Intro 2021 witnessed a complex and changeable network security situation. Large-scale and targeted cyber attacks continue to grow. Critical information infrastructure is still the hardest hit area. Data leakages and industrial supply chain attacks occur frequently. While emerging technologies such as Big Data, Internet of Things, Artificial Intelligence and Mobile...
Author: Jie Ji
Reflective and Short-burst DDoS Attacks Harnessed to Knock Down the Targets in Ukraine
Background Since 2022, the relationship between Russia and Ukraine has become increasingly tense. The two sides are at loggerheads and have deployed a large number of military personnel and equipment in the border areas of the two countries. However, since entering the 21st century, war is not limited to armed...
Highlights of 2021 Security Emergency Incident Observations
Intro The world of cybersecurity is rapidly changing and technologies continue to evolve and innovate. While emerging technologies on big data, Internet of Things, artificial intelligence, mobile payment, just name a few, are helping digital transformation, new security risks expose constantly. Security incidents handled by NSFOCUS emergency response team in...
APT Lorec53 group launched a series of cyber attacks against Ukraine
Overview Recently, NSFOCUS Security Labs captured a large number of phishing files against Ukraine in format of pdf, doc, cpl, lnk and other types. After analysis, we confirmed that the series of phishing activities came from the APT group Lorec53. During the period from the end of 2021 to February...
Microsoft’s February security update for multiple high-risk product vulnerabilities
Overview On February 9, NSFOCUS CERT detected that Microsoft released the February security update patch, which fixed 48 security issues involving widely used products such as Windows, Microsoft Office, Microsoft Dynamics, and Azure, including privilege escalation and remote code execution. and other high-risk vulnerability types. Among the vulnerabilities fixed by...
India’s National APT Organization SideWinder Launched Phishing Attacks
Overview Recently, NSFOCUS Labs discovered that the South Asian APT organization SideWinder launched phishing attacks with documents used Pakistan National Day-related content as the bait. The domain name of command and control (C2) server was forged as a Pakistani government website. Since SideWinder ‘s targets include Pakistan and China, it...
