Big 4 logistics companies in Vietnam (Leading companies in the field of logistics) show interest and play an important role in digital transformation. However, this is a process that is generating many difficulties and barriers. "Meanwhile, logistics businesses do not pay attention to the safety and information security of online platforms when only 5.26% of businesses believe that this is an obstacle to the digital transformation process of businesses," VLI Institute's research emphasized. The above survey results show that, in order to promote a strong digital transformation process, , there needs to be close cooperation between logistics businesses and partners in the entire service chain network to be able to make the right decision in choosing the appropriate application or platform. Digital transformation depends very much on much depends on the thinking of business leaders and must be considered as a strategy for businesses, including small and medium enterprises. From there, some solutions are proposed to improve preservation policies. Information security and factors affecting the security policies of Big 4 Logistic Companies in Vietnam.