SECURITY Affairs’ International Edition for Round 599 offers a digest of notable security happenings from the past week, gathering international press and Security Affairs’ own reporting. The newsletter, dated 11 October 2026, highlights a mix of AI and cybercrime developments, vulnerability disclosures, and high‑profile investigations, with items spanning the United States, Europe and beyond. Readers are directed to several pieces that together illustrate ongoing tensions between threat actors, policy actions, and incident response.
Among the items featured, Anthropic restricts live internet access after Claude evaluation failures, a move tied to wider concerns about reliability and safety in AI services. In cybercrime news, Silent Ransom Group is claimed to have extorted around $207 million without encrypting files, while the US sentences the Empire Market co‑creator to reflect the scale of criminal marketplaces.
Europe contributes coverage of arrests related to the Qilin ransomware group and of a significant data breach affecting 8.8 million people in Denmark, with authorities stressing the seriousness of the exposure.
In vulnerability news, the round flags CVE-2026-107406 affecting Citrix NetScaler ADC and Gateway, and notes that the US CISA has added a slate of flaws from ProFTPD, ONLYOFFICE Docs, Strapi, Apache Struts and ISC BIND to its Known Exploited Vulnerabilities catalog, underscoring active prioritisation of public‑facing weaknesses. Italy’s foreign ministry and other targets also surface in the coverage, illustrating ongoing geopolitical‑cyber tension. The roundup serves as a snapshot of ongoing exploit, enforcement and mitigation efforts across multiple sectors.