NSFocus is a software company based in the United States, specializing in security software and information technology services. Founded in 2000, the company has grown to employ between 1,001 and 5,000 individuals, generating significant revenue. NSFocus focuses on cybersecurity, particularly in the realm of advanced persistent threats (APTs) and cyber warfare. The company publishes annual landscape reports that provide insights into the evolving nature of cyber threats, including detailed analyses of ransomware groups and APT activities. Their 2022 and 2023 APT Annual Landscape Reports highlight the dynamics of cyber warfare, including specific case studies of threat actors and their operations, particularly in the context of geopolitical conflicts. These reports serve as analytical resources for understanding the tactics and strategies employed by various cyber threat groups. Overall, NSFocus positions itself as a knowledgeable entity in the cybersecurity landscape, contributing to the understanding of complex security challenges faced by organizations today.