This informal CPD article ‘Most Cybersecurity Incidents Don’t Start With Systems. They Start With People’ was provided by SmartSec Academy, an independent cybersecurity awareness and professional development provider focused on improving human decision-making in digital environments.
Where Incidents Really Begin
When people think about cybersecurity, they usually think about systems. Firewalls. Software. Passwords. Technical controls. All important, but that’s not where most incidents actually begin. In many cases, it simply starts with a person.
Someone receives an email that looks normal enough. It might be a request, a link, or a file. Nothing obviously wrong at first glance. It fits into the flow of a normal workday. So it gets opened. Or clicked. Or responded to. And that’s enough.
Why It Doesn’t Look Like a Threat
A common misconception is that cyber incidents are mainly the result of technical failures. In reality, many of them involve some form of human interaction at the start. Not because people are careless, but because the situation does not look like a threat.
This reflects findings from industry and government reports, which consistently show that many incidents involve phishing or similar forms of interaction [1][2], with broader trends and guidance also highlighted by organisations such as ENISA and the UK National Cyber Security Centre [3][4].
That’s the key point.
Most people are not ignoring rules. They are making decisions based on what they see in front of them. If something looks legitimate, feels routine, or comes from a familiar source, it is treated as such.
How These Situations Are Created
Attackers understand this very well. They do not rely only on technical methods. They rely on timing, context and behaviour. Messages are designed to look believable. Requests are made to feel normal. Sometimes there is urgency. Other times, authority. Often there is just enough familiarity to avoid suspicion.
It doesn’t take a complex attack. It takes a convincing moment. This is why many incidents are not about breaking systems, but about guiding decisions.
From the outside, it can look like a simple mistake. From the inside, it usually feels like a reasonable action at the time. That difference matters.
A Shift in Focus
Cybersecurity is often treated as a technical problem that can be solved with better tools. Tools are important, but they do not remove the need for human judgement in everyday situations.
People still receive messages. They still make decisions. They still act under pressure or routine. That is where risk exists. Understanding this changes the focus. It moves the conversation away from only systems and towards how decisions are made in real situations. That shift is small, but important. Because once you see where incidents actually begin, you can start to address them more realistically.
We hope this article was helpful. For more information from SmartSec Academy, please visit their CPD Member Directory page. Alternatively, you can go to the CPD Industry Hubs for more articles, courses and events relevant to your Continuing Professional Development requirements.
References
[1] Verizon, Data Breach Investigations Report (DBIR)
https://www.verizon.com/business/resources/reports/dbir/
[2] UK Government, Cyber Security Breaches Survey
https://www.gov.uk/government/collections/cyber-security-breaches-survey
[3] ENISA, European Union Agency for Cybersecurity
https://www.enisa.europa.eu
[4] National Cyber Security Centre (UK), Phishing Guidance
https://www.ncsc.gov.uk/guidance/phishing
