Wifi is awesome
According to the country's top network security official, public Wi-Fi is fundamentally insecure, and such services in various Vietnamese cities are not immune. Hackers can intercept user information like as accounts, passwords, or credit card numbers in WiFi-friendly locations such as Da Nang, Hai Phong, Hoi An, or Ha Long, according to BKAV Corporation in a report released last month.
If you're a digital nomad or work while traveling, Vietnam is a great country to visit because Wifi is available in almost every town. Although not as fast as in Thailand, the Wifi is adequate for getting work done, making video calls, or simply enjoying yourself! Almost all hostels and motels have excellent internet access. If you only require the internet, you can also avoid purchasing a local sim. This is definitely one of the top Things to Know Before Traveling to Vietnam.