Google has been working hard to protect its users from malicious web pages, and also to help webmasters keep their websites clean. When we find malicious content on websites, we attempt to notify their webmasters via email about the bad URLs. There is even a Webmaster Tools feature that helps webmasters identify specific malicious content that has been surreptitiously added to their sites, so that they can clean up their site and help prevent it from being compromised in the future.

Today, we’re happy to announce Google Safe Browsing Alerts for Network Administrators -- an experimental tool which allows Autonomous System (AS) owners to receive early notifications for malicious content found on their networks. A single network or ISP can host hundreds or thousands of different websites. Although network administrators may not be responsible for running the websites themselves, they have an interest in the quality of the content being hosted on their networks. We’re hoping that with this additional level of information, administrators can help make the Internet safer by working with webmasters to remove malicious content and fix security vulnerabilities.

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