WEEKLY RECAP
Encryption & Caesar Cipher Encryption: Process of converting readable data (plaintext) into unreadable data (ciphertext)…
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The WannaCry Ransomware Attack
1. Background Date of outbreak: May 12, 2017 Type of malware: Ransomware (crypto-virus) Impact: Affected…
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SUBNET MASK AND DEFAULT GATEWAY
SUBNET MASK Think of IP address as your house number in a big city. The…
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ANTIVIRUS vs FIREWALL
1. What is a Firewall? A firewall acts as a barrier between your computer or…
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LINUX COMMAND OF THE DAY
1. grep (Global Regular Expression Print): Used to search text or patterns inside files. Syntax:…
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WHAT IS ENCRYPTION ?
Encryption is the process of converting readable data (called plaintext) into an unreadable format (called…
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WEEKELY RECAP
🔹 Public vs. Private IP AddressesI learned how public IPs allow devices to connect to…
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WHAT IS SUBNETTING ?
Subnetting is a method in computer networking used to divide a large IP address network…
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What is DNS?
DNS (Domain Name System) is like the phonebook of the internet. It translates domain names…
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LINUX COMMAND OF THE DAY
1. cat (concatenate and display file contents) Used to view contents of a file or…
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