Virtual private networks (VPNs) are very useful when it comes to transferring data in a secure way. VPNs enable information security, but they are still exposed to high risks from hackers, every day. If you want to learn how to secure VPNs, this chapter will guide you from the required fundamentals of cryptography to obtaining the skills you need to secure VPNs.
This chapter will cover the following topics:
- Cryptography
- VPN fundamentals
- Insecure VPN exploitation