CCNA Archives - The Security Buddy

What is smishing and how to prevent it?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, End Point Protection, Malware Prevention, Mobile Phone Security, Online Banking Security, Phishing, Security Fundamentals

What is smishing? We often get spam SMSes. They are not only annoying but sometimes they can be dangerous, too. Attackers often harvest the phone numbers of potential victims and send them malicious SMSes that usually contain a link or a number to call back to. When a...

How to prevent vishing?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, End Point Protection, Malware Prevention, Mobile Phone Security, Online Banking Security, Phishing, Security Fundamentals

What is vishing? Vishing is the practice of using social engineering over the telephone system with the purpose of stealing sensitive financial information or other sensitive personal data from a victim. Vishing is one of the most serious threats today and is widely...

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...

What is email spoofing and how to prevent it?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, Email Security, End Point Protection, Malware Prevention, Online Banking Security, Phishing, Security Fundamentals

What is email spoofing? We often receive phishing emails containing dubious sender addresses. Sometimes, the emails forge the email address of a widely well-known person. Sometimes, suspicious emails are sent from the email address of someone closely known to us. But...

How do NAT and VPN work?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, Data Security, End Point Protection, Information Security, Malware Prevention, Network Security, Online Banking Security, Privacy, Security Fundamentals, VPN

We often use NAT and VPN in an organization to access the remote network. Let's understand how they work. What is NAT or Network Address Translation? Network Address Translation, or NAT, is a method by which IP addresses are mapped from one group to another. The...