Immunio
AcquiredFounded 2013 · 2 known investors
Montreal-based application security company whose product detected and alerted on attacks against web applications.
Also known as IMMUNIO
Investors · 2
Company profile
researched Aug 2026Immunio (IMMUNIO) was a Montreal, Canada-based application security company founded in 2013 by Zaid Al Hamami and Mike Milner. Its product was aimed at securing web applications against attackers, with an emphasis on alerting users when significant security events were triggered so that threats could be handled proactively.
The company maintained a public GitHub organization containing security-related engineering work, including an XSS fuzzer tool, a demonstration application and exploit for the Apache Struts 2 vulnerability CVE-2017-5638, a fork of the OWASP RailsGoat deliberately vulnerable Rails application, a fork of the Cequel Ruby ORM for Cassandra, and a copy of Apache JSPWiki with a branch adding Immunio instrumentation. The Java, Ruby, Python and JavaScript languages represented across these repositories, and the JSPWiki integration branch, indicate agent-style integration with web application runtimes. Public repository activity ran from 2015 through September 2017.
Founding story
Immunio was founded in 2013 by Zaid Al Hamami and Mike Milner in Montreal, Canada.
Business model
Immunio supplied an application security product to organizations running web applications, positioned around real-time detection and alerting on security events affecting those applications.
▸Full profile — technology, go-to-market, geography, history
Technology
Web application security tooling with runtime integration into application frameworks; the company published open-source work including an XSS fuzzer, an Apache Struts 2 CVE-2017-5638 demo exploit, and a JSPWiki build with an Immunio-enabled branch, spanning Java, Ruby, Python and JavaScript.
Go-to-market
Organizations operating web applications that require runtime protection and alerting on security events.
Geography
Headquartered in Montreal, Canada, with backing from investors based in Europe and North America.
History
The company was founded in 2013 by Zaid Al Hamami and Mike Milner and was headquartered in Montreal, Canada. Hoxton Ventures invested in 2013 through Hoxton Fund I, with Rob Kniaz as the partner on the deal. A $5 million Series A round led by White Star Capital was subsequently reported. Hoxton Ventures lists the company as acquired.
Compiled by commissioned research from 3 cited public sources — announcements, filings, and press listed under research sources below.
Timeline · 1
launches, deals, and filingsImmunio raised a $5 million Series A round led by White Star Capital.
$5M source ↗
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 3
primary sources listed
- IMMUNIO · GitHubgithub.com · web
3 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Immunio do?
- Montreal-based application security company whose product detected and alerted on attacks against web applications.
- Who are Immunio's investors?
- Immunio's investors include Hoxton Ventures, White Star Capital.