http://antoanthongtin.gov.vn/hacker-malware/cac-hinh-thuc-tan-cong-social-engineering-pho-bien-104856
http://antoanthongtin.gov.vn/giai-phap-khac/ky-nghe-xa-hoi---moi-de-doa-lon-doi-voi-an-toan-thong-tin-phan-2-100414
https://cystack.net/vi/blog/social-engineering