Security Holes in FreeBSD
FreeBSD is one of the more secure operating systems available. However, it is inevitable that, at times, security problems will be found that can allow an attacker to compromise your system. Because of this, it is important that you keep your system updated and that you are subscribed to the freebsd-security mailing list, which will contain announcements regarding security holes that have been discovered. To subscribe to this list, send a message to email@example.com, with the contents being the single line:
Also, it is important to note that a RELEASE version of FreeBSD that you just installed might have security problems out of the box, which is why it is important to cvsup your system ...