International alert spotlights Russia-linked attacks on Zimbra webmail

Collection of cybersecurity news: An international alert warns that Kremlin-linked group Laundry Bear is using a zero-click phishing technique to compromise Zimbra webmail accounts worldwide, per U.S. and allied advisories. The U.S. State Department announced new visa restrictions targeting individuals tied to transnational cyber-scam operations. Australian energy supplier Origin Energy confirmed a customer data breach and is investigating the scope. Swiss train maker Stadler Rail refused a $12.3M ransom demand from the Everest ransomware actors after technical data was stolen from a supplier.