The UK government has just launched a new service, ITSafe. It describes itself as
"...designed to provide both home users and small businesses with proven, plain English advice to help protect computers, mobile phones and other devices from malicious attack. It consists of both the Advice on this website, and an Alerting Service." So where's the RSS feed?
The alerts are limited to emails and SMS, although how you're going to send a decent sized alert over SMS escapes me. The site contains a sign up page, but no unsubscribe page. I've sent a feedback for asking where the RSS feed is, we'll see if I every get a response.