Aidan Simister

Aidan Simister (Chief Executive Officer) linkedin

Having worked in the IT industry for a little over 22 years in various capacities, Aidan is a veteran in the field. Specifically, Aidan knows how to build global teams for security and compliance vendors, often from a standing start. After joining Lepide in 2015, Aidan has helped contribute to the accelerated growth in the US and European markets.

What CISOs Need to know About AI usage Risks in the workplace

March 27, 2026, Data Security
AI isn’t the root problem in workplace security, it exposes pre-existing vulnerabilities in access controls… Read More

Why 80% of Active Directory Environments Fail Penetration Tests

March 19, 2026, Active Directory
Active Directory remains the backbone of enterprise identity infrastructure, yet a staggering 70-80% of organizations… Read More

What’s New in Lepide Data Security Platform 26.1

February 26, 2026, Data Security
Over the years, Security teams have made considerable investments into their visibility. Most organizations are… Read More

How Poor Role Management Creates Excessive Risk

January 12, 2026, Access Management
Role-Based Access Control (RBAC) is the core of modern identity and access management (IAM). In… Read More

How AI Transformed Threat Detection and Identity Security in 2025

January 6, 2026, General Cybersecurity
Identity has evolved into the new perimeter and the primary attack surface. When an attacker… Read More

Insider Poll: Security Teams’ Bold Bets for 2026 Revealed

December 9, 2025, Active Directory
We recently ran a survey with one question; which initiative is your IT/Security team prioritizing… Read More
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