The Cybersecurity and Infrastructure Security Agency (CISA) has released an update to a previously published Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells. The updated CSA contains victim information gathered in August 2023. CISA strongly urges all critical infrastructure organizations to review the advisory and follow the mitigation recommendations— such as prioritizing patching known exploited vulnerabilities like Citrix CVE-2023-3519. Read more at CISA.