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