Cloud services refer to a wide range of services provided on demand to organizations and users over the internet. These services are designed to offer easy, affordable access to applications and resources, without the need for internal infrastructure or hardware.

With 2-factor authentication, an extra layer of security is added to a user's account to prevent someone from logging in, even if they have the correct password. This extra security measure requires users to verify their identity using a randomized code sent each time they attempt to log in.