OpenVPN is an open-source VPN software that uses a custom security protocol and SSL/TLS to secure data transmission. Data transferred through OpenVPN is also not restricted by NATs and firewalls. As a result, OpenVPN is one of the preferred VPN software. But how does...
RSA (Rivest–Shamir–Adleman) cryptosystem is a public-key cryptosystem that is widely used for secure data transmissions. It was first described by three cryptographers, Ron Rivest, Adi Shamir, and Leonard Adleman, in 1977. And, the cryptosystem is named after the...
What is Reverse Tabnabbing? A web page often refers to another web page on a different website. We use a hyperlink or JavaScript to open the referred web page in a new tab. Reverse Tabnabbing is an attack in which a malicious or compromised web page can overwrite the...
What is the Kerberos Protocol? Kerberos is a network authentication protocol using which a node in a non-secure network can verify the identity of another node securely. As per Greek mythology, Cerberus or Kerberos is a multi-headed dog whose job is to guard the gates...
The ElGamal encryption algorithm is a public key encryption algorithm that was described by the Egyptian cryptographer Taher Elgamal in 1985. This encryption algorithm is used in many places. Many of us may have also used this encryption algorithm in GNU Privacy Guard...
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