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This page is dedicated to security, it includes local security information, as well as a number of syndicated security feeds, alerts, tools and news from major security portals. This page aims to provide a single security information access point, helping you stay current with recent security threats. You can check the SG Security FAQ and visit the SG Security forum with any questions you might have.

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Latest Security Advisories (US-CERT)

CISA released eight Industrial Control Systems (ICS) advisories on April 25, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS.

• ICSA-24-116-01 Multiple Vulnerabilities in Hitachi Energy RTU500 Series
• ICSA-24-116-02 Hitachi Energy MACH SCM
• ICSA-24-116-03 Siemens RUGGEDCOM APE1808 Devices Configured with Palo Alto Networks Virtual NGFW
• ICSA-24-116-04 Honeywell Experion PKS, Experion LX, PlantCruise by Experion, Safety Manager, Safety Manager SC
• ICSA-23-143-03 Mitsubishi Electric MELSEC Series CPU Module (Update D)
• ICSA-23-157-02 Mitsubishi Electric MELSEC iQ-R Series/iQ-F Series (Update A)
• ICSA-24-102-09 Rockwell Automation 5015-AENFTXT (Update A)
• ICSA-24-067-01 Chirp Systems Chirp Access (Update B)

CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations.

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation.

• CVE-2024-20353 Cisco ASA and FTD Denial of Service Vulnerability
• CVE-2024-20359 Cisco ASA and FTD Privilege Escalation Vulnerability
• CVE-2024-4040 CrushFTP VFS Sandbox Escape Vulnerability

These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. 

Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information.

Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria.

Today, Cisco released security updates to address ArcaneDoorexploitation of Cisco Adaptive Security Appliances (ASA) devices and Cisco Firepower Threat Defense (FTD) software. A cyber threat actor could exploit vulnerabilities (CVE-2024-20353, CVE-2024-20359, CVE-2024-20358) to take control of an affected system. 

Cisco has reported active exploitation of CVE 2024-20353 and CVE-2024-20359 and CISA has added these vulnerabilities to its Known Exploited Vulnerabilities Catalog. 

CISA strongly encourages users and administrators to apply the necessary updates, hunt for any malicious activity, report positive findings to CISA, and review the following articles for more information:

• Cisco Blog: ArcaneDoor - New espionage-focused campaign found targeting perimeter network devices
• Cisco Event Response: Attacks Against Cisco Firewall Platforms
• Canadian Centre for Cyber Security: Cyber Activity Impacting CISCO ASA VPNs

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation.

• CVE-2022-38028 Microsoft Windows Print Spooler Privilege Escalation Vulnerability

These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.

Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information.

Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria.

CISA released two Industrial Control Systems (ICS) advisories on April 23, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS.

• ICSA-24-051-03 Mitsubishi Electric Electrical Discharge Machines (Update A)
• ICSA-24-067-01 Chirp Systems Chirp Access (Update A)

CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations.

Today, CISA, the Federal Bureau of Investigation (FBI), Europols European Cybercrime Centre (EC3), and the Netherlands National Cyber Security Centre (NCSC-NL) released a joint Cybersecurity Advisory (CSA), #StopRansomware: Akira Ransomware, to disseminate known Akira ransomware tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) identified through FBI investigations as recently as February 2024.

Evolving from an initial focus on Windows systems to a Linux variant targeting VMware ESXi virtual machines, Akira threat actors began deploying Megazord (a Rust-based code) and Akira (written in C++), including Akira_v2 (also Rust-based) in August 2023. Akira ransomware has impacted a wide range of businesses and critical infrastructure entities in North America, Europe, and Australia and claimed approximately $42 million (USD) in ransomware proceeds.

CISA and partners encourage critical infrastructure organizations to review and implement the mitigations provided in the joint CSA to reduce the likelihood and impact of Akira and other ransomware incidents. For more information, see CISAs #StopRansomware webpage and the updated #StopRansomware Guide.