This means that the intruder has edited your web page in some way. Due to this, it is quite likely that one or all of the machines on your network are compromised. You may wish to take immediate action to correct this problem and respond to the intrusion. One of the free services attrition.org offers is mirroring defaced pages to aid in statistics on computer crime. The various archives of information we maintain is used by security professionals and law enforcement every day.
Attrition offers free security advice and assistance to sites experiencing trouble.
We are not a security company and have no product or service to sell. We'd also like to assure you that we had no advanced knowledge of the intrusion. Any reference to attrition.org in your logs is due to our mirroring utility. Any greeting or reference to Attrition on the actual web page is beyond our control. You are one of over three thousand administrators we have contacted in this manner.