Weekly cybersecurity update (521)

Weekly cyber security update based on the weekly CERT-SE newsletter and link aggregator. This week we dive into major international crackdowns on cybercrime, including Operation ENDGAME's latest strike against ransomware infrastructure and the disruption of the Lumma infostealer. We cover the relentless wave of attacks hitting critical sectors like legal aid, food supply, and energy, alongside new reports on the devastating impact of ransomware on healthcare and industrial systems. Plus, get insights into emerging threats like the Skitnet malware, fake CAPTCHA scams, and the growing cyber risks in space. We'll also share crucial guidance on decommissioning assets, securing industrial controls, and the latest alerts from CERT-SE.The original CERT-SE newsletter can be found here: https://cert.se/2025/05/cert-se-veckobrev-v21.html