Category: 2. Security (220-1002)

Ransomeware is a type of malware in which hackers lock you out of your data until you pay the hackers a fee. Security professionals may be able to retrieve your…

Single-factor Multifactor RADIUS RADIUS stands for Remote Authentication Dial in User Service. It’s a common AAA (Authentication, Authorization, Accounting) protocol. RADIUS allows for centralized authentication of users. For example, multiple…

WEP WEP stands for Wired Equivalent Privacy Uses standard 40 bit encryption to scramble data packets. Some vendors support 104 bit encryption.  WEP was found to be vulnerable to attack…

The principle of least privilege refers to the concept that users should only be granted to the bare minimum of rights and permissions that are needed to perform their job….

It’s important to know the source of an application. Applications of unknown origins may have malicious code which once installed on your computer, can basically have access to your entire…

Email filtering can be used to stop unsolicited or potentially harmful email from ever reaching the intended user. Organizations can choose to have a centralized mail gateway on premise or…

With Smart Card security, a user must have a physical card that provides access. Computers may come with smart card slots where users can enter their smart card for validation….

Access Control Lists, also known as ACLs, are used to allow or block traffic. ACLs can also be used to identify what traffic needs to have NAT performed on or…

DLP stands for Data Loss Prevention. You wouldn’t want sensitive information, such as social security numbers, credit card numbers, health records, etc. to be easily transferred across or out of…

VPN stands for Virtual Private Network. VPNs are used for end users to create a secure tunnel between their device and the corporate network. The security is created by encrypting…