SECURITY Affairs Malware newsletter Round 89, published by Pierluigi Paganini on 22 March 2026, presents a curated collection of the best articles and research on malware in the international landscape. The author describes the issue as a Malware Newsletter and highlights several linked pieces from the past days, including WorldLeaks ransomware group breached the City of Los Angels (21 March 2026) and PolyShell flaw exposing Magento and Adobe Commerce to file upload attacks (21 March 2026).
Other notable entries feature 7,500+ Magento sites defaced in a global hacking campaign (20 March 2026), alongside a range of related malware, hacking and security content selected for readers. The roundup is accompanied by quick links to a broader set of Security Affairs articles, with the site noting its focus on malware analysis, threat intelligence and related trends.
According to Security Affairs, this newsletter aggregates noteworthy research and developments across the malware landscape for its international audience.