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June 16, 2008
Often when I engage with a prospect their first question is “How many events per second (EPS) can EventTracker handle?” People tend to confuse EPS with scalability so by simply giving back an enormous-enough number (usually larger than the previous vendor they spoke with) it convinces them your product is, indeed, scalable. The fact is scalability and Events per Second (EPS) are not the same and many vendors get away from the real scalability issue by intentionally using the two interchangeably. A high EPS rating does not guarantee a scalable solution.If the only measure of scalability available is an EPS rating, you as a prospect should be asking yourself a simple question. What is the vendor definition of EPS? You will generally find that the answer is different with each vendor.
At the end of the day, an EPS measure is generally a measure of a small, non-typical normalized event received. Nothing measured about actually doing something useful with the event, and indeed, pretty much useless.
With the lack of definition of what an event actually is, EPS is also a terrible comparative measure. You cannot assume that one vendor claiming 12,000EPS is faster than another claiming 10,000EPS as they are often measuring very different things. A good analogy would be if you asked someone how far away an object was, and they replied 100. For all the usefulness of the EPS measure the unit could be inches or miles.
EPS is even worse for ascertaining true solution capability. Some vendors market appliances that promise 2,000 EPS and 150 GB disk space for log storage. They also promise to archive security events for multiple years to meet compliance. For the sake of argument let’s assume the system is receiving, processing and storing 1000 windows events/sec with an average 1K event size (a common size for a Windows event). In 24 hours you will receive 86 million events. Compressed at 90% this consumes 8.6GB or almost 7% of your storage in a single day. Even with heavy compression it can handle only a few weeks of data with this kind of load. Think of buying a car with an engine that can race to 200MPH and a set of tires and suspension that cannot go faster that 75MPH. The car can’t go 200, the engine can, but the car can’t. A SIEM solution is the car in this example, not the engine. Having the engine does not do you any good at all.
So when asked about EPS, I sigh, and say it depends, and try to explain all this. Sometimes it sinks in, sometimes not. All in all don’t pay a lot of attention to EPS – it is largely an empty measure until the unit of measure is standardized, and even then it will only be a small part of overall system capability.
June 12, 2008
Creating lasting change from security management Over the past year, I’ve dealt with how to implement a Pragmatic approach to security management and then dug deeper into the specifics of how to successfully implement a security management environment successfully. Think of those previous tips as your high school level education in security management.
June 04, 2008
Windows does not track drive mappings for auditing out of the box. To audit drive mappings you will need to do the following steps:
Windows will now generate event ids 560, 567 and 564 when the drive mappings are added or deleted. 564 will be generated when a mapping is deleted, 567 will be created when a mapping is deleted or added and 560 will be generated both times as well. Event ID’s 567 and 564 will not give you the full information that you are looking for, they will tell you what was done to the mappings but not WHICH mapping. To determine which mapping you will need,the Handle ID code that will be found in the event description on the 564/567 events. The Handle ID will allow you to track back to the 560 event which will give you the mapping that is being added/deleted. Event ID 567 will only be generated on Windows XP or Windows 2003 systems, Windows 2000 will not generate 567.
See EventTracker in action!
Join our next live demo August 6th at 2:00 p.m. EST.
Join our next EventTracker live product demo to see our award-winning SIEM solution in action. We’ll showcase the critical security features you need to protect your organization from threats, demonstrate how the built-in reporting streamlines compliance requirements, and answer any questions you have on the spot.
Our next live product demo of EventTracker is scheduled for Tuesday, August 6th at 2:00 p.m. EST.