Updated Apr 22, 2026
Score 30
Alsid logo

Alsid

Ranked #514 of 1,000+ cybersecurity companies
Profile
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Overview

Acquired By
Tenable
Website
Legal Name
Alsid SAS
Founded
2016
Crunchbase Rank
#104069
Also Known As
Alsid SAS

Alsid provides an agentless, easy-to-deploy Active Directory security platform that continuously monitors directory infrastructures to identify and remediate weaknesses, harden against future threats, and detect and respond to attacks in real time with intelligence- and machine learning–driven guidance, delivering cost- and time-effective protection for corporate networks.

Industries
Computer and Network Security
Type
Partnership

Company Size

Employees
 
14
Range11–50 employees
110K+

Affiliated Organizations

TenableAffiliate

Similar Organizations

TenableSymbiotic SecurityFormanceCymptom (Acquired by Tenable)IndegyHarfangLabSekoia.ioPradeoBit Discovery (Acquired by Tenable)Accurics

Headquarters

90 Rue Notre-dame DE Nazareth, 75003 Paris, France

Followers

 
8,099

Press Coverage

DateArticlePublisher
Apr 28, 2021Tenable Finalizes Alsid Acquisition, Launches Active Directory Security SolutionMSSP Alert
Feb 11, 2021Tenable acquires Alsid to provide users with a more complete approach to cyber preparednessHelp Net Security
Feb 10, 2021Tenable Announces Intent to Acquire AlsidAiThority
Feb 10, 2021Tenable acquires Alsid for $98M to secure enterprises’ Active Directory deploymentsSiliconANGLE
Feb 10, 2021Tenable to buy Alsid for $98mPE Hub
Feb 12, 2019Alsid expands in AsiaDigital News Asia

Specialties

Directory infrastructure Threat ProtectionCorporate network Security and IntelligenceAdaptive DefenseCyber Security

Categories

Cyber SecurityInformation TechnologySecurity

Event Appearances

2 events · 2 exhibitor
Infosecurity Europe 2019
Jun 4, 2019·Exhibitor
RSA Conference 2018
Apr 16, 2018·Exhibitor

Product

NameDescription
Tenable Identity ExposureA security platform that continuously scans Active Directory and Entra ID environments for weaknesses, misconfigurations, and identity-based attack paths, providing real-time alerts and remediation guidance.
Tenable OneAn AI-powered exposure management platform that unifies security visibility and action across various environments to identify and close cyber risk gaps.