RadioCSIRT is a daily cybersecurity briefing for security operations professionals. Each episode gives a factual summary of the day’s advisories, vulnerabilities, campaigns and incidents, published on the day they are disclosed.

The format is a technical news brief: neutral, sourced, with no editorial commentary and no commercial recommendation. Every episode cites its primary sources, CERT-FR, CISA, ANSSI, FIRST, vendors and research teams, so listeners can go further.

Topics covered

• Vulnerabilities and patches: CISA KEV catalog, CERT-FR advisories, Microsoft Patch Tuesday, critical fixes, actively exploited zero-days.
• Threat intelligence: APT campaigns, attribution, command and control infrastructure, IOCs published by research teams.
• Supply chain and dependencies: repository compromises, malicious npm and PyPI packages, software supply chain attacks.
• Incidents and response: takedown operations, arrests, data breaches, post-incident analysis.
• Regulation and standards: ANSSI publications, NIS2, DORA, decisions from the CNIL and its European counterparts.
• Cyber geopolitics: state-sponsored operations, conflicts, alerts from national agencies including CISA, NCSC, BSI and ASD.

Who it is for

• CERT and CSIRT analysts: daily advisory monitoring and tracking of active campaigns.
• SOC and VOC analysts: context on exploited vulnerabilities and observed attack techniques.
• CISOs: a daily summary for prioritisation calls and briefing the business.
• CTI teams: tracking of actors, TTPs and IOCs published by research teams.

Format

Over 880 episodes published across five languages: French, English, German, Spanish and Italian. Advisories are covered on the day they are disclosed.

Daily episodes run on weekdays, with special editions on high-intensity subjects: conflicts, major crises, Patch Tuesday. Each episode comes with detailed notes linking to primary sources, on radiocsirt.org and in the newsletter.

Editorial principles

• Neutrality: no commercial positioning, no paid editorial partnerships, no product recommendations.
• Accuracy: information is based on verifiable primary sources. Where a fact or an attribution is uncertain, that is stated explicitly.
• Timeliness: critical advisories are covered on the day they are published by the reference bodies.
• Independence: RadioCSIRT has no editorial or financial ties to any vendor, integrator or security services provider.
• Correction: a reported error is corrected on air in the following episode.

Contact: contact@radiocsirt.org