We attempt to oversee the security of computers within the Department but the onus is on every user to keep their computer secure and patched up-to-date.

We can offer advice on doing this if you are unsure how to.

If you suspect that your machine has been cracked, please report this to the Computer Officers as soon as possible; unplug your computer from the network but do not shutdown, reboot or otherwise change anything on your machine until it has been checked by us.

The links below contain security advice for specific platforms (OSs), including configuration details:

Unix Support provide a local mirror of CERT advisories, incident notes and summaries.