What are the most notable attacks on pools? Since Bitcoin's inception there have been several attacks on mining pools. There was the Linode problem, where some 46,000 BTC were stolen from pool accounts. 

What are some other notable attacks on mining pools?
Exploits / Hacks resulting in BTC theft:


The Linode Incident - 46,000 BTC were stolen due to the compromise of a single employee workstation.
Slush's Backup Hacked - 3094 BTC stolen after a backup of Slush's pool was compromised.
Mt.Gox Database Theft - a reported 100,000 BTC were stolen, and another 400,000 BTC reported 'missing'. Mt.Gox shuts down and stops honoring trades of compromised coins.


[D]DoS Attacks ([Distributed] Denial of Service):


Slush's Mining Pool DDoS - A DDoS attack which lasted nearly 2 days before being recovered from.


This is a CW entry in the hopes of creating a clean index of info about all known (and notable) attacks against mining pools. Please maintain it as new information becomes available.