Blog

imagem que ilustra cibersegurança.

Hong Kong’s New Critical Infrastructure Ordinance will be effective by 1 January 2026 – What CIOs Need to Know

dezembro 12, 2025 | NSFOCUS

As the clock ticks down to the full enforcement of Hong Kong’s Protection of Critical Infrastructures (Computer Systems) Ordinance on January 1, 2026, designated operators of Critical Infrastructures (CI) and Critical Computer Systems (CCS) must act decisively. This landmark law mandates robust cybersecurity measures for Critical Computer Systems (CCS) to prevent disruptions, with non-compliance risking […]

Microsoft’s December Security Update of High-Risk Vulnerability Notice for Multiple Products

dezembro 11, 2025 | NSFOCUS

Overview On December 10, NSFOCUS CERT detected that Microsoft released the December Security Update patch, which fixed 57 security issues involving widely used products such as Windows, Microsoft Office, Microsoft Exchange Server, Azure, etc., including high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed by Microsoft’s monthly update this […]

Imagem que ilustra um monitoramento de redes.

O que é monitoramento de rede? Importância para as empresas

dezembro 11, 2025 | Eduardo Guerra

O monitoramento de rede é uma prática essencial para empresas que dependem de infraestrutura digital para operar com eficiência. Com a crescente digitalização dos negócios, a necessidade de garantir a estabilidade, segurança e desempenho das redes corporativas nunca foi tão grande. Problemas como lentidão, falhas de conectividade e ataques cibernéticos podem gerar prejuízos financeiros e […]

React/Next.js Remote Code Execution Vulnerability (CVE-2025-55182/CVE-2025-66478) Notice and Handling Manual

dezembro 4, 2025 | NSFOCUS

Overview Recently, NSFOCUS CERT has detected that React and Next.js have issued security bulletins to fix the remote code execution vulnerability of React/Next.js (CVE-2025-55182/CVE-2025-66478); Because React Server Components are insecurely deserialized when processing HTTP requests, an unauthenticated attacker can call the Node.js built-in module by constructing a specially crafted form to execute arbitrary code on […]

Cursor Remote Code Execution Vulnerability (CVE-2025-62354) Notice

dezembro 1, 2025 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that HiddenLayer released a vulnerability report disclosing the Cursor remote code execution vulnerability (CVE-2025-62354). Because Cursor’s check function for terminal commands in autorun mode has a logical flaw, an unauthenticated attacker can bypass the preset allowlist restrictions by constructing specially crafted malicious input, thereby achieving remote code execution on the […]

Uma imagem que ilustra um hacker.

NSFOCUS Monthly APT Insights – October 2025

novembro 28, 2025 | NSFOCUS

Regional APT Threat Situation In October 2025, the global threat hunting system of Fuying Lab detected a total of 31 APT attack activities. These activities were primarily concentrated in regions including South Asia, East Asia, with a smaller portion also found in Eastern Europe and Western Asia, as shown in the figure below. Regarding the […]

NSFOCUS Receives International Recognition: 2025 Global Competitive Strategy Leadership for AI-Driven Security Operation

novembro 25, 2025 | NSFOCUS

SANTA CLARA, Calif., Nov 25, 2025 – Recently, NSFOCUS Generative Pre-trained Transformer (NSFGPT) and Intelligent Security Operations Platform (NSFOCUS ISOP) were recognized by the internationally renowned consulting firm Frost & Sullivan and won the 2025 Global Competitive Strategy Leadership for AI-Driven Security Operation [1]. Frost & Sullivan Best Practices Recognition awards companies each year in […]

Uma imagem que ilustra um cadeado aberto em forma de computação.

O que é Segurança de rede? Soluções e para que serve?

novembro 22, 2025 | Eduardo Guerra

A segurança de rede é fundamental para a proteção dos negócios. Por isso, estar por dentro de todas as informações essenciais é fundamental para mantê-la sempre protegida. Neste guia, você encontrará o que precisa para manter a segurança da rede da sua empresa e conhecerá soluções efetivas, como a da NSFOCUS, para garantir que todos […]

Fortinet FortiWeb Authentication Bypass and Command Injection Vulnerability (CVE-2025-64446/CVE-2025-58034) Notice

novembro 21, 2025 | NSFOCUS

Overview Recently, NSFOCUS CERT detected that Fortinet issued a security bulletin to fix the FortiWeb authentication bypass and command injection vulnerability (CVE-2025-64446/CVE-2025-58034); Combined exploitation can realize unauthorized remote code execution. At present, the vulnerability details and PoC have been made public, and wild exploitation has been found. Relevant users are requested to take measures to […]

Uma imagem que ilustra uma pessoa mexendo em diversos computadores.

Record-Breaking Cloud Incident Brings Outage Through the Internet

novembro 19, 2025 | NSFOCUS

November 18, 2025 – Cloudflare Global Outage (not a DDoS) The timing and Cloudflare’s brief initial misdiagnosis caused widespread confusion, with many people incorrectly believing Cloudflare had been DDoSed. Some reports even mentioned that the Cloudflare Incident was linked to an earlier DDoS incident towards Microsoft Azure. In reality, the two events were unrelated. October […]