Action breeds
action.
Founder, managing director, IT security expert and keynote speaker — with over ten years in IT security and building companies. A steady hand for decision-makers in IT crises. Speaker on entrepreneurship, leadership and cyber resilience. Loves clear decisions, strong values and the moments that change everything.
Your company is at a turning point.
You want to grow but don't know where to start?
You keep going in circles?
So much to do that you never get anything done?
Your team rarely delivers what you had in mind?
Your company is caught in an acute cyber crisis?
Your provider is already on it, but doesn't speak your language. You want clarity?
Everyone wants a decision from you, but you lack the deep know-how to prioritise?
You're dealing with insurers, authorities (police, prosecutors & co.), data protection, NIS2 – with the risk of personal liability?
Looking for a speaker whose impulses resonate?
A mashup of IT security and management?! You won't find that anywhere else
Real practice, not theory – 100+ cyber incidents handled, own company built
Straight talk, humour and attitude – impulses that resonate
Everyone's talking about AI – but where's your real lever?
You're told to ‘do something with AI’, but no one tells you what actually matters for your business?
You want to automate the annoying processes but don't know where to start?
Afraid of sinking money into AI gimmicks that lead nowhere?

Jona Ridderskamp
Jona is an entrepreneur through and through. As founder and managing director of sure[secure], he spent over a decade building his IT security company and steering it through every stage of growth.
Running a business and IT security crises have one thing in common: the decisions carry weight – and often have to be made under pressure.
Today he stands beside decision-makers like you when it counts: in the day-to-day of young companies, in the crisis of a corporate cyber incident, or as a catalyst in keynotes and podcasts.
What drives him:
Doing. Impact. People.
It has to land. Jona wants something to stick – a thought, an impulse, a decisiveness that keeps helping after the meeting, the workshop or the talk, pushing entrepreneurs toward their goals.
Authentic, clear and approachable, he pairs entrepreneurial instinct with a deep understanding of technology and people. That's how he creates spaces where change becomes possible.
Millions in revenue, but everything's falling apart around you?
Been there, done that. 100% understanding. It doesn't feel good — and it doesn't have to be this way. Let's change that.
Jona and you become a team — for your business. Sparring calls, analysis and impulses that move you forward.
Avoid business mistakes.
So you spot your business screw-ups fast, Jona brings a clear edge, focus and curiosity to every call.

WARNING Security Breach!
Caught in an IT security crisis right now? As CEO, get maximum decision-making confidence from a cyber security expert.
10+ years of expertise
A wealth of experience from 100+ security incidents handled, across a wide range of roles and companies from mid-sized to enterprise.
Every minute counts.
The faster we fix the problem, the better. Let's not lose any time — use the emergency line.
You want to automate processes but don't know where to start?
Jona understands IT, business and AI – and translates between all three. He finds the processes genuinely worth automating, lifts your efficiency and keeps the AI bullshit out.
Jona combs through your day-to-day and finds the annoying, expensive processes AI can genuinely take off your plate.
No AI bullshit
An honest read instead of hype: what adds value, what's a gimmick, what you're better off leaving alone.
Leadership & IT know-how is for everyone.
Jona is a keynote speaker for conferences and events. As a guest on talk formats, podcasts or panels, he shows what leadership and security really mean to him.
Keynotes that land. Plus panels and moderation. Eloquent. Sharp. Honest and clearly focused.
Interview & podcast guest
Got an IT or business podcast? Looking for a security expert's take for TV? Jona already looks forward to your questions.
Entrepreneurs on Jona
Other entrepreneurs on Jona.
Ask Jona.
No strings. Direct. Effective.
Secure your free first conversation with Jona through the form.
In about 30 minutes you'll figure out together whether you're a fit. Because Jona still runs his own business, he deliberately works closely with a few people rather than casually with many. For you that means full attention when it fits.
Go for it – Jona looks forward to your message.
FAQ
Answers to the most common questions about sparring, IT security advisory and keynotes.
