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Advanced Threat Protection
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Let's Go Threat Hunting: Gain Visibility and Insight into Potential Threats and Risks
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April 23, 2008
In life and business, the smart approach is to make the most of what you have. You can work for 8 hours and 10 hours and then 12 hours a day and hit your performance limit. How do you get more out of your work? By working smarter, not harder – Get others on board, delegate, communicate. Nowhere is this truer than with computer hardware. Poorly written software makes increasing demands on resources but cannot deliver quantum jumps in performance.
As we evaluated earlier versions of EventTracker it became clear that we were soon reaching the physical limits of the underlying hardware and the choke point to getting faster reports was not to work harder (optimize Code) but to work smarter (plan up-front, divide and conquer, avoid searching through irrelevant data).
This is realized in the Virtual Collection Point architecture that is available in version 6. By segregating log sources up front into virtual groups and stacking software processes from reception to archiving, improvement in performance is possible FOR THE SAME HARDWARE!
When comparing SIEM solutions for scalability, remember that if the only path is to add more hardware, it’s a weaker approach than making the best of what you already have.
April 07, 2008
The three basic ingredients of any business are technology, processes and people. From an IT security standpoint, which of these is the weakest link in your organization? Whichever it is, it is likely to be the focus of attack.
Organizations around the globe routinely employ the use of powerful firewalls, anti-virus software and sophisticated intrusion-detection systems to guard precious information assets. Year in and year out, polls show the weakest link to be processes and the people behind them. In the SIEM world, the absence of a process to examine exception reports to detect non-obvious problems is one manifestation of process weakness.
The reality is that not all threats are obvious and detected/blocked by automation. You must apply the human element appropriately.
Another is to audit user activity especially privileged user activity. It must match approved requests and pass the reasonableness test (eg performed during business hours).
Earlier this decade, the focus of security was the perimeter and the internal network. Technologies such as firewalls and network based intrusion detection were all the rage. While these are necessary, vital even, defense in depth dictates that you look carefully at hosts and user activity.