Ryan Steward
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Ryan Steward Email & Phone Number

Bug Bounty Hunter. Top 100 in Bugcrowd. Top 1% in Hackerone. 5 times Microsoft hall of Fame. Helping companies to protect their assets. at Cobalt
Location: Cambridge, England, United Kingdom 2 work roles
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✓ Verified May 2026 2 data sources Profile completeness 71%

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Current company
Cobalt
Role
Bug Bounty Hunter. Top 100 in Bugcrowd. Top 1% in Hackerone. 5 times Microsoft hall of Fame. Helping companies to protect their assets.
Location
Cambridge, England, United Kingdom
Company size
71 employees

Who is Ryan Steward? Overview

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Quick answer

Ryan Steward is listed as Bug Bounty Hunter. Top 100 in Bugcrowd. Top 1% in Hackerone. 5 times Microsoft hall of Fame. Helping companies to protect their assets. at Cobalt, a company with 71 employees, based in Cambridge, England, United Kingdom. AeroLeads shows a matched LinkedIn profile for Ryan Steward.

Ryan Steward previously worked as Freelance at Cobalt and Security Consultant at Ey.

Company email context

Email format at Cobalt

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Cobalt

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Profile bio

About Ryan Steward

Ryan Steward is a Bug Bounty Hunter. Top 100 in Bugcrowd. Top 1% in Hackerone. 5 times Microsoft hall of Fame. Helping companies to protect their assets. at Cobalt.

Current workplace

Ryan Steward's current company

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Cobalt
Cobalt
Bug Bounty Hunter. Top 100 in Bugcrowd. Top 1% in Hackerone. 5 times Microsoft hall of Fame. Helping companies to protect their assets.
san francisco, california, united states
Website
cobalt.io
Employees
71
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2 roles

Ryan Steward work experience

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Freelance

Current
Cobalt
May 2017 - Present

Security Consultant

Ey
Jan 2011 - Apr 2017
Team & coworkers

Colleagues at Cobalt

Other employees you can reach at cobalt.io. View company contacts for 71 employees →

SH Starlette Hunter Starlette Hunter Colleague at Cobalt Southington, Connecticut, United States, United States View → AC Angelica Cocoletzi Angelica Cocoletzi Colleague at Cobalt Apizaco, Tlaxcala, Mexico, Mexico View → BM Benjamin Mugge Benjamin Mugge Colleague at Cobalt Austin, Texas, United States, United States View → RB Rahma Babur Rahma Babur Colleague at Cobalt London, England, United Kingdom, United Kingdom View → KF Kieran Frost Kieran Frost Colleague at Cobalt Raleigh-Durham-Chapel Hill Area, United States View → SC Shubham Chaskar Shubham Chaskar Colleague at Cobalt Pune, Maharashtra, India, India View → PG Prateek Gupta Prateek Gupta Colleague at Cobalt Berlin Metropolitan Area, Germany View → NH Noelle Hori Noelle Hori Colleague at Cobalt Portland, Oregon, United States, United States View → ER Edward Rojas Edward Rojas Colleague at Cobalt Washington, District Of Columbia, United States, United States View → MS Mikael Santana Mikael Santana Colleague at Cobalt Capão Bonito, São Paulo, Brazil, Brazil View →
FAQ

Frequently asked questions about Ryan Steward

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

What company does Ryan Steward work for?

Ryan Steward works for Cobalt.

What is Ryan Steward's role at Cobalt?

Ryan Steward is listed as Bug Bounty Hunter. Top 100 in Bugcrowd. Top 1% in Hackerone. 5 times Microsoft hall of Fame. Helping companies to protect their assets. at Cobalt.

Where is Ryan Steward based?

Ryan Steward is based in Cambridge, England, United Kingdom while working with Cobalt.

What companies has Ryan Steward worked for?

Ryan Steward has worked for Cobalt and Ey.

Who are Ryan Steward's colleagues at Cobalt?

Ryan Steward's colleagues at Cobalt include Starlette Hunter, Angelica Cocoletzi, Benjamin Mugge, Rahma Babur, and Kieran Frost.

How can I contact Ryan Steward?

You can use AeroLeads to view verified contact signals for Ryan Steward at Cobalt, including work email, phone, and LinkedIn data when available.

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