Intro This article cuts into 5G from the key technologies of 5G networks and discusses the security risks facing 5G networks. Today, 5G networks have achieved performance goals, namely high speed, low latency, and large capacity, and have started a new chapter for communications between mobile devices. Further, 5G will...
Category: Research & Reports
OBSERVATIONS OF SECURITY EVENTS IN 2021 – Conclusion of Yesterday for a Better Tomorrow
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...
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...
Moving Swiftly from Makeshift Remedies to Routine: A Thought on Security Operations
On December 9, 2021, the Log4j vulnerability was disclosed and had a huge impact. According to monitoring of NSFOCUS Threat Intelligence, hundreds of thousands of assets were affected by the vulnerability. A week after the vulnerability was disclosed, the NTI detected tens of thousands of malicious IP addresses using the...
Russian APT Group Gamaredon Launches Phishing Campaign against Ukrainian Ministry of Foreign Affairs
Recently, NSFOCUS Security Labs captured a fishing document with the theme "ПÐРТÐЕРИ КУЛЬТУРÐОЇ ДИПЛОМÐТІЇ МЗС УКРÐЇÐИ" (Cultural Diplomatic Partner of the Ukrainian Ministry of Foreign Affairs), and confirmed that the producer of the document was Gamaredon, a Russia-based advanced persistent threat group. The phishing document contains highly credible bait content, and...
