Alsid has raised $17.0M in total across 2 funding rounds.
Alsid's investors include 360 Capital Partners, Axeleo Capital.
Alsid is a Paris-based cybersecurity company specializing in Active Directory (AD) security, offering automated solutions like Alsid for AD Prevent and Alsid for AD Detect to uncover vulnerabilities, prevent lateral movement, and detect sophisticated attacks in real time.[1][2][3] It serves enterprises and large organizations facing modern cyber threats, solving the critical problem of AD misconfigurations and attacks—such as DCShadow, Brute Force, and DCSync—that enable privilege escalation and business disruption, with rapid deployment (e.g., 14 days for VINCI Energies) and agentless monitoring via web interfaces and SIEM integrations.[1][3] Founded in 2016 as a hypergrowth firm, Alsid scaled to a 100-person team with global reach before its acquisition by Tenable, emphasizing proactive defense of AD as the "battlefield" against adversaries.[2]
Alsid was founded in 2016 by security experts, including co-founder and CEO Emmanuel Gras, who were former incident responders at the French National Cybersecurity Agency (ANSSI).[1][2] Drawing from years of field experience thwarting real-world attacks, the founders targeted Active Directory—the pivotal system on adversaries' critical paths—after recognizing its vulnerabilities in enterprise environments.[2] Early traction came from pragmatic, efficient solutions that provided instant relief for AD security, as demonstrated by quick implementations like VINCI Energies' 14-day deployment, enabling continuous monitoring with minimal staff.[1] This expertise-driven origin fueled hypergrowth, building a collaborative team of "security addicts" exchanging insights with partners.[1][2]
Alsid rides the surging demand for Active Directory security amid rising ransomware and lateral movement attacks targeting enterprise identity systems, a trend amplified by hybrid work and cloud migrations exposing legacy AD flaws.[1][2][3] Its timing aligns with global cyber threats, where AD serves as a single point of failure for most organizations, making proactive, real-time tools essential as traditional SIEMs falter on stealthy tactics.[3] Market forces like regulatory pressures (e.g., GDPR, NIST) and high-profile breaches favor Alsid's efficient, scalable solutions, influencing the ecosystem by setting benchmarks for AD-specific defense and expanding to regions like Asia post-acquisition by Tenable.[1][2]
Post-acquisition by Tenable, Alsid's AD-focused innovations will likely integrate into broader exposure management platforms, accelerating global adoption and feature enhancements driven by customer needs.[1][2] Trends like AI-enhanced threats and zero-trust architectures will shape its path, positioning it to dominate AD protection as enterprises prioritize identity resilience. Its influence may evolve from standalone disruptor to core Tenable pillar, redefining proactive cybersecurity and delivering sustained "pain relief" for AD vulnerabilities worldwide—proving that defending this battlefield wins the cyberwar.[2]
Alsid has raised $17.0M across 2 funding rounds. Most recently, it raised $15.0M Series A in April 2019.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Apr 1, 2019 | $15.0M Series A | 360 Capital Partners, Axeleo Capital | |
| Sep 1, 2017 | $2.0M Seed | 360 Capital Partners, Axeleo Capital |
