Is it safe to use WiFi in hotels?

Not necessarily safe.

There are three major security risks in free WiFi:

The first is that the public WiFi set up by merchants does not have basic Internet access recording functions and cannot realize real-name Internet access. Once a cybercrime occurs, , unable to find the perpetrator, only the WiFi provider;

The second is that the merchant password is too simple, and various management ports are not closed. Once someone enters the main router, tamper with DSN server information, etc. , hijack routers;

The third is that free WiFi is overwhelming, and it is difficult for citizens to distinguish which one belongs to criminals. If used carelessly, it only takes a few minutes to steal personal information and passwords on mobile phones, including online banking passwords. , stock trading account password, credit card password, etc.

Extended information

Case:

Access to "free WiFi", and the 60,000 on the card becomes 500.

A Yangzhou citizen’s bank card was unused, but the money on the card disappeared. In less than two days, a total of 69 transaction records were recorded, and 60,000 yuan in the client’s account was recorded. Duan Duan only had 500 yuan left, but his bank card, U-shield and password that ensured the security of online banking were not lost. After investigation, it was related to the fact that he had accessed unsafe WiFi in public places.

Miss Chen, a Beijing citizen, attended a work meeting in a five-star hotel, logged into a "WiFi" abbreviated with the pinyin of the hotel name, opened QQ and Taobao and started shopping. After 5 minutes, Ms. Chen’s QQ started to go offline automatically, prompting someone to log in from another place.

Within a few minutes, the invisible hacker started a login tug-of-war with her. While the other party was controlling her, her QQ kept sending disguised phishing websites to her friends. Ms. Chen then explained the situation to Tencent and successfully regained control of QQ.

People's Daily Online - Three major security risks in free WiFi