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.

Why Weak Password Policies Expose Organizations to Breaches

October 16, 2025, Data Security
Poorly designed password policies are not just an irritation to IT, . they create an… Read More

How to Prevent Data Breaches from Insider Threats

October 6, 2025, Data Security
Insider threats, which can be malicious, negligent, or compromised, pose a unique risk as they… Read More

Building Better Password Policies in AD: From Complexity to MFA

August 28, 2025, Active Directory
Old school simple password policies (frequent updates and complexity) are not fit for purpose. New… Read More

10 Warning Signs Your Active Directory is at Risk in 2025

July 16, 2025, Active Directory
Why are enterprises still vulnerable despite decades of experience with Active Directory? The answer to… Read More

What is Unauthorized Access

June 10, 2025, Access Management
Unauthorized access poses serious risk to companies of all sizes, often leading to data breaches,… Read More

Lepide Free Tools to Monitor and Manage Active Directory

May 9, 2025, Active Directory
The successful management of Active Directory is essential for both security maintenance and operational efficiency… Read More
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