5 Most Affordable Online PhD in Cybersecurity Degrees 2025

If you're looking to move forward in the cybersecurity field, you may consider completing a terminal degree program online. A PhD in cybersecurity allows you to complete advanced coursework and conduct original research without putting your career on hold.

Below, we'll explore several opportunities that are affordable and delivered in a flexible, online format. Keep reading to find an online cybersecurity doctorate and reach your career goals.

What Is a Doctorate in Cybersecurity?

A doctorate in cybersecurity is the highest academic degree in the field. It focuses on advanced research and leadership in protecting information systems. Enrollees study topics such as vulnerabilities, cyber operations, and evolving cyber threats while developing strategies to strengthen digital defenses.

Programs typically combine specialized coursework with a dissertation that addresses a critical issue in the discipline. Graduates are ready to move into leadership roles in government agencies, academia, or industry.

Can I Earn a Cybersecurity PhD Online?

Yes, you can earn a PhD in cybersecurity online through programs that deliver coursework and research guidance in a flexible virtual format. While most learning is remote, some universities may require limited in-person components like hands-on sessions, doctoral seminars, or dissertation defenses. Students typically also remotely complete a substantial research project that contributes new knowledge to the cybersecurity field.

How Much Does an Online PhD in Cybersecurity Cost?

For cybersecurity professionals, the cost of an online PhD can vary widely. Most programs are going to be significantly more expensive than paying for a bachelor's degree.

Additionally, the cost of the cybersecurity program may depend on whether you're a full-time or part-time student. The tuition rates on this list vary from around $400 per credit hour to $1,000 per credit hour. However, many schools charge more than that range. Students can find scholarships and grants to help cover costs.

Cheapest Online Cybersecurity PhD Programs

If you're ready to take cutting-edge cyber defense courses at the doctoral level, check out the affordable PhD degree programs below. We'll cover a wide range of opportunities.

1. Dakota State University

Dakota State University offers a 72-credit PhD program that prepares students for advanced research and leadership roles in the cybersecurity field. The program blends technical, managerial, and policy-focused coursework with in-depth dissertation research.

It is offered primarily online, though there are three on-campus seminars held on their Madison, South Dakota, campus. Full-time students can complete the program in only three years. There are specific admissions requirements students must meet, including holding a bachelor's and a master's degree from accredited universities.

• Estimated tuition cost: $401.55 per credit hour
• Financial aid: Graduate assistantships, child of alumni discount rate, South Dakota state employee tuition reduction, scholarships, grants, and loans can help make tuition more affordable.
• Accreditation: Higher Learning Commission (HLC)

2. Augusta University

At Augusta University, graduate students can pursue a hybrid online PhD in intelligence, defense, and cybersecurity. Graduates are prepared for leadership roles in government agencies, academia, defense sectors, or intelligence communities.

Students must complete 84 credits to graduate. However, those who have already completed a master's degree can transfer in up to 30 credits.

• Estimated tuition cost: $474 per credit hour
• Financial aid: Scholarships, loans, and grants can be used to pay for tuition.
• Accreditation: Southern Association of Colleges and Schools Commission on Colleges (SACSCOC)

3. Colorado Technical University

Colorado Technical University offers a fully online Doctor of Computer Science in cybersecurity and information assurance. The program combines coursework with a multi-phase dissertation process. Students learn to assess threats, design security solutions, and address policy and ethical concerns.

Students must complete 100 credits to graduate from the program. The admissions process is simple and quick. Students can start classes about every five weeks.

• Estimated tuition cost: $598 per credit hour
• Financial aid: Students can lower the cost of tuition through scholarships, grants, or loans.
• Accreditation: HLC

4. Capital Technical University

Capitol Technology University offers a flexible online doctoral degree in cybersecurity. It prepares students for advanced research, leadership, and strategic roles in the field.

The program combines core coursework, research theory, and professional ethics with a multi-stage dissertation process. Various elective topics allow students to customize their studies according to their interests.

• Estimated tuition cost: $975 per credit hour
• Financial aid: Scholarships, grants, and loans are available to help manage tuition costs.
• Accreditation: Middle States Commission on Higher Education (MSCHE)

5. National University

National University offers an online Phd in technology management with a specialization in cybersecurity. The 60-credit program blends courses on cybersecurity fundamentals, forensics, risk management, and critical infrastructure threats with a structured dissertation pathway.

Students benefit from the flexibility with asynchronous coursework and year-round enrollment. Additionally, students have access to individualized mentoring from doctors in the field.

• Estimated tuition cost: $1,000 per credit hour
• Financial aid: Scholarship, grants, and loans can help lower the cost of tuition.
• Accreditation: WASC Senior College and University Commission

How We Rank Schools

The schools on this list are ranked based on several criteria. Some of these factors include:

• Accreditation: All schools have received accreditation from recognized agencies like the HLC.
• Affordability: We only chose programs with tuition rates at $1,000 per credit hour or less. The schools also offer financial aid to make it more affordable.
• Program reputation: All of the chosen programs are high-quality, and feature expert faculty and robust curricula.

What To Expect From an Online PhD in Cybersecurity

An online PhD in cybersecurity typically combines advanced coursework in topics such as cryptography, network defense, cyber policy, and risk management with original research that contributes to the field. Programs are often delivered in a flexible, fully online format.

Students refine expert-level skills in data analysis, secure system design, ethical decision-making, and technical problem-solving. Graduates emerge prepared for leadership roles in academia, government, or the technology industry.

FAQs About the Cheapest Online PhDs in Cybersecurity

If you're thinking about pursuing a doctoral degree in cybersecurity, keep reading to learn about commonly asked questions. We'll discuss timelines, career prospects, and more.

Is an Online PhD in Cybersecurity Worth It?

An online PhD in cybersecurity can be worth it for those seeking advanced expertise and leadership roles in technology, research, or policy. It offers the opportunity to contribute original research to the field while developing highly specialized skills.

Are Online Cybersecurity PhDs Respected?

Yes, online cybersecurity PhDs from accredited institutions are respected by employers and academic peers alike. The rigor of the curriculum and research requirements ensures graduates are well-prepared for professional and academic roles.

How Long Does a PhD in Cyber Security Take?

Most programs take three to six years to complete, depending on prior experience and research progress. The timeline includes coursework, comprehensive exams, and dissertation research.

What Can I Do With a PhD In Cybersecurity?

Graduates can pursue careers as cybersecurity researchers, chief information security officers, or professors in academic institutions. They may also work in government or private industry, developing security strategies and advancing technology solutions.

Discover Online Doctoral Programs

If you're looking to earn a terminal degree in cybersecurity, then explore the online programs listed on Learn.org. Get in touch with schools directly for the latest information.