A free Java tool grew into a Belgian security business built around an awkward fact: your app runs on someone else’s phone. Guardsquare wants to make that a much less comfortable place for attackers.
Zimperium built a business around an awkward corporate truth: the phone is now an endpoint, an authenticator and a bank branch, yet it is often the least visible screen in the security operation. Its answer is to defend both the device in an employee’s hand and the app in a customer’s pocket.

The SEWORKS founder turned childhood curiosity, competitive hacking and one successful exit into a durable idea: software gets safer when its defenders learn to think like attackers.

After two failed startups and one brush with shutdown, the Appknox co-founder discovered that growth did not require a wider market. It required the courage to choose a narrower one.

The RASPIRE co-founder turned a decade of CTFs, audits and broken mobile apps into a simple proposition: upload the build, harden it, and keep shipping.
Most security tools inspect the code developers write. Appknox follows the app that users actually touch - from compiled binary and real-device behavior to the moment a counterfeit copy appears in an app store.
Appdome takes a finished mobile app and builds security, fraud controls and live threat intelligence into the binary - without asking the development team to stitch together another stack of SDKs.
RASPIRE is an AI-powered, no-code runtime security layer for mobile apps. Teams upload a compiled Android or iOS build (APK, AAB, IPA or xcarchive) and RASPIRE hardens it in minutes - adding anti-fraud, app integrity, reverse-engineering and API protection without SDKs, code changes or config files. Founded by offensive-security veterans Kareem Selim and Hassan Mostafa, the YC P26 startup already protects 25+ production apps used by more than 20 million people across banking, fintech, healthcare and e-commerce.
SEWORKS is a San Francisco cybersecurity company founded in 2013 by white-hat hackers that turns offensive-security expertise into AI-powered products. Its platform helps organizations see their software the way an attacker does, combining AI-driven penetration testing (Pentoma), mobile app hardening (AppSolid), breached-credential defense (LeakJar), and SOC 2 / ISO 27001 compliance support. SEWORKS serves 100+ enterprise clients including Sendbird and Mercari.

Tom Tovar is the co-creator and CEO of Appdome, the company that built the mobile industry's first no-code platform for automating mobile app security. A lawyer-turned-tech-executive who cut his teeth at NetScreen (acquired by Juniper for $5B), ran Nominum (acquired by Akamai), and chaired Badgeville before founding Appdome in 2016, Tovar has spent two decades making complex security invisible - his vision: a vending machine for mobile app defense that gives developers 150+ security protections with zero code. Under his leadership, Appdome now protects nearly a billion mobile users worldwide.