Founder at Vulnerable U and Limited Partner at Aviso Ventures. Matt Johansen holds Bs, Computer Science from Adelphi University.

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Email format at Vulnerable U

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{first}.{last}@reddit.com
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Profile bio

About Matt Johansen

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 Head of Software Security @ Reddit.I also run a cybersecurity media brand @ Vulnerable U. We run a popular cybersecurity newsletter along with daily social media video content across platforms.We've also built a team @ Vulnerable U to help YOUR company with its tech marketing needs. The team is staffed with experts who can create content for you without the marketing cringe factor. You don't need to teach us to spell Kubernetes. (I'm hiring content creators here if you're looking)My portfolio:→ I’m the head of Software Security at 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:→ Dozens of cybersecurity brands have used my team to GTM and generate high-quality tech leads.→ 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 callsIf you want to work with me, get in touch

Listed skills include Vulnerability Assessment, Information Security, Penetration Testing, Computer Security, and 46 others.

Current workplace

Matt Johansen's current company

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Vulnerable U
Vulnerable U
Helping Secure the Internet
AeroLeads page
22 roles

Matt Johansen work experience

A career timeline built from the work history available for this profile.

Founder

Current

Founder and Operator of Vulnerable U, a podcast, newsletter, and overall cybersecurity media brand across platforms.- Curate, write, and produce weekly infosec related content for a large audience- Help cybersecurity companies with their go-to-market strategy and content marketing

Mar 2023 - Present

Head Of Software Security

San Francisco, California, Us

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

Oct 2023 - Nov 2024

Principal Security Architect

San Francisco, California, Us

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.

Dec 2021 - Oct 2023

Svp, Sr Security Manager, Cyber Security Defense

Charlotte, Nc, Us

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, andManagement of our Internet Hygiene and perimeter analysis.Previously led our cloud, container, and DevOps security programs for a hybrid, multi-cloud architecture.

Mar 2018 - Dec 2021

Svp, Cyber Security Technology - Cloud Security Architect

Charlotte, Nc, Us

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.

May 2017 - Mar 2018

Writer & Podcast Co-Host

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.

Mar 2009 - Feb 2018

Vice President

New York, New York, Us

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

May 2016 - May 2017

Head Of Security [ Acquired By Goldman Sachs Nyse: Gs ]

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

Aug 2015 - May 2017

Director, Security Services & Research

San Jose, California, Us

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 DiscoveryLaunched 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.

Jul 2010 - Aug 2015

Sr. Manager, Threat Research Center

San Jose, California, Us

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)

Oct 2011 - Dec 2014

Threat Research Center Supervisor

San Jose, California, Us

- Lead a team of application security testers and engineers

Jun 2011 - Oct 2011

Application Security Specialist

San Jose, California, Us

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.

Jul 2010 - Jun 2011

Instructor

San Jose, Ca, Us

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

May 2011 - May 2011

Instructor

Garden City, Ny, Us

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

Mar 2011 - Mar 2011

Security Consultant

Atlanta, Ga, Us

Oct 2009 - Jul 2010

Consultant

Push The Stack Consulting
Feb 2009 - Jan 2010

Junior Contracted Consultant

Foreground Security / The Hacker Academy
Jun 2009 - Aug 2009

Data Security Analyst

Centennial, Colorado, Us

Jun 2008 - Dec 2008

Residential Computing Assistant

Garden City, Ny, Us

Sep 2005 - Dec 2007

Computer Technician

West Hempstead Union Free School District
Oct 2003 - Aug 2005
2 education records

Matt Johansen education

Bs, Computer Science

Adelphi University

Gcih, Security 504 - Hacker Techniques, Exploits And Incident Handling

Sans Institute
FAQ

Frequently asked questions about Matt Johansen

Quick answers generated from the profile data available on this page.

What company does Matt Johansen work for?

Matt Johansen works for Vulnerable U.

What is Matt Johansen's role at Vulnerable U?

Matt Johansen is listed as Helping Secure the Internet at Vulnerable U.

What is Matt Johansen's email address?

AeroLeads has found 1 work email signal at @reddit.com for Matt Johansen at Vulnerable U.

What is Matt Johansen's phone number?

AeroLeads has found 3 phone signal(s) with area code 903, 855 for Matt Johansen at Vulnerable U.

Where is Matt Johansen based?

Matt Johansen is based in Austin, Texas, United States while working with Vulnerable U.

What companies has Matt Johansen worked for?

Matt Johansen has worked for Vulnerable U, Aviso Ventures, Reddit, Inc., Bank Of America, and Liquidmatrix Security Digest.

How can I contact Matt Johansen?

You can use AeroLeads to view verified contact signals for Matt Johansen at Vulnerable U, including work email, phone, and LinkedIn data when available.

What schools did Matt Johansen attend?

Matt Johansen holds Bs, Computer Science from Adelphi University.

What skills is Matt Johansen known for?

Matt Johansen is listed with skills including Vulnerability Assessment, Information Security, Penetration Testing, Computer Security, Application Security, Web Application Security, Security, and Network Security.

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