I. Background of xorbot In November 2023, NSFOCUS Global Threat Hunting System detected that a type of elf file was being widely distributed and accompanied by a large amount of suspected encrypted outbound communication traffic. However, the detection rate of mainstream antivirus engines on this file was close to zero, which aroused our curiosity. After further […]

Cybersecurity Symposium 2023, Dec 14, Convention Hall @Hong Kong Convention and Exhibition Centre, Hong Kong The Cybersecurity Symposium is co-organised by the Office of the Government Chief Information Officer (OGCIO) and Hong Kong Internet Registration Corporation Limited (HKIRC). It aims to unite quangos, enterprises and other local organizations in Hong Kong to address the cybersecurity challenges of the digital […]

Introduction On November 26, 2023,  the Guidelines for secure AI system development was jointly released by the UK National Cyber Security Centre (NCSC), the US Cybersecurity and Infrastructure Security Agency (CISA), in collaboration with the US National Security Agency (NSA), the Federal Bureau of Investigation (FBI), and the cybersecurity and information security departments of over […]

What is Zero Trust Security? Zero-trust security is not a specific technology or product, but a security model based on the concept that “All entities are untrusted”. Forrester defines zero trust as “Zero Trust is an information security model that denies access to applications and data by default. Threat prevention is achieved by only granting […]

CDIC, Nov 29-30, 2023, BITEC Bangna, Thailand. The CDIC conference & exhibition was held with the theme of “Powering Techno-Drive in Digi-Hype Behaviour towards Digital Trust”. NSFOCUS participated this pivotal event as Gold Sponsor in APAC to introduce our latest effective continuous threat exposure management (CTEM) program and XDR-powered threat analysis and response.  “Cyber Defense Initiative Conference […]

Rampant Ransomware Attacks On November 8, 2023, U.S. Eastern Time, ICBC Financial Services (FS), the U.S. arm of China’s largest bank, fell victim to a ransomware attack, disrupting certain systems. Reports indicate that the attack, linked to a Citrix vulnerability known as “CitrixBleed,” was orchestrated by the LockBit group. ICBC FS is actively investigating the […]

Overview Recently, NSFOCUS CERT found a remote code execution vulnerability in Apache ActiveMQ Jolokia (CVE-2022-41678). In the configuration of ActiveMQ, jetty allows org.holokia.http.AgentServlet to process requests for/api/Jolokia. An authenticated attacker can send a specially crafted HTTP request to write a malicious file through the Jolokia service, thus implementing remote code execution. At present, the vulnerability […]

In the digital age, Web application and API security (WAAP) has demonstrated the importance of the development of the web application and API economy, and it is becoming the new standard of the next generation of WAF. WAAP is essential in today’s digital environment. As organizations increasingly rely on web applications and APIs to support […]

The Future of Data Protection: The Emergence of Confidential Computing In today’s information age, data has become an invaluable resource ubiquitous across various sectors, from financial institutions to healthcare and scientific research. However, as data continues to grow, concerns about data privacy and security become increasingly prominent. Incidents of data breaches, hacking, and misuse of […]

Overview Recently, NSFOCUS CERT found that Apache Arrow issued a security notice, which fixed an arbitrary code execution vulnerability in the PyArrow library (CVE-2023-47248). Due to PyArrow reading Arrow IPC, Feather, or Parquet data from untrusted sources, PyExtensionType creates an automatic loading feature that allows for deserialization of data from non PyArrow sources. When using […]