If you’re seeking RSS feeds for the Rapid7 blog, please note that although the blog is typically accessed via https://www.rapid7.com/blog/, the RSS feeds are actually available at https://blog.rapid7.com/.
Here are a few examples:
All posts: https://blog.rapid7.com/rss/
Emergent Threat Response Tag: https://blog.rapid7.com/tag/emergent-threat-response/rss/
Research: https://blog.rapid7.com/tag/research/rss/
Detection & Response: https://blog.rapid7.com/tag/detection-and-response/rss/
Vulnerability Management: https://blog.rapid7.com/tag/vulnerability-management/rss/
Cloud Security: https://blog.rapid7.com/tag/cloud-security/rss/