Continuous Monitoring and Protection
Mozilla has released security updates to address vulnerabilities in Firefox and Thunderbird. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following advisories and apply the necessary updates: Firefox iOS 120 Firefox 120 Firefox ESR 115.5 Thunderbird 115.5.0
Read MoreToday, 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 Center (ASD’s ACSC) released a joint Cybersecurity Advisory (CSA), #StopRansomware: LockBit Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability (along with an accompanying analysis report MAR-10478915-1.v1 Citrix Bleed), in response to LockBit 3.0 ransomware affiliates and multiple threat actor groups exploiting CVE-2023-4966. Labeled Citrix Bleed, the vulnerability affects Citrix’s NetScaler…
Read MoreJuniper released a security advisory to address multiple vulnerabilities affecting Juniper Secure Analytics. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Juniper advisory JSA74298 and apply the necessary updates.
Read MoreToday, CISA released the Mitigation Guide: Healthcare and Public Health (HPH) Sector as a supplemental companion to the HPH Cyber Risk Summary, published July 19, 2023. This guide provides defensive mitigation strategy recommendations and best practices to combat pervasive cyber threats affecting this critical infrastructure sector. It also identifies known vulnerabilities for organizations to assess their networks and minimize risks before intrusions occur. For more information and resources, HPH entities are encouraged to visit CISA’s…
Read MoreToday, the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) released a joint Cybersecurity Advisory (CSA) on Scattered Spider—a cybercriminal group targeting commercial facilities sectors and subsectors. The advisory provides tactics, techniques, and procedures (TTPs) obtained through FBI investigations as recently as November 2023. Scattered Spider threat actors typically engage in data theft for extortion using multiple social engineering techniques and have recently leveraged BlackCat/ALPHV ransomware alongside their usual TTPs.…
Read MoreCISA has opened a 30-day Federal Register notice to receive public comment on the draft Secure Software Development Attestation Form. CISA developed this form in coordination with the Office of Management and Budget. With the Secure Software Development Attestation Form, federal departments and agencies will be able to obtain attestation of product security from a software producer before using the software on government systems. This form will establish a standardized process for the federal government…
Read MoreCitrix has released security updates addressing vulnerabilities in Citrix Hypervisor 8.2 CU1 LTSR. A cyber threat actor could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Citrix Hypervisor Security Bulletin for CVE-2023-23583 and CVE-2023-46835 and apply the necessary updates.
Read MoreToday, the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) released a joint Cybersecurity Advisory (CSA), #StopRansomware: Rhysida Ransomware, to disseminate known Rhysida ransomware indicators of compromise (IOCs), detection methods, and tactics, techniques, and procedures (TTPs) identified through investigations as recently as September 2023. Observed as a ransomware-as-a-service (RaaS) model, Rhysida actors have compromised organizations in education, manufacturing, information technology, and government…
Read MoreFortinet has released security advisories addressing vulnerabilities in FortiClient and FortiGate. Cyber threat actors may exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Fortinet security advisories and apply the recommended updates: FG-IR-22-299: FortiClient (Windows) – Arbitrary file deletion from unprivileged users FG-IR-23-274: FortiClient (Windows) – DLL Hijacking via openssl.cnf FG-IR-23-385: curl and libcurl CVE-2023-38545 and CVE-2023-38546 vulnerabilities
Read MoreVMware has released a security advisory addressing a vulnerability in VMWare Cloud Director Appliance. Cyber threat actors may exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the following VMware security advisory and apply the recommended updates: VMSA-2023-0026: VMware Cloud Director Appliance contains an authentication bypass vulnerability (CVE-2023-34060)
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