Alsid

The firm has demonstrated significant growth, securing a €13 million Series A funding round in 2019 to fuel its international expansion and product development. This culminated in its acquisition by Tenable in 2021 for a total purchase price of $98 million in cash, integrating Alsid's expertise into a broader cybersecurity platform. Following the acquisition, the product has been rebranded and is now known as Tenable.ad.

Alsid's core offering is a SaaS-based platform designed to protect against attacks targeting Microsoft's Active Directory, a critical component for managing user permissions and access within most corporate networks. The solution operates without requiring agents or administrative privileges, focusing on a four-pillar approach: identifying and rectifying existing security weaknesses, proactively hardening the AD environment against future threats, detecting attacks in real-time, and enabling swift incident response. It provides a continuous, real-time assessment of the AD's security posture, offering a prioritized list of vulnerabilities with step-by-step remediation plans. The business model targets medium to large enterprises that rely on Active Directory, generating revenue through subscriptions to its security platform.