What is Vulcan's most notable exit?

Vulcan's most notable exit is Cyren, which went public on NASDAQ in July 1999 with a valuation of $230M.

Which sectors does Vulcan focus on for its portfolio companies?

Vulcan has a portfolio company, Cyren, in the Cyber Security sector.

What is the primary sector for Vulcan's exits?

Vulcan's exits are primarily in the Cyber Security sector, as seen with Cyren's IPO.

When was Vulcan's most recent investment round recorded?

Vulcan's most recent recorded investment round was in July 1999.

What type of business model does Vulcan's portfolio company Cyren operate with?

Vulcan's portfolio company Cyren operates with a B2B business model, focusing on cloud-based cybersecurity.

Vulcan

A cyber risk management platform that helps businesses reduce vulnerability and asset risk through measurable and efficient attack surface security.

Venture Capital Active Palo Alto, United States Est. 2018

Last updated 2026-07-20

Acquired by Tenable for $150M, Jan 2025
Raised $34M Series B led by Maor Investments, Nov 2023
Raised $21M Series B led by Dawn Capital, Mar 2021

Portfolio

in our dataset

Rounds participated

Rounds led

Rounds' value

$20.0M

total disclosed, rounds participated

Stages

—

About

Vulcan Cyber is a cybersecurity company that provides a SaaS platform designed to help security teams move beyond raw scan data to actively reduce cyber risk. Their ExposureOS platform offers powerful prioritization, orchestration, and mitigation capabilities to manage and measure organizational cyber risk effectively. It integrates with over 100 security products to consolidate, prioritize, and remediate exposures across the entire technology estate, including cloud, IT, and application attack surfaces. Vulcan Cyber was recognized as a 2019 Gartner Cool Vendor and a finalist for the 2020 RSA Conference Innovation Sandbox.

Portfolio · 1

Cyren

Cloud-based Cybersecurity

1 round $20.0M committed Latest: 1999-07

Investment activity

1 portfolio exit on record.

Portfolio by sector

Cyber Security1

Q&A

What is Vulcan's most notable exit?: Vulcan's most notable exit is Cyren, which went public on NASDAQ in July 1999 with a valuation of $230M.
Which sectors does Vulcan focus on for its portfolio companies?: Vulcan has a portfolio company, Cyren, in the Cyber Security sector.
What is the primary sector for Vulcan's exits?: Vulcan's exits are primarily in the Cyber Security sector, as seen with Cyren's IPO.
When was Vulcan's most recent investment round recorded?: Vulcan's most recent recorded investment round was in July 1999.
What type of business model does Vulcan's portfolio company Cyren operate with?: Vulcan's portfolio company Cyren operates with a B2B business model, focusing on cloud-based cybersecurity.

Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)

Identifiers & details

Founded	2018-5

Acquisitions & public offerings

Acquired by Tenable 2025-01 $150.0M

Radar intelligence

Patents

EPO	2121

Publications (Crossref)

Works	10