Malware

Today, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and CISA released Business Continuity in a Box. Business Continuity in a Box, developed by ACSC with contributions from CISA, assists organizations with swiftly and securely standing up critical business functions during or following a cyber incident. Comprised of two core components—Continuity of Communications and Continuity of Applications—Business Continuity in a Box is designed for situations where the availability or integrity of an organization’s…

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Today, the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) released an update to joint Cybersecurity Advisory (CSA) #StopRansomware: Royal Ransomware. The updated advisory provides network defenders with additional information on tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) associated with Royal ransomware variants. FBI investigations identified these TTPs and IOCs as recently as June 2023. Royal ransomware attacks have spread across numerous critical infrastructure sectors including, but not…

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Today, CISA, the National Security Agency (NSA), and partners released Securing the Software Supply Chain: Recommended Practices for Software Bill of Materials Consumption. Developed through the Enduring Security Framework (ESF), this guidance provides software developers and suppliers with industry best practices and principles, including managing open source software and software bills of materials (SBOM), to maintain and provide awareness about the security of software. Organizations can use this guide to assess and measure their security…

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Today, the Federal Emergency Management Agency (FEMA) and the Cybersecurity and Infrastructure Security Agency (CISA) released the joint guide Planning Considerations for Cyber Incidents: Guidance for Emergency Managers to provide state, local, tribal, and territorial (SLTT) emergency managers with foundational knowledge of cyber incidents to increase cyber preparedness efforts in their jurisdictions. Emergency managers should be able to understand and prepare for the potential impacts of cyber incidents on their communities and emergency operations. FEMA…

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Today, CISA, in response to active, targeted exploitation, released guidance for addressing Citrix NetScaler ADC and Gateway vulnerability CVE-2023-4966. The vulnerability, also known as Citrix Bleed, could allow a cyber actor to take control of an affected system. CISA recommends organizations patch unmitigated appliances, hunt for any malicious activity, and report any positive findings to CISA. Review CISA’s guidance for more information.

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Today, CISA published When to Issue Vulnerability Exploitability eXchange (VEX) Information, developed by a community of industry and government experts with the goal to offer some guidance and structure for the software security world, including the large and growing global SBOM community. This guide explains the circumstances and events that could lead an entity to issue VEX information and describes the entities that create or consume VEX information. Whether, and when, to issue VEX information…

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VMware released a security advisory addressing multiple vulnerabilities (CVE-2023-34057, CVE-2023-34058) in VMware Tools. A cyber actor could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the VMware advisory VMSA-2023-0024 and apply the necessary updates.

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Today, CISA updated its guidance addressing two vulnerabilities, CVE-2023-20198 and CVE-2023-20273, affecting Cisco’s Internetworking Operating System (IOS) XE Software Web User Interface (UI). The guidance now notes that Cisco has fixed these vulnerabilities for the 17.6 Cisco IOS XE software release train with the 17.6.6a update. According to Cisco’s Security Advisory: Multiple Vulnerabilities in Cisco IOS XE Software Web UI Feature, fixes are still to be determined for the following Cisco IOS XE software release…

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