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Install a different Python version in Ubuntu

Most GNU/Linux operating systems come with Python 2 and 3 preinstalled. These versions are usually several releases behind the current version. In this guide, we are going to install a recent Python version without interfering with the default configuration

Multi-factor Authentication

Multi-factor authentication allows a user to log in to a service by presenting additional proof of identity other than the username and password

Botnets

Zombie computing devices used my hackers to commit illicit activities online

Firewalls

A firewall is a hardware or software device that filters and blocks incoming or outgoing traffic based on a predefined set of rules.