Information Security Archives - The Security Buddy

What is a Digital Signature and how does it work?

CCNA, CCNP, CompTIA, Data Security, Encryption, Information Security, Security Fundamentals

What is a Digital Signature? A digital signature is a mathematical scheme using which we can verify the authenticity of a digital message. If a sender sends a digital message to a recipient and the recipient wants to be sure that the digital message was indeed sent by...

What is a Digital Certificate?

CCNA, CCNP, CompTIA, Encryption, Information Security, Security Fundamentals

What is a Digital Certificate? A digital certificate is an electronic document that proves the ownership of a public key. A digital certificate contains various information, such as the identity of the owner of the public key, information about the public key and the...

What is DMZ in computer networking?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, Information Security, Network Security

What is DMZ or Demilitarized Zone in computer networking? In computer security, DMZ or Demilitarized Zone is a physical or logical subnetwork that separates an organization’s internal network (LAN) from an untrusted network, usually the Internet. Usually, the servers...

What is Access Control?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, End Point Protection, Exclusive Articles, Information Security, Securing Authentication, Security Fundamentals

What is Access Control? All users may not have permission to access all the resources in a system or network. A system should be able to allow or deny access to certain resources based on the identity or role of the user or the group the user belongs to. This can be...

Symmetric Key Encryption vs Public Key Encryption

CCNA, CCNP, CompTIA, Data Breaches and Prevention, Data Security, Encryption, End Point Protection, Information Security, Privacy, Security Fundamentals

Encryption is the most feasible option for safeguarding data from theft or protecting privacy. It converts sensitive data to something that can be read only by authorized people. Nowadays, there are many encryption solutions available, and we have many options when...