
Oscar Hayek at innerworks explains why cyber-security professionals must now think like an attacker
The cyber-security industry is at a turning point. The traditional model of defence, one built around static systems, reactive detection, and incremental updates, is no longer fit for purpose. It’s a model that assumes yesterday’s logic will withstand today’s threats. In reality, it’s being outpaced by adversaries who are moving faster, adapting quicker, and using more sophisticated tools than ever before.
Nowhere is this more apparent than in the current wave of threats fuelled by generative AI.
Generative AI has lowered the barrier to entry for cyber-criminals while simultaneously raising the complexity of attacks. The result is a new breed of fraud that is more human-like, harder to detect, and more scalable than anything seen before. Malicious bots simulate human activity with precision, emulating mouse movements, mimicking user journeys, and even replicating device performance. Deepfake images and videos of real customers now bypass authentication measures that, until recently, were considered cutting edge.
This evolution has rendered traditional fraud detection models increasingly ineffective. These systems tend to rely on refining a single, centralised model by feeding it more data points. But no matter how much data they evaluate, these tools are fundamentally reactive. They are built to detect what has already happened rather than what’s coming next.
And what’s coming next is already here.
The growing sophistication in attack techniques is exposing a structural weakness in the way many organisations approach cyber-security. It’s not just about the technology in place but it’s about the assumptions those systems are built on. Chief among them: that patterns of malicious behaviour can be modelled, predicted, and blocked using historical data alone.
But today’s adversaries don’t stand still. They continuously test and evolve their techniques to stay ahead of known defences. As threats mutate, static detection models, even those marketed as “intelligent” or “machine learning-based”, can’t keep up.
Organisations have to adopt a more adversarial mindset. This means moving beyond passive monitoring and into active testing. Red Team simulations, where defences are stress-tested using attacker techniques, are a vital part of this shift. But to be effective, they have to go beyond periodic exercises and become part of a continuous, integrated approach to security.
The key is to take one step further by incentivising independent researchers to challenge their systems, reverse-engineer detection methods, and discover new vulnerabilities before attackers do. By running structured Red Team bounty programmes and simulating attacks on their own frameworks, organisations are able to pre-emptively close the gaps that others won’t see until it’s too late.
Importantly, this shift is not just about improving detection—it’s about changing the rhythm of cyber-security itself. Instead of waiting for an attack to occur and reacting to it, organisations can now proactively identify the likely vectors of attack and design systems that are resistant by default. They can learn from attacker behaviour in real time, and adapt faster than the threats targeting them.
This is particularly important for industry sectors such as finance, retail, and digital services, where trust, uptime, and customer experience are non-negotiable. Fraud is no longer limited to crude login attempts or suspicious IPs. It is multi-layered, distributed, and increasingly indistinguishable from legitimate user activity.
Defence, therefore, must be more than resilient. It must be predictive.
The speed and sophistication of today’s cyber-threats demand more than incremental improvements. They require a change in approach: from building walls to building traps, from monitoring to anticipating, from thinking like a defender to thinking like an attacker.
Now is the time for organisations to question whether their current security model is truly fit for purpose. Because when attackers are already evolving, the biggest risk is standing still.
Oscar Hayek is CTO at innerworks
Main image courtesy of iStockPhoto.com and nito100
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