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    Johns Hopkins University

    Master of Science in Security Informatics (MSSI)

    Last verified against the official program page on .

    Baltimore, USMSIn-person18 months
    STEM-OPT
    $100,005.00
    Tuition
    over 18mo
    30
    Credits

    Master of Science in Security Informatics (MSSI) at Johns Hopkins University is a 30-credit, 18-month, in-person MS program based in Baltimore, US. Tuition is $100,005 and the program is STEM-OPT eligible for international students.

    About the program

    The program requires 10 approved graduate-level courses and a capstone project. Students choose between Technology & Research track (5 technology courses including cryptography, 3 policy/management/health courses) or Policy & Management track (3 technology courses, 5 policy/health/management courses).

    Focus: coursework
    U.S. News & World Report 2025–2026: #13 (JHU Engineering graduate programs)

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    Deadlines

    Spring 2027
    Oct 1, 2026

    Standardized tests

    GRE
    optional
    Min Applicants to the MSSI program are not required to submit GRE scores. It is an optional material to submit with your application. As general reference ONLY, the preferred scores are as follows: [no specific scores listed]
    TOEFL
    required
    Min TOEFL: 100 (for international applicants only)
    IELTS
    required
    Min IELTS Test: 7.0 (for international applicants only)

    After the program

    Post-study work rights

    12 months OPT (US), 24 months STEM OPT (US)

    $22,257.00
    Annual living cost

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    Prerequisites

    Specific coursework this program expects you to have completed: calculus, linear algebra, programming, statistics, and subject-specific prerequisites where applicable.

    Recommendations

    Exact count of letters required, whether academic vs professional references are preferred, and any program-specific guidance on who to ask.

    Essays

    Number of essays required (statement of purpose, personal statement, diversity statement), prompts where the program publishes them, and whether supplemental essays are optional or mandatory.

    Contact

    Direct email and phone for the admissions office handling this program, plus a link to the program-specific inquiry page where available.

    Frequently asked questions

    How much does Master of Science in Security Informatics (MSSI) at Johns Hopkins University cost?
    The total estimated tuition for Master of Science in Security Informatics (MSSI) at Johns Hopkins University is $100,005 across 30 required credits.
    Is Master of Science in Security Informatics (MSSI) at Johns Hopkins University online or in-person?
    Master of Science in Security Informatics (MSSI) at Johns Hopkins University is offered in-person.
    How long does Master of Science in Security Informatics (MSSI) at Johns Hopkins University take to complete?
    Master of Science in Security Informatics (MSSI) at Johns Hopkins University is structured around 18 months and 30 credits.
    Is Master of Science in Security Informatics (MSSI) at Johns Hopkins University STEM-OPT eligible?
    Yes - Master of Science in Security Informatics (MSSI) at Johns Hopkins University is STEM-OPT designated, allowing international graduates to extend their post-completion OPT for up to 36 months total.
    What work-permit options follow Master of Science in Security Informatics (MSSI) at Johns Hopkins University?
    Post-completion work rights for Master of Science in Security Informatics (MSSI) at Johns Hopkins University: 12 months OPT (US), 24 months STEM OPT (US)