Overloaded Minds. Open Doors. What if I told you the most dangerous moment in your building's security isn't when the system fails — it's when your people are working hardest? The human brain can hold roughly four pieces of information at once. Your front desk staff was juggling five: a phone call, a delivery signature, a colleague's question about a meeting room, a visitor log update — and the polite stranger waiting to be let through. In that window of maximum effort, someo

What if the next serious breach in your organization does not begin with malware, lock-picking, or a sophisticated exploit? What if it begins with a smile, a routine moment, a confident tone of voice, or a busy front desk? That is the uncomfortable conclusion of this series. Across five articles, Katarzyna Kałużny and I examined a reality many organizations still underestimate: physical security often fails not because controls are absent, but because human behaviour quietly