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Anton's Top 11 Reasons to Collect and Preserve Computer Logs

I've been wanting to create those for a long time and finally here they are; some are admittedly tongue-in-cheek, but useful nonetheless. So, enjoy Anton's "Top 11 Reasons to Collect and Preserve Computer Logs", presented in no particular order:

  1. Before anything else, do you deal with credit cards? Patient info? Are you a government organization under FISMA? A financial company? You have to keep'em - stop reading further.
  2. What if there is a law or a regulation that requires you to retain logs - and you don't know about it yet? Does the world "compliance" ring a bell?
  3. An auditor comes and asks for logs. Do you want to respond "Eh, what do you mean?"?
  4. A system starts crashing and keeps doing so. Where is the answer? Oops, it was in the logs - you just didn't retain them ...
  5. Somebody posts a piece of your future quarterly report online. You are "pretty sure" John Smith did it. But did he? How? If not him, who did? Let's see who touched this document, got logs?
  6. A malicious software is rampant on your network. Where it came from? Who spreads it? Just check the logs - but only if you have them saved.
  7. Your boss comes and says 'I emailed you this and you ignored it!!' - 'No, you didn't!!!' Who is right? Only email logs can tell!
  8. Network is slow; somebody is hogging the bandwidth. Let's figure it out! Is your firewall logging? Keep the logs at least until you can investigate.
  9. Somebody added a table to your database. Maybe he did something else too - no change control forms were filed. Got database log management? How else would you know?
  10. Disk space is cheap; tape is cheaper still. Save a log! Got SAN or NAS? Save a few of them!
  11. If you plan to throw away a log record, think - are you 100% sure you won't need it, ever? Exactly! :-) Keep it.

Have more? Feel free to suggest your own reasons to collect and retain logs here!

Coming soon: "Top 11 Reasons to Look at Your Logs"

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Posted April 02, 2007 in | Permalink


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