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3i Infotech

Cyber Security Intern

InternshipIn OfficeMumbai, Maharashtra3 months18K/mo1 openingImmediate / Rolling
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About this internship

Join 3i Infotech in Mumbai as a Cyber Security Intern. This entry-level internship is built for candidates early in their journey who are eager to turn classroom knowledge into hands-on cybersecurity experience on real, business-facing work. As a Cyber Security Intern, you will work closely with…

Skills you'll use

Network SecurityLinuxVulnerability AssessmentSIEMPythonEthical Hacking

What you'll do

  • running vulnerability assessments
  • monitoring security alerts
  • supporting incident response
  • documenting security findings
  • Collaborate with the team and document your work
  • Take ownership of assigned tasks and act on feedback

Who can apply

  • Pursuing or recently completed a relevant degree (stream depends on the role) — 2026 freshers & final-year students welcome
  • Foundational knowledge of Network Security, Linux, Vulnerability Assessment (or a strong willingness to learn them)
  • Good communication, problem-solving and a genuine eagerness to learn
  • Based in or willing to work from Mumbai
  • A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Hands-on with industry toolsPre-Placement Offer (PPO) opportunityFlexible working hoursInternship CertificateLetter of Recommendation

Interview & selection process

3 rounds — typical selection flow for this role:

  1. 1Application screening & resume shortlisting by the talent team
  2. 2Case study or take-home assignment with a short presentation
  3. 3HR discussion — stipend, start date, expectations and offer

About 3i Infotech

3i Infotech is a it services company with a strong, growing presence in Mumbai — one of India's biggest hubs for early-career opportunities. The team believes the best way to grow is by doing, which is why interns here are given real ownership from the start rather than being kept on the…
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