At the time of discovery, many of the web pages had been removed with the insertions, but still visible to users through Google’s search engine archives.
In particular, the websites of some functional bodies such as: Binh Phuoc Department of Science and Technology (skcn.binhphuoc.gov.vn), Nam Dinh Provincial Department of Investment Promotion and Attraction (xuctienvathuhutdautu.namdinh. gov.vn)… has yet to always a advertisement for a card game in its subpage.
The content of the ad allows users to download applications or access “red and black” web services such as: online casino, sports, lottery, exploding pots, fish shooting, 3D card games…
According to Tuoi Tre Online According to research, these red-and-black ads are assigned by gambling services (or people hired to serve ads) on websites of organizations and government agencies to increase search results for users. that game (because gov.vn websites are always rated as reputable by Google). This is not the first time that many gov.vn websites have been tagged with gambling advertisements.
According to security experts, although the state of inserting the above ads has long appeared, but because the website system of many organizations and government agencies is still outdated, full of security flaws, bad guys can still be easily exploited.