Our news
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Vice Society: One of the Most Impactful Ransomware Gangs of 2022
Vice Society (also known as Vice Spider, DEV-0832, and Vanilla Tempest) is identified as a Russian-based group specializing in intrusion, exfiltration, and extortion. Operating since the summer of 2021, Vice Society sets itself apart from other ransomware groups by deviating from the typical ransomware-as-a-service (RaaS) model. Instead of developing their own custom ransomware payload, they…
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CISA and Partners Release Cybersecurity Advisory Guidance detailing PRC state-sponsored actors evading detection by “Living off the Land”
Today, CISA joined the National Security Agency (NSA), the Federal Bureau of Investigation (FBI), and international partners in releasing a joint cybersecurity advisory highlighting recently discovered activities conducted by a People’s Republic of China (PRC) state-sponsored cyber threat actor. This advisory highlights how PRC cyber actors use techniques called “living off the land” to evade…
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People’s Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection
Summary The United States and international cybersecurity authorities are issuing this joint Cybersecurity Advisory (CSA) to highlight a recently discovered cluster of activity of interest associated with a People’s Republic of China (PRC) state-sponsored cyber actor, also known as Volt Typhoon. Private sector partners have identified that this activity affects networks across U.S. critical infrastructure…
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Vulnerability Summary for the Week of May 15, 2023
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…
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CISA and Partners Update the #StopRansomware Guide, Developed through the Joint Ransomware Task Force (JRTF)
Today, CISA, the Federal Bureau of Investigation (FBI), the National Security Agency (NSA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) published an updated version of the #StopRansomware Guide, as ransomware actors have accelerated their tactics and techniques since its initial release in 2020. The update incorporates lessons learned from the past two years and…
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BlackByte Ransomware Returns: Introducing the New Technology (NT) Variant
Emerging around July 2021, BlackByte is a fully featured Ransomware-as-a-Service (RaaS) group that infiltrates organizations and demands hefty ransoms. They employ a strategy known as double extortion, stealing files from the targeted organization and publicly leaking them if the ransom goes unpaid. BlackByte is known for continuously updating and distributing homonymous malware in various versions.…
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Lemon Group’s Cybercrime Enterprise Leverages Millions of Pre-Infected Android Phones
The Lemon Group, a large cybercrime enterprise, has installed “Guerilla” malware on approximately 9 million Android-based devices, including smartphones, watches, TVs, and TV boxes. Techniques such as reflashing and silent installation have become prevalent in the past decade. Reflashing involves reprogramming or replacing the firmware of a device, allowing for modifications, firmware updates, or the…
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UNC3944 Exploits Azure Serial Console for Complete VM Takeover
A threat group known as UNC3944 (also known as Roasted 0ktapus and Scattered Spider) has been observed hijacking Microsoft Azure admin accounts through phishing and SIM-swapping attacks. The financially motivated group bypasses traditional detection methods within Azure and gains full administrative access to compromised virtual machines (VMs) within victim organizations using Microsoft’s cloud computing service.…
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#StopRansomware: BianLian Ransomware Group
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…
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CISA and Partners Release BianLian Ransomware Cybersecurity Advisory
CISA, the Federal Bureau of Investigation (FBI), and the Australian Cyber Security Centre (ACSC) have released a joint Cybersecurity Advisory (CSA) with known BianLian ransomware and data extortion group technical details. Microsoft and Sophos contributed to the advisory. To reduce the likelihood and impact of BianLian and other ransomware incidents, CISA encourages organizations to implement mitigations…