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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →For a fully online doctorate with cybersecurity research, the University of Southern Mississippi is a strong price-led option in the published figures reviewed: its Computer Science PhD lists 54 credits at $578.12 per credit, and online students pay resident tuition. For a doctorate explicitly focused on cyber defense, Dakota State University is worth comparing, but its coursework includes required campus seminars and its official cost figures do not reconcile clearly. Capitol Technology University lists a fully online PhD in Financial Cybersecurity at $980 tuition plus a $55 per-credit technology fee for Fall 2026–Summer 2027. These figures are not directly interchangeable, so the most affordable program for you depends on total credits, fees, travel, funding, and how closely the degree fits your research goals.
Which online cybersecurity PhD programs have published cost information?
These programs differ in degree title, research focus, credit requirements, and attendance. The table gives the published cost basis, not a guaranteed total bill or a universal ranking.
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| Program | Degree focus and format | Published cost basis | What to confirm |
|---|---|---|---|
| University of Southern Mississippi (USM), Computer Science PhD | Cybersecurity is a research area within computer science. USM describes the program as 100% online, with no required travel, including for commencement. | 54 credits at $578.12 per credit; online students pay resident tuition. Multiplying the listed rate by the credits gives $31,218.48 before costs not included in that calculation. | Confirm whether any additional fees or individual circumstances change your bill. The listed multiplication is an estimate, not a guaranteed total. USM program details. [c002] Tuition and financial resources. [c005] |
| Dakota State University (DSU), PhD in Cyber Defense | Cyber defense research and practice. Coursework is online, but the program requires an annual residency that includes three on-campus research seminars. | 72 credits; the program page estimates $3,365.10 per semester. A separate DSU tuition page lists $4,938.75 for nine online PhD credits and fees. | The two official cost presentations do not establish a dependable full-program total. Ask DSU for a current, program-specific estimate and include travel and lodging for required campus attendance. DSU program details. [c003] DSU tuition and fees. [c004] |
| Capitol Technology University, PhD in Financial Cybersecurity | Financial cybersecurity; listed as 100% online. | Minimum 60 credits. For Fall 2026–Summer 2027, tuition is $980 per credit plus a $55 per-credit IT fee. The minimum tuition-and-IT-fee calculation is $62,100, before additional dissertation credits or other costs. The application fee is $100 and is waived for Capitol Tech master’s graduates. | Rates can change; verify the schedule that applies to your start date and ask whether your plan requires credits beyond the minimum. Program and cost details. [c001] |
| National University, PhD in Cybersecurity | Online cybersecurity doctorate with listed specializations. | The reviewed program page does not state tuition. | Request current tuition and fees directly before comparing total cost. The university reports average completion of 40–44 months. Program details. [c006] |
| University of the Cumberlands, PhD in Information Technology | Online IT doctorate with cybersecurity-related curriculum; it is adjacent to, rather than titled as, a cybersecurity PhD. | 60 credits; the reviewed program page does not provide a comparable total cost. | Get a current tuition estimate and check how the curriculum matches your intended research. Program details. [c009] |
What counts as an online program?
“Online” does not always mean that you can complete every requirement from home. USM says its Computer Science PhD can be completed entirely online without travel. DSU delivers coursework online but requires an annual campus residency with three research seminars, so a student should budget for attendance as well as tuition. Capitol Tech lists its Financial Cybersecurity PhD as 100% online. Confirm the attendance policy for your specific cohort before enrolling, especially if travel would add substantial cost.
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How to compare the real cost
A per-credit price alone can make a doctorate look cheaper than it will be. Compare the full requirements on the same basis, and get the figures in writing from the program.
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- Multiply required credits by the applicable tuition rate. USM lists 54 credits and $578.12 per credit; Capitol Tech lists a 60-credit minimum and a separate per-credit IT fee for Fall 2026–Summer 2027. These calculations show a published baseline, not necessarily every charge on a student account.
- Include fees and required attendance. Ask whether program, technology, dissertation, or other fees apply. For DSU, ask for travel and lodging expectations for the annual residency as well as the current program-specific tuition estimate.
- Check which rate applies to you. USM says online students pay resident tuition. Do not assume that another university uses the same residency policy; ask the institution to confirm your rate.
- Ask how long students typically take and what happens if the degree takes longer. A longer enrollment can affect total cost, particularly if tuition or fees recur by term. Published completion figures are institutional estimates, not guarantees.
- Request an individualized estimate. Ask the graduate program or student accounts office to itemize tuition, fees, required credits, and any residency-related expenses for your start term.
How the programs differ academically
Computer science with cybersecurity research
USM’s degree is a Computer Science PhD, not a doctorate titled Cybersecurity. Cybersecurity is one of its research areas. This can suit applicants whose proposed work fits within computer science research while allowing them to pursue the fully online format described by the university. USM reports an average completion time of four years and allows up to eight years. Review the program’s research and completion information. [c002] [c005]
Cyber defense and financial cybersecurity
DSU’s PhD in Cyber Defense is explicitly centered on cyber defense research and practice, with the annual on-campus seminars as an important format constraint. Capitol Tech’s PhD in Financial Cybersecurity has a narrower named focus. Compare faculty expertise, dissertation fit, and required attendance alongside price: a lower published rate is of little value if the program cannot support your research direction.
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Cybersecurity-titled and related alternatives
National University lists a PhD in Cybersecurity and specializations, while the University of the Cumberlands offers an Information Technology PhD with cybersecurity-related curriculum. The latter is an adjacent option rather than an identically titled credential. For either school, establish the current full cost directly because the reviewed pages do not provide a comparable total.
Completion time and funding can change your estimate
Published timelines are planning references, not promises. USM reports an average of four years and a maximum of eight; DSU describes three years for a full-time path and up to seven for part-time study; National University reports an average of 40–44 months. Ask how the estimate is calculated, whether it assumes full-time enrollment, and what charges continue if you need extra terms. DSU program timeline. [c003]
Rank #3
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Funding can change what an individual pays, but eligibility and availability matter. Capitol Tech describes a 20% doctoral tuition discount for eligible full-time high school and community college faculty and staff. DSU and USM direct prospective students to tuition and scholarship resources. Confirm eligibility, award availability, and whether aid applies to your specific program and enrollment pattern before subtracting it from a cost estimate. Capitol Tech program information. [c001] USM financial resources. [c005] DSU tuition information. [c004]
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is DSU the most affordable online cybersecurity PhD?
DSU reported that Cybersecurity Guide’s 2026 rankings named its online cybersecurity PhD programs the most affordable. That is an attributed ranking, not proof that DSU will cost the least for every student. Its published program estimate of $3,365.10 per semester differs from a separate DSU figure of $4,938.75 for nine online PhD credits and fees, and the annual residency can add travel costs. Ask DSU to explain which estimate applies to your plan before relying on a total. DSU’s December 5, 2025 announcement. [c008]
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No single winner can be established from these published figures: credit loads, required fees, attendance, tuition schedules, and available funding differ. Use a current written estimate for your own enrollment plan rather than treating a per-credit or per-semester headline as the final price.
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