The Good, the Bad and the Ugly in Cybersecurity - Week 41 (2026)

**Executive summary:** This report bundles recent law-enforcement actions against cybercrime groups (ShinyHunters cooperation, MonsterCloud indictment, Empire Market conviction), documents an active human-operated phishing campaign that impersonates AI advertising portals and employs Browser-in-the-Browser attacks to steal credentials and MFA, and warns of rapid, in-the-wild exploitation of a critical Atlassian Data Center vulnerability (CVE-2026-21589, CVSS 9.3) with scanning and a released Nuclei template; mitigations and patches are advised.