For those interested in staying up to date and taking part in computer security and privacy, these are some active mailing lists that deal with it:
Off The Record (Encryption for IRC and IM)
This list is used for open discussion about Off-the-Record (OTR) Messaging software.
Subscribe at:
http://lists.cypherpunks.ca/mailman/listinfo/otr-users
Archived mailing list:
http://lists.cypherpunks.ca/pipermail/otr-users/
The or-talk mailing list is for all discussion [...]