Spotting Intrusions: A Real-Life Scenario

by Mark Burnett Sept. 1, 2017 via Symantec

Do you ever get that feeling that your web site's security may have been compromised but you do not really know for sure? Sure, you can keep up with patches and make sure all the ACL's are set correctly but with so many new exploits introduced every week and the huge number of exploits that have never been made public, how can you be sure you are protected? Sometimes things just don't feel right and you suspect that you have been attacked. And although some attackers will make it very clear you have been hacked, there are many more who will come and go without you ever noticing, making them the more dangerous of the two.

https://www.symantec.com/connect/articles/spotting-intrusions-real-life-scenario