Lectures at SecAppDev 2025

Most developers don't think of protection against domestic abusers as part of a product's security and they should.

Key takeaway: The intimate partner abuse threat model is different other models in important and unexpected ways.

Lack of authority, an outsider's view of the development process and a faulty language of risk. Are security practitioners fated to point at risk and not be heard?

Key takeaway: "Raw" security can be fun, but does not lead to change. We must adapt our ways in order to impact the environment we want to protect.

In this session, we will overview the general security landscape of AI technologies, including foundational machine learning, deep learning, and large language models.

Key takeaway: Integrating AI inevitably increases the threat landscape of a system. Understanding how AI can be exploited is key to developing effective mitigations

OpenAPI specs are more than docs—they can drive API security. Learn how to use them in spec/code-first workflows to find vulnerabilities, guide audits, and power security tools for testing, attacks, and runtime protection.

Key takeaway: A well-crafted OpenAPI spec can uncover security issues, guide audits, and power tools for testing, making it a key asset in your API security strategy.

A technical introduction to Verifiable Credentials, highlighting use cases, implementation lessons, interoperability profiles, and recent updates to the related specifications.

Key takeaway: Interoperability in the wallet model requires aligned choices across the stack that meet use case requirements in terms of UX, security, privacy, etc.

Discover how bug bounty programs outperforms traditional AppSec tools by uncovering more vulnerabilities at lower cost. We share real-world examples, strategies, and challenging takes on conventional security practices.

Key takeaway: Bug bounty programs are essential and should be the key ingredient in modern AppSec programs.

This talk covers PKI technologies, their role in web security, key failures and fixes (e.g., EV, pinning, transparency), and the impact of eIDAS 2.0 on EU PKI services and upcoming European Digital Identity Wallets.

Key takeaway: PKI is a core technology that are essential to secure large open systems; surprisingly, it is technically complex and presents governance challenges.

Threat modeling by yourself is great - noone is there to tell you you're wrong. But if you want to discover nontrivial issues, the ones you'd not have on your checklist, you'll need to engage with others. But too often we chase them away.

Key takeaway: Threat modeling is not JUST a technical activity, and should intentionally leverage social techniques to maximize stakeholders participation.

In this session we will walk through the engineer’s toolbox for protecting different types of data against common privacy threats. The talk is informed by existing practical tools as well as by modern research on data privacy.

Key takeaway: Privacy is an engineering responsibility, not only a legal or design issue. Privacy-preserving techniques are accessible and implementable today.

Continuous Threat Modeling for Developers. They're creating the problems, let them create the solution! No, really - enable them to see the security value of the stories they work on, what could go wrong, and what to do about them.

Key takeaway: Threat Modeling should not be a one-shot-and-done activity by security experts. It needs to be continuous, at the developer level.

We rely on 3rd party libraries which results in security risks. OpenSSF’s Scorecard helps assess package security. This session explores its checks and additional insights to strengthen supply-chain security.

Key takeaway: Understanding how to leverage the OpenSSF Scorecard to review used 3rd party libraries more easily.

MPC, FHE and ZKP are complementary COED technologies that provide different flavours of confidentiality and verifiability within different trust settings and threat models. Often, neither one of them is a miracle solution alone.

Key takeaway: Preserving data confidentiality during computation is a real-world possibility given the right choice and combination of COED tools.

Learn how to secure your CI/CD pipeline without slowing down. We cover risks, best practices, essential tools, real-world attacks, and how to justify your security investments.

Key takeaway: Secure CI/CD is achievable without sacrificing speed: start with key tools, embed best practices, and scale smart.

Post-Quantum Cryptography (PQC) answers the threat posed by quantum computers. We cover the status of PQC standards and national agencies' and EU recommendations. We conclude with performance benchmarks and crypto agility challenges.

Key takeaway: 2025 is a good year to start the 10-year post-quantum migration journey

Much of security today is generic best practices and checkbox olympics. Shame to waste resources on stuff noone really cares about! Better to map out the business' value streams, and invest efforts in protecting what is actually important.

Key takeaway: Strategic planning requires understanding your environment, your goals, and your challenges. Value-driven mapping techniques help you get there.

Explore the architecture, governance, and real-world implementation of Germany’s EUDI Wallet ecosystem within the EU Digital Identity Framework.

Key takeaway: National-scale digital identity is built on both compliance and collaboration - Germany’s EUDI Wallet shows how strategy meets technical execution.

Web security is complex and evolving fast, with browsers playing a growing security role. This session explores core techniques to build secure apps and APIs, giving you the foundation to tackle more advanced web security topics.

Key takeaway: Learn how modern browsers approach security and how to build on that foundation to create secure web apps and APIs using proven core techniques.

In this talk, we will explore the massive potential of AI in secure code creation. This session will discuss techniques that will aid AI code creation engine to produce higher quality and more secure code.

Key takeaway: Actionable advice on using AI to generate secure code

In this session we'll dig into WASM, how it works, it's security features and how we can use it to host, extend and secure our applications by running it the WebAssembly System Interface (WASI).

Key takeaway: Understanding WASM, it's security features and how leverage those by integrating it into your application/software.

Using OAuth 2.0 in the frontend increases your attack surface. Learn why BFF is safer and how to defend against real-world token attacks.

Key takeaway: Frontend OAuth 2.0 patterns, even with token protections, leave apps exposed—real security comes from moving sensitive logic to a secure backend.

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