Blog

Prepare, Prevent, and Response: A Comprehensive Ransomware Protection Guide

dezembro 1, 2023 | NSFOCUS

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 […]

Apache ActiveMQ Jolokia Remote Code Execution Vulnerability (CVE-2022-41678) Notification

novembro 30, 2023 | NSFOCUS

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 […]

Uma imagem que ilustra o que é phishing.

O que é Phishing? Tipos e dicas para evitar golpes 

novembro 30, 2023 | WPAdmin

O mundo digital está constantemente sob ameaça de um dos mais perigosos golpes cibernéticos: o phishing.  Trata-se de uma técnica maliciosa utilizada por cibercriminosos para enganar usuários e obter informações pessoais e sensíveis. Vamos explorar o que é, como funciona e como se proteger desses ataques. Continue a leitura! O que é Phishing?  Phishing é […]

NSFOCUS WAAP: A Future-Ready Solution for Web and API Security Challenges

novembro 23, 2023 | NSFOCUS

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 […]

Confidential Computing: Guardian of Privacy in the Big Data Era

novembro 21, 2023 | NSFOCUS

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 […]

Uma imagem que ilustra o ransomware.

Ransomware: o que é, prevenção e como diminuir sua exposição?

novembro 20, 2023 | WPAdmin

O termo ransomware é um tema frequente nas discussões sobre segurança cibernética.  Trata-se de um tipo de malware que pode causar sérios danos a indivíduos e organizações, restringindo o acesso a dados vitais e sistemas inteiros.  Neste artigo, vamos entender o que é ransomware, mitigações e formas de assegurar sua exposição. Continue a leitura! O […]

Apache Arrow PyArrow Arbitrary Code Execution Vulnerability (CVS 2023-47248) Notification

novembro 15, 2023 | NSFOCUS

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 […]

Why Isn’t My ChatGPT Working?

novembro 13, 2023 | NSFOCUS

“My ChatGPT isn‘t working properly.“ “I can’t log in, and it’s not responding at all.” Just as OpenAI released a series of new features recently, ChatGPT experienced prolonged service disruptions last Wednesday. Subsequently, OpenAI issued a statement revealing that they were facing periodic outages across ChatGPT and the API due to a reflective Distributed Denial […]

Uma imagem que ilustra um teclado com uma tecla escrita ddos attack.

Quais as diferenças entre ataques DDoS na camada de aplicação e na camada de rede?

novembro 13, 2023 | WPAdmin

O mercado de serviços de proteção contra ataques de negação de serviço distribuídos, ou Anti-DDoS – possui um grande foco na mitigação de ataques direcionados à camada de rede da infraestrutura das empresas. Neste tipo de ataque, os vetores infectados são utilizados comumente para gerar requisições sem objetivo de comunicação concreta, com o intuito de […]

The New APT Group DarkCasino and the Global Surge in WinRAR 0-Day Exploits

novembro 10, 2023 | NSFOCUS

Overview In 2022, NSFOCUS Research Labs revealed a large-scale APT attack campaign called DarkCasino and identified an active and dangerous aggressive threat actor. By continuously tracking and in-depth study of the attacker’s activities, NSFOCUS Research Labs has ruled out its link with known APT groups, confirmed its high-level persistent threat nature, and following the operational […]