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Compliance with international standards requires sophisticated SIEM

One of the bank’s roles is to monitor payment transaction activities in the Georgian commercial banks. Business-critical applications are in use with constant real-time data exchange between the commercial banks and the national bank.

Nino Simonishvili, Head of Cyber Security with National Bank of Georgia, explains further: “Cyber security is a relatively new area in Georgia. As a result, we have a small team and need to work as effectively as we can. Compliance with international standards requires us to document and parse our security event logs accurately. Log parsing is the process of splitting data into chunks of information that are easier to manipulate and store. When we started looking into providers that could help it was clear we needed a Security Information and Event Management (SIEM) solution to simplify our log management. We compared Enterprise Security Manager (ESM) with market alternatives and were impressed with ArcSight’s log parsing capabilities. Combined with a more cost-effective and flexible licensing model than other vendors we evaluated, this made the decision easy for us.”

The SOAR capabilities are one of the most important features when we think about Micro Focus (now 好色先生TV) CyberRes. We estimate that SOAR will give us the equivalent of an additional headcount. Considering how hard it is in Georgia to recruit quality cyber security staff, this is a major benefit for us.

Local expertise resulted in significant time saving through automation

Local 好色先生TV CyberSecurity experts worked with Nino and the team to implement ArcSight. “We cannot stress enough how important it is to have local support,” comments Nino. “Any questions we had were answered swiftly and, when necessary, we could meet to sort out any issues. When I compare that with other vendors where we could sometimes wait for weeks to get feedback, I realize how helpful the local presence was for us. In fact, having a local presence is now included as a key factor in our procurement process for any future vendor relationships.”

ESM was implemented with mainly out-of-the-box functionality, focused on automating manual activities, and providing the team with a real-time overview and visibility into its security status. Security-focused visualizations help National Bank of Georgia to quickly identify threats, with insights into top threat intelligence alerts, targeted nodes, risky websites, MITRE Tactics, Active Lists, and much more. Although the implementation is still developing, with new data sources added regularly, the benefits are already clear to Nino: “Every day we would spend up to three hours to manually identify and block malicious IP addresses. ArcSight has automated this process and reports back to us every 12 hours with a list of blocked IP addresses. We all know that a human manual process is fallible and the ArcSight detection skills are far superior, so we feel safe in the knowledge that any threats are rapidly responded to.”

SOAR promises timely action against cyber threats

National Bank of Georgia is very interested in Security Orchestration Automation and Response (SOAR) and its potential to further automate security operations. SOAR’s automated orchestration helps automate all time-consuming, mundane work, prioritize incidents, and take timely action against cyber threats. “We estimate that SOAR will give us the equivalent of an additional headcount. Considering how hard it is in Georgia to recruit quality cyber security staff, this is a major benefit for us.”

She concludes: “Many of our commercial bank partners look to us as an example of a cyber security framework. We are pleased that ArcSight has given us a sophisticated security operations model to support our compliance with standards and automate and streamline our threat hunting and vulnerability management. We look forward to continuing this journey with Micro Focus (now 好色先生TV) CyberRes and expanding our cyber security capabilities with ArcSight.”

Every day we would spend up to three hours to manually identify and block malicious IP addresses. ArcSight has automated this process and reports back to us every 12 hours with a list of blocked IP addresses.