Presentation on “Mobile Device Security for Remote Work.” Emphasize that remote work is becoming an irreversible trend, with 12.7% of employees working full-time from home and 28.2% adapting to a hybrid work model. However, this shift also brings heightened cybersecurity risks, such as 64.78% of internet phishing cases in Vietnam in 2023 and 83,000 computers and servers attacked by ransomware. Delve into prevention methods, focusing on training and raising awareness about cybersecurity, adhering to information security standards, and protecting mobile applications through three layers of security, from data protection to advanced security tools. These measures aim to enhance the ability to cope with cyber threats in a remote working environment.