Networks and Security

Explore articles about cybersecurity, networking, and cloud technology. Learn about career paths in security and IT, in-demand skills and certifications, and how to prepare for roles such as cybersecurity analyst and cloud engineer.

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[Featured Image] An IT specialist wears a headset and works on a computer while helping a customer understand what a mesh network is.

What Is a Mesh Network and Why You’d Use One

A mesh network is a type of wireless technology that provides increased reliability. Explore mesh networking and how it compares to traditional options. Learn how to improve your network connectivity and build entry-level networking skills.

October 30, 2024

Article

[Featured Image] Six employees work at their computers and workstations thanks to an effective network switch that allows them to connect to the local area network seamlessly.

Network Switches: What Are They and How Do They Work?

Network switches are an important part of networking hardware. Discover how network switches create the foundations for enterprise computer networking.

October 30, 2024

Article

[Featured Image] After learning what is bandwidth and the benefits of high bandwidth, a group of businesspeople work on their computers simultaneously, talking amongst themselves and collaborating.

What Is Bandwidth: Definition and Tips

Bandwidth plays a significant role in modern technology across the world. Learn more about what bandwidth is and why it is crucial for internet connections.

October 30, 2024

Article

[Featured Image] An IT specialist wears a headset and works on a computer while helping a customer understand what a mesh network is.

What Is a Mesh Network and Why You’d Use One

A mesh network is a type of wireless technology that provides increased reliability. Explore mesh networking and how it compares to traditional options. Learn how to improve your network connectivity and build entry-level networking skills.

October 30, 2024

Article

[Featured Image] Six employees work at their computers and workstations thanks to an effective network switch that allows them to connect to the local area network seamlessly.

Network Switches: What Are They and How Do They Work?

Network switches are an important part of networking hardware. Discover how network switches create the foundations for enterprise computer networking.

October 30, 2024

Article

Explore popular networks and security courses

Google

Skills you'll gain: Threat Modeling, Network Security, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Incident Response, Threat Management, Cybersecurity, Network Protocols, Threat Detection, Cloud Security, Vulnerability Assessments, Network Architecture, Computer Security Incident Management, Operating Systems, Debugging, Linux, Web Presence, Python Programming, SQL

4.8 stars, 70K reviews, Beginner, Professional Certificate, 3 - 6 Months
Status: Free trial
Category: Build toward a degree

Google

Skills you'll gain: Cybersecurity, Security Controls, Cyber Attacks, Security Information and Event Management (SIEM)

4.8 stars, 43K reviews, Beginner, Course, 1 - 4 Weeks
Status: Trending right now
Status: Free trial

IBM

Skills you'll gain: Email Security, Cybersecurity, Hardening, Authorization (Computing), Cyber Attacks, Security Awareness, Security Controls, Encryption, Data Security, Authentications, Application Security, Threat Detection, Cryptography, Patch Management, Multi-Factor Authentication

4.9 stars, 2K reviews, Beginner, Course, 1 - 4 Weeks
Status: Free trial
[Featured Image] A fiber technician connects fiber optic cables to a switch.

What Is Fiber Optics?

Fiber optics is restructuring the world of communications with its ability to send data faster and more reliably than traditional cables. Explore what fiber optics is and how it works within your career goals.

October 29, 2024

Article

[Featured Image] A woman sits at a desk and participates in a virtual meeting, one of many software as a service examples.

Software as a Service: Examples to Know in 2026

Software as a service, or SaaS, is a business model for software providers to offer access to their centrally hosted products for a subscription fee. Read on to learn eight software as a service examples and gain insight into their business models.

October 29, 2024

Article

[Featured Image] A technical consultant holds a tablet while talking with a colleague as they walk through an office.

What Is a Technical Consultant? And How to Become One

Learn more about what a technical consultant does and how to start your career as one, including the education and training requirements needed for the role.

October 25, 2024

Article

[Featured Image] A business manager stands in front of a screen in a conference room and conducts a meeting on why data privacy is important.

Why Is Data Privacy Important?

Learn more about why data privacy is important, as well as careers relating to data privacy, and some useful tips you can use to help keep your data private.

October 25, 2024

Article

[Featured Image] Business professionals gather around a table in a well lit confrence room, each on a laptop connected through a wireless access point, discussing business stats and projects.

Complete Guide to Wireless Access Points

Wireless access points are key additions to businesses looking for stronger and more reliable internet access. Explore what wireless access points do and the benefits of wireless access points for businesses.

October 25, 2024

Article

[Featured Image] Students in a computer programming class gathering around a computer and a whiteboard to create a network diagram for an assignment.

