Event logs

So much information, so little time

Let’s have a closer look at Event Logs and the crucial role they play in security monitoring, incident detection and response.

While event logs are invaluable for security and operational oversight, managing them can be extremely complex and resource hungry if you don’t choose the right technology partner.

What’s inside the logs?

Think of SIEM logs as digital diaries— they’re compiled from various devices, systems, and apps, note all sorts of activities. It’s like having a behind-the-scenes look at everything going on, from user access to system actions and even the little hiccups and errors!

These logs are super important for security monitoring, finding and reacting to incidents, and just keeping things in check.

Modern SIEM magic!

Even though managing SIEM logs is quite a juggling act, thanks to modern solutions such as cloud platforms, and managed services, it’s become a smoother ride. Now, even organisations with smaller teams and resources can jump on the SIEM train and get the best from it!

 

 

What does a SIEM do for me?

In a nutshell these systems aggregate and analyse log and event data in real-time to provide security monitoring, event correlation, and incident response. They identify threats, streamline forensic analysis, and facilitate compliance reporting, offering a centralized view of an organisation's security posture, like this:

1. Record activities

From user actions to system changes and network traffic, they catch them all!

2. Security monitoring

These detectives analyse logs and spot patterns that scream ‘threat’

3. Incident detection

They link different logs to recognise complex attacks and shout out an alert.

4. Forensics & investigation

After an incident, they help piece together the what, when, and how.

5. Compliance reporting

They help whip up the necessary reports to stay in line with regulations.

6. Operational oversight

They also give insights into system health and trends, beyond just security.

Are there any downsides?

Managing them can be time-consuming, there’s a lot of information coming from multiple data points. Keeping on top of all the information so none of the important alerts get missed keeps security analysts very busy. Here are some examples of the sort of information that will be delivered

1. Volume

We're talking about a deluge of data from multiple sources every day—it's no mean feat!

2. Normalisation

With different formats, making everything uniform for analysis is crucial.

3. False positives

Sometimes they cry wolf, causing alert fatigue.

4. Retention requirements

Storing logs for ages is a must due to some rules.

5. Log integrity

Keeping logs in their original state is essential for security and compliance.

6. Performance overhead

Collecting and storing logs do have some impact on the source systems.

7. Skills gap

Deciphering logs needs expertise—it’s like learning a new language!

8. Configuration & maintenance

Constant refining and tuning are part of the game.

9. Cost

Storing and processing heaps of logs and acquiring SIEM software can be pricey.

Making the most of limited time

When time’s a premium, focusing on streamlined processes, automation tools, and ongoing learning is vital. A holistic approach combining advanced analytics, real-time monitoring, and proactive response strategies can be a game-changer, ensuring no threat slips through the cracks.

The introduction of modern cloud-based platforms has made it easier for organisations, including those with limited resources, to manage and benefit from SIEM systems.

Interested?

If delving deeper into turning potential vulnerabilities into a fortified defence sounds like your cup of tea, booking this Cloud Clinic could be your next step!

We’d love to chat and explore how you can fortify your organisation’s digital realm!

About LogRhythm Axon

LogRhythm Axon offers a cloud-native SaaS SIEM platform. It blends the advantages of both SaaS and cloud-native approaches, freeing security teams from infrastructure management to focus on threat detection and response.

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