Threat Modelling: How Software Survives in a Hacker’s Universe Saskia Coplans

This is the story of how a client lost millions due to a costly oversight that allowed attackers to exploit a devastating vulnerability. Although the client was aware that this weakness existed when the final product was launched, it would have been too expensive to fix and would have required them to miss critical deadlines.

In this talk, we'll discuss how with version 2, we helped our client by starting with some threat modelling techniques in order to understand; which assets an attacker would be after, what weaknesses existed in the design that would allow an attacker to access them, and what protections could be put in place to stop the same level of attack happening again.

Takeaways

• How we can use threat modelling to think like an attacker
• How threat modelling can help us secure our applications and how software testers can integrate this technique into the testing process
• Why thinking about security as early as possible is the safest option

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