Which ones do you recommend? Every one I have tried hasn't really given me the same flexibility as Splunk, most seem to miss the core part of what makes Splunk cool. Though I'd definitely like to see Splunk improve their design.
Microsoft is doing a surprisingly good job with their Sentinel SIEM. The sweetener is they give you free ingestion on most of your Office 365/Azure logs which can add up if you’re shipping out to another platform.
Makes it attractive for enterprises already on their platform and they throw in discounts for E5 license tier customers as well (gotta keep pushing the “give us everything or pay way more for single feature licenses”).
The thing that will totally replace splunk (and elastic and snowflake and likely several other whole ecosystems) is some random thing pouring data into clickhouse.
I am nervous about how clickhouse is going to monetize, whenever they decide to turn on the revenue spigot.
I hate to shill in this thread, but that's exactly what we built at runreveal, so I completely agree! We saw the power of clickhouse when we were at segment and cloudflare, so built a company around it.
And since clickhouse is open source, we hope that people will stop giving their security data to vendors who then charge you rent for it. I think the future is writing this data to clickhouse, but also our customer's clickhouses
I used to love Graylog, but I was evaluated it for use with AWS and a) it's AWS bits seem limited and b) I found a bunch of deadlinks from their github to their site. If they can't keep their docs updated, it doesn't give me warm fuzzies about their product.
Hey, founder of Tenzir [1] here — We are building an open-core pipeline-first engine that can massively reduce Splunk costs. Even though we go to market "mid stream" we have a few users that use us as light-weight SIEM (or more accurately, just plain log management).
We are still in early access but you can browse through our docs or swing by our Discord.
If you're looking for something that can handle unstructured data and has a similar query syntax to Splunk then Gravwell (https://www.gravwell.io) might be a fit.