Now all of you use some form of metrics in your organisation for security and I can guarantee that others are looking for useful metrics that they can apply in their environment. So if you are using a nifty metric that is easy to obtain and you are willing to share with the rest of us let us know. (On a second note, if you SPAM increased by similar numbers in November, I'd be interested as well) Mark H - Shearwater
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Mark 392 Posts ISC Handler Dec 13th 2009 |
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Dec 13th 2009 1 decade ago |
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I find the correlation between sent e-mail and received e-mail/spam somewhat more interesting. It's subtle, but if you look at the relative increase in received and sent mail in November, it's very similar, though it's a bit hard to spot how similar with such a rough graph.
That being said, visual representation of metrics is definitely the way to go to spot patterns, or anomalies from patterns. |
Anonymous |
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Dec 14th 2009 1 decade ago |
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Nicely spotted. You are correct sent traffic also increased, about 90% in fact. This was due to some mail outs ahead of the festive season and sadly ndr replies to spam runs (fixed that).
M |
Mark 392 Posts ISC Handler |
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Dec 14th 2009 1 decade ago |
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I had to laugh when I saw your graph, but when I was done, I checked mine and we did see an increase but mine started in september ish. I;d e happy to send you the mailgraphs for YTD.
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Mark 2 Posts |
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Dec 14th 2009 1 decade ago |
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Sorry for the typos ;) heres a link to the graphs from last Feb to now.
http://tinypic.com/r/a1n4tx/6 |
Mark 2 Posts |
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Dec 14th 2009 1 decade ago |
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Our spam numbers have been DOWN over the past three months, which also made me wonder what's going on :) The number of spam with viral payloads has also returned to near-zero levels, after spiking tremendously in September.
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Paul 47 Posts |
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Dec 14th 2009 1 decade ago |
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I'm using (like Charles) http://mailgraph.schweikert.ch/ for those three (low traffic) mailserver I handle.
http://img5.imagebanana.com/img/fmgz547i/mgs.png So far I don't see a general increase in the rejected mails but a lot more waves that go up very high for short periodes since end of September. |
Paul 7 Posts |
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Dec 14th 2009 1 decade ago |
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Our spam peaked in October. December so far looks like a big reduction in spam.
http://tinypic.com/r/dxi9vq/6 |
Anonymous |
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Dec 14th 2009 1 decade ago |
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My spam also peaked in October. In fact, it was a 30% increase over both August and November.
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Anonymous |
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Dec 14th 2009 1 decade ago |
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