A couple of interesting security links

Both via joat, who does an excellent job of collecting such things:

WormRadar is an effort to build a distributed worm honeypot. Download the software and your PC helps collect data on worms, which are then collected and compiled into a chart updated every 30 minutes.

DNS Cache Snooping is a paper that examines ways to read the caches of frequently requested addresses from certain DNS servers. Why would anybody care? To start, there's "typosquatting" - if you could see how people are commonly misspelling certain URLs, you could try to register the misspelled names and pick up some income through pop-up ads. Or be more sinister and read all the mail with misspelled domains (voila - instant spam database!). The author discusses other possible uses of such snooping and proposes a fix for BIND DNS.