Security Affairs newsletter Round 551 by Pierluigi Paganini – INTERNATIONAL EDITION

Security Affairs unveils its Round 551 INTERNATIONAL EDITION, authored by Pierluigi Paganini, published on 23 November 2025. The newsletter marks a new weekly round of Security Affairs content delivered to readers by email, highlighting the best security articles from the site and international press. It showcases a mix of stories across cybercrime, security, data breach and hacking, including items such as BadAudio malware and the Oracle Fusion Middleware flaw added to the Known Exploited Vulnerabilities catalog.

Other featured pieces include CrowdStrike’s breach-denial after an insider-sent set of internal screenshots, SolarWinds addressing three critical flaws in Serv-U, and a massive data leak involving Ferrovie dello Stato via Almaviva hack. The INTERNATIONAL EDITION also aggregates articles on Gainsight OAuth apps exposure, WhatsApp profile enumeration, and cyber operations linked to broader threat landscapes, providing readers with a compact, cross-cutting view of current security events.