Network Diagrams Explained

Network diagrams can be a powerful professional tool. Discover more about the standard types of diagrams, the pros and cons of using network diagrams, and how to start creating them yourself.

October 25, 2024

Article

[Featured Image] Two IT professionals look at a computer and talk about their company's token ring.

What Is a Token Ring? Understanding Local Area Networks

In local area networks (LANs), token ring technology offers a unique approach to facilitating reliable and orderly communication between network devices.

October 25, 2024

Article

[Featured Image] Two network security engineers collaborate while troubleshooting a web development project to enhance cybersecurity.

What Does a Network Security Engineer Do?

Network security engineers help businesses keep important, sensitive data safe. Learn more about this role, including the skills, education, and cybersecurity experience you’ll need to be successful.

October 24, 2024

Article

[Featured Image] An IT expert sits at a laptop wearing a headset and talking a technician through a network layer repair.

What Is the Network Layer? Definition and Practical Applications

The network layer allows for end-to-end communication between computer networks by assigning addresses to devices and routing data packets. Learn more about what the network layer is and the functions it performs in the broader networking system.

October 24, 2024

Article

[Featured Image] After learning what is bandwidth and the benefits of high bandwidth, a group of businesspeople work on their computers simultaneously, talking amongst themselves and collaborating.

What Is Bandwidth: Definition and Tips

Bandwidth plays a significant role in modern technology across the world. Learn more about what bandwidth is and why it is crucial for internet connections.

October 30, 2024

Article

[Featured Image] A fiber technician connects fiber optic cables to a switch.

What Is Fiber Optics?

Fiber optics is restructuring the world of communications with its ability to send data faster and more reliably than traditional cables. Explore what fiber optics is and how it works within your career goals.

October 29, 2024

Article

[Featured Image] A woman sits at a desk and participates in a virtual meeting, one of many software as a service examples.

Software as a Service: Examples to Know in 2026

Software as a service, or SaaS, is a business model for software providers to offer access to their centrally hosted products for a subscription fee. Read on to learn eight software as a service examples and gain insight into their business models.

October 29, 2024

Article

[Featured Image] A technical consultant holds a tablet while talking with a colleague as they walk through an office.

What Is a Technical Consultant? And How to Become One

Learn more about what a technical consultant does and how to start your career as one, including the education and training requirements needed for the role.

October 25, 2024

Article

[Featured Image] A business manager stands in front of a screen in a conference room and conducts a meeting on why data privacy is important.

Why Is Data Privacy Important?

Learn more about why data privacy is important, as well as careers relating to data privacy, and some useful tips you can use to help keep your data private.

October 25, 2024

Article

[Featured Image] Business professionals gather around a table in a well lit confrence room, each on a laptop connected through a wireless access point, discussing business stats and projects.

Complete Guide to Wireless Access Points

Wireless access points are key additions to businesses looking for stronger and more reliable internet access. Explore what wireless access points do and the benefits of wireless access points for businesses.

October 25, 2024

Article

[Featured Image] Students in a computer programming class gathering around a computer and a whiteboard to create a network diagram for an assignment.

Network Diagrams Explained

Network diagrams can be a powerful professional tool. Discover more about the standard types of diagrams, the pros and cons of using network diagrams, and how to start creating them yourself.

October 25, 2024

Article

[Featured Image] Two IT professionals look at a computer and talk about their company's token ring.

What Is a Token Ring? Understanding Local Area Networks

In local area networks (LANs), token ring technology offers a unique approach to facilitating reliable and orderly communication between network devices.

October 25, 2024

Article

[Featured Image] Two network security engineers collaborate while troubleshooting a web development project to enhance cybersecurity.

What Does a Network Security Engineer Do?

Network security engineers help businesses keep important, sensitive data safe. Learn more about this role, including the skills, education, and cybersecurity experience you’ll need to be successful.

October 24, 2024

Article

[Featured Image] An IT expert sits at a laptop wearing a headset and talking a technician through a network layer repair.

What Is the Network Layer? Definition and Practical Applications

The network layer allows for end-to-end communication between computer networks by assigning addresses to devices and routing data packets. Learn more about what the network layer is and the functions it performs in the broader networking system.

October 24, 2024

Article

Networks and security encompass many skills and career paths, including data privacy, cloud security, cryptography, and network administration. In today's digital age, experts in networks and security are highly sought after across various industries. Pursuing a career in this rapidly expanding field allows you to leverage technical skills to make a significant business impact. Delve into the diverse career options, essential skills, and job types within networks and security to begin your journey in this dynamic and rewarding domain.

Ready to start learning? Explore our catalog of network administration, cybersecurity, and cloud security courses for beginners and experienced professionals.

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