Summer 2027 Cybersecurity internships

As of November 12, 2026, Intern Insider listed 407 open Summer 2027 internships that mention Cybersecurity, from 237 companies. 298 of these listings are not titled as Cybersecurity roles, so a title-only search misses them. Employers on this page include Lockheed Martin, Lawrence Livermore National Laboratory and Navy Federal Credit Union. 406 listings state that the role is paid. This page does not invent a salary when the listing is silent. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.