Page 191 - Cyber Defense eMagazine August 2024

resulting in compromised patient records and disrupted services. This not only affects the
organisation’s operation but also erodes patient trust.

In both scenarios, regular audits and tuning of SIEM configurations, as well as investing in
ongoing training for the security team, could have made a significant difference. The use of
automation to streamline data analysis and reduce the volume of false positives would have
enabled quicker and more accurate threat detection.

The insights from CardinalOps and experts like Anton Chuvakin highlight the need for a nuanced
approach to SIEM management. While these tools are not perfect, understanding their
limitations and working proactively to address them can significantly enhance their effectiveness.

I believe that continuous improvement and adaptation are the keys to staying ahead in
cybersecurity. By embracing the imperfections and relentlessly refining our tools and strategies,
we can build a more resilient defence against the increasing tide of cyber threats.

While SIEM systems may not be flawless, they remain a cornerstone of enterprise cybersecurity.
The key lies in recognising their shortcomings and continuously working to optimise their
performance. By adopting best practices and fostering a culture of continuous improvement,
organisations can unlock the full potential of their SIEM tools and fortify their defences.

The path to enhanced SIEM performance involves a commitment to ongoing education, the
strategic use of automation, and a proactive stance on configuration and integration. With these
measures in place, organisations can transform their SIEM systems from a source of frustration
to a robust component of their cybersecurity strategy.

Sources:

CardinalOps Report: Fourth Annual Report on the State of SIEM Detection Risk

Anton Chuvakin: We Love What’s Broken

Cyber Defense eMagazine – August 2024 Edition 191
Copyright © 2024, Cyber Defense Magazine. All rights reserved worldwide.