CISA Kills Off RSS Feeds for KEVs and Cyber Alerts
Blog post from Socket
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has discontinued its use of RSS feeds for distributing updates on cybersecurity alerts and the Known Exploited Vulnerabilities (KEV) Catalog, opting instead for email notifications and social media posts. This shift, effective May 12, 2025, aims to prioritize urgent threats on CISA's website but removes a widely used, machine-readable format that supported automation in security operations. The decision disrupts existing workflows and tools that integrated CISA's RSS feeds, impacting platforms that rely on automated updates and increasing complexity for users who must now subscribe to more closed, less interoperable systems. Despite the agency's intentions to highlight pressing cyber threats, the move has been met with frustration from security professionals, who value the simplicity and openness of RSS, noting that this change follows a trend of government agencies favoring closed communication channels that may hinder accessibility and automation for open-source and academic research communities.
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