Jonny Tyers Blog

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Cyber Security

Stop Elevation of Privilege threats in their tracks with Defence in Depth

I talk about my go-to ways to mitigate credential theft. 

Stop Elevation of Privilege threats in their tracks with Defence in Depth


How Threat Modeling could've saved LastPass's bacon

I discuss the security issues LastPass had in 2022 and why I think Threat Modelling could have saved their reputation.

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How to Draw out Risk in a Threat Model

How do you actually go about using your Threat Model to target the risks that your systems are facing? Read my blog to find out!

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How to Improve your Company's Security Culture

In this blog, I explain what I think is the key component of a healthy security culture and how you can achieve it.

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My Guide to STRIDE

In this blog I explain STRIDE - a very useful memory aid to know in Cyber Security and when building a Threat Model.

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What are the Benefits of a Threat Model?

The benefits that Threat Models provide have the potential to transform your security and products. Read this blog to find out what they can do for you.

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Six Steps to get your Threat Model Started

Threat models are hugely valuable to modern tech businesses. Read this blog to find out my six simple steps to make a meaningful start to threat modelling.

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How to Think About Risk

Risk is at the heart of security, and lately, I've been thinking a lot about how we can best measure it - have a read!

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The Fallacy of Perfection

The idea that strong walls will keep attackers out is a common part of cybersecurity. Yet this isn't viable or desirable - here's how to measure security.

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What does 'Good Security'​ look like?

In this blog, I uncover the simple method to cross the divide, give everyone clarity around what 'secure' means, and boost your security culture.

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Risk-driven Security is Better Security

Security requirements in the form of endless spreadsheets to implement before you go live have consequences for security culture and security posture.

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Why You Should Model Your Threats

Read here for how Threat Modelling is a brilliant approach to bring clarity, cut through details, help foster better culture & more for your applications.

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Why Anti-virus is not Enough

Read this blog to explore why anti-virus is not enough to keep you safe from cyber attackers.

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