// android engineer && offensive security practitioner //

mario roberto fortunato

Android Engineer turned Offensive Security Practitioner, with 4+ years of experience building production mobile applications and a growing specialization in mobile penetration testing. Deep familiarity with Android internals, Kotlin/Java codebases, and mobile architecture patterns supports more thorough and developer-aware security assessments.

Certifications

Skills

Projects

Physical Key Device Protocol (PKDP)

A session-binding protocol layered on OpenSSH that cryptographically ties the lifetime of an SSH session to the continuous physical presence of a USB device. Designed as a hardware-enforced access control mechanism against unattended session hijacking.

Horizon Pattern

Designed a custom architectural pattern to extend traditional MVI approaches, enabling cleaner separation between UI and business logic in Jetpack Compose applications.

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