Saritha A, RamaSubba Reddy B, Suresh Babu A. A study of virtual private networks security issues and restrictions. IJET [Internet]. 2018 Sep. 25 [cited 2025 Aug. 17];7(4.6):328-31. Available from: https://mail.sciencepubco.com/index.php/IJET/article/view/30919