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3.7. Read the Debian security mailing lists

It is never wrong to take a look at either the debian-security-announce mailing list, where advisories and fixes to released packages are announced by the Debian security team, or at, where you can participate in discussions about things related to Debian security.
In order to receive important security update alerts, send an email to with the word "subscribe" in the subject line. You can also subscribe to this moderated email list via the web page at
This mailing list has very low volume, and by subscribing to it you will be immediately alerted of security updates for the Debian distribution. This allows you to quickly download new packages with security bug fixes, which is very important in maintaining a secure system (see Section 4.2, “Execute a security update” for details on how to do this).