![]() Historically, LockBit 3.0 affiliates have conducted attacks against organizations of varying sizes across multiple critical infrastructure sectors, including education, energy, financial services, food and agriculture, government and emergency services, healthcare, manufacturing, and transportation. Other trusted third parties have observed similar activity impacting their organization. Boeing observed LockBit 3.0 affiliates exploiting CVE-2023-4966, to obtain initial access to Boeing Distribution Inc., its parts and distribution business that maintains a separate environment. ![]() This CSA provides TTPs and IOCs obtained from FBI, ACSC, and voluntarily shared by Boeing. ![]() The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Multi-State Information Sharing & Analysis Center (MS-ISAC), and Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) are releasing this joint Cybersecurity Advisory (CSA) to disseminate IOCs, TTPs, and detection methods associated with LockBit 3.0 ransomware exploiting CVE-2023-4966, labeled Citrix Bleed, affecting Citrix NetScaler web application delivery control (ADC) and NetScaler Gateway appliances. Visit to see all #StopRansomware advisories and to learn more about other ransomware threats and no-cost resources. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware. Note: This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.
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