Perimeter security is the first line of defence against intruders entering a business or premises. Traditionally associated with low-tech options such as fencing, the field of perimeter security has expanded in recent years and now encompasses a range of high-tech options. We asked this week’s Expert Panel Roundtable: What are the latest trends in perimeter security technology? With the continued rolling back of COVID restrictions in the UK, there is a palpable sense of relief. A mixture of mass vaccinations, widespread testing, and track and tracing of the infection is helping to enable a healthy bounce back for businesses – with secure access control taking an important role in facilitating this.