AlienVault

Acquired

AlienVault is a cybersecurity company in San Mateo, United States, founded in 2007. It has raised $74.4M across 2 rounds, most recently a $52.0M Series E in August 2015.

Employees
201–500
Founded
2007
Business Model
B2B
Total Funding
$74.4M
Last Round
$52.0M Series EAug 2015
Rounds
2
Acquisition Date
Jul 2018

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 2 funding rounds and 1 investor for this company. The full record is or through the API.

About

Founded in 2007 by Julio Casal and Dominique Karg in San Mateo, California, AlienVault developed the Open Source Security Information and Event Management (OSSIM) platform and its commercial product, the Unified Security Management (USM) platform, which combined asset discovery, vulnerability assessment, intrusion detection, SIEM, and log management in a single solution. The company raised over $60 million across four rounds including a $26.5M Series D, and served thousands of organizations seeking accessible enterprise-grade security monitoring. AT&T completed its acquisition of AlienVault in August 2018, integrating the company into what became AT&T Cybersecurity.

Summary

It lists 201–500 employees. It has raised $74.4M in total across 2 rounds, most recently a $52.0M Series E round in Aug 2015. Investors include Kleiner Perkins.

Tech & App Stack

2 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding & Exit History

Data from Indexed.vcUpdated
AcquisitionAcquisition by AT&TJul 2018

Sign up to see all 3 events

Funding: Series C through Series E. Amounts, valuations, and investors where available.

Investors

Similar Companies

Quest Software Inc.Acquired

Quest Software provides data management, cybersecurity, and platform-modernization technology tha...

Austin, United States1001–5000Cloud, Cybersecurity
Growth EquityTotal funding$5.8BMay 2025
Exclusive NetworksIPO

Exclusive Networks accelerates cybersecurity and cloud-solution partners through global distribut...

Boulogne-Billancourt, France1001–5000Cybersecurity
Private EquityTotal funding$3.7BJan 2024
Bluecoat (Symantec)Acquired

Blue Coat Systems was a network security company providing web filtering and SSL inspection produ...

Sunnyvale, United States1001–5000Cybersecurity
Private EquityTotal funding$3.7BMar 2015
Picnic

Social engineering prevention platform managing the human attack surface for enterprises; rebrand...

Amsterdam, Netherlands11–50Cybersecurity
Growth EquityTotal funding$3.1BNov 2025
PalantirIPO

Palantir Technologies builds data integration and analytics platforms (Gotham and Foundry) for go...

Denver, United States1001–5000Analytics, Artificial Intelligence
Private EquityTotal funding$3.1BJul 2020
Ping IdentityIPO

Enterprise identity security platform providing intelligent identity solutions including single s...

Denver, United States1001–5000Cybersecurity, Identity
Private EquityTotal funding$2.9BOct 2022

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

AlienVault on Indexed.vc
<a href="https://indexed.vc/companies/alienvault"><img src="https://indexed.vc/api/badge/company/alienvault" alt="AlienVault on Indexed.vc" width="260" height="76" /></a>