New CISA/NSA Advisory Spotlights Russian Attacks on Zimbra Webmail

Overview of the Advisory On July 23, 2026, CISA, the NSA, the FBI, and their international partners issued a joint cybersecurity advisory alerting organizations to ongoing Russian state-sponsored activity. The post New CISA/NSA Advisory Spotlights Russian Attacks on Zimbra Webmail appeared first on Cyber Defense Magazine .