We harden apps by empowering devs' security mastery

<aside> ⤴️ We're looking forward to tailoring an education program to your team’s individual needs. Ask for a quote. Get in touch! +32476222722, [email protected]

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About us


def.dev secure development training ups the ante on virtual education. Our veteran delivery crew and seasoned trainers bridge the gap to make remote courses just as effective as in-person sessions.

Our workshops are designed to level up the security of your apps by helping your development team master secure coding skills and embed sticky development practices that systematically reduce vulnerabilities.

<aside> 🔄 For more details about defdeveu head to our main site: https://def.dev

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<aside> 🔄 Backlink to this catalog/directory site: https://def.dev/dir

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Main live categories

<aside> ⏭️ Choose a category above or click a course card in the right-side/below groups or open the searchable database.

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Resident trainers 🤟🏻


The core trainers' cards

Standard live ones


Below are views by domains and topics. You could also find the course of your interest by searching the master database:

Live courses cards

Mobile development, hacking and hardening

Live courses cards

Courses for champions

Live courses cards