Category: alerts

Today, CISA, the Federal Bureau of Investigation (FBI), the Multi-State Information Sharing and Analysis Center (MS-ISAC), and international partners released Understanding Ransomware Threat Actors: LockBit, a joint Cybersecurity Advisory (CSA) to help organizations understand and defend against threat actors using LockBit, the most globally used and prolific Ransomware-as-a-Service (RaaS) in 2022 and 2023. This guide… Read more

Today, CISA issued Binding Operational Directive (BOD) 23-02: Mitigating the Risk from Internet-Exposed Management Interfaces, requiring Federal Civilian Executive Branch (FCEB) agencies to reduce risks posed by internet-exposed networked management interfaces on federal information systems. This directive applies to dedicated device interfaces that are accessible over network protocols and are meant exclusively for authorized users… Read more

Fortinet has released security updates to address a heap-based buffer overflow vulnerability CVE-2023-27997 in FortiOS and FortiProxy. An attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Fortinet security advisory FG-IR-23-097 and apply the necessary updates. Read more

CISA and FBI released a joint Cybersecurity Advisory (CSA) [CL0P Ransomware Gang Exploits MOVEit Vulnerability] in response to a recent vulnerability exploitation attributed to CL0P Ransomware Gang. This [joint guide] provides indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs) identified through FBI investigations as recently as May this year. Additionally, it provides immediate actions to… Read more

SUMMARY 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. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware. Visit stopransomware.gov… Read more

Today, CISA, the Federal Bureau of Investigation (FBI), the National Security Agency (NSA), the Multi-State Information Sharing and Analysis Center (MS-ISAC), and the Israel National Cyber Directorate (INCD) published the Guide to Securing Remote Access Software to provide organizations with an overview of common remote access exploitations and associated tactics, techniques, and procedures (TTPs). The Guide… Read more

The CISA Vulnerability Bulletin provides a summary of new vulnerabilities that have been recorded by the National Institute of Standards and Technology (NIST) National Vulnerability Database (NVD) in the past week. NVD is sponsored by CISA. In some cases, the vulnerabilities in the bulletin may not yet have assigned CVSS scores. Please visit NVD for updated vulnerability entries, which… Read more

Progress Software has released a security advisory for a vulnerability in MOVEit Transfer—a Managed File Transfer Software. A cyber threat actor could exploit this vulnerability to take over an affected system. CISA urgers users and organizations to review the MOVEit Transfer Advisory, follow the mitigation steps, apply the necessary updates, and hunt for any malicious activity.… Read more

  The CISA Vulnerability Bulletin provides a summary of new vulnerabilities that have been recorded by the National Institute of Standards and Technology (NIST) National Vulnerability Database (NVD) in the past week. NVD is sponsored by CISA. In some cases, the vulnerabilities in the bulletin may not yet have assigned CVSS scores. Please visit NVD… Read more

CISA urges users to remain on alert for malicious cyber activity following a natural disaster such as a hurricane or typhoon, as attackers target potential disaster victims by leveraging social engineering tactics, techniques, and procedures (TTPs). Social engineering TTPs include phishing attacks that use email or malicious websites to solicit personal information by posing as… Read more