Facial recognition and automated guest-photo search

At a large event, hundreds or thousands of photographs may be taken. Guests want to find their own. A face search seems the perfect answer. It is also the kind of feature that deserves a slow look before you switch it on.

This guide belongs to our overview of event photography privacy, permission and image use. It explains questions to ask and does not claim that any feature is available. We confirm what we provide in writing. For sport-specific distribution, see the relevant event guides.

What is the feature doing?

Automated face search turns a face into a numerical pattern, then compares that pattern with patterns from the gallery. The guest may upload a selfie, and the system returns pictures that appear to match.

That is biometric processing. The data derived from a face is more sensitive than a name or an email address, because a face cannot be changed like a password.

What does Malaysian law say?

Malaysia's Personal Data Protection Act 2010 was amended in 2024, with changes in force in stages during 2025. The amendments add biometric data to the category of sensitive personal data. The Personal Data Protection Department publishes the current text and guidance.

We do not interpret the law. Ask a qualified adviser whether and how it affects your event, particularly if guests are asked to supply selfies or if the system stores face data.

Questions to ask the provider

Question	What a good answer includes
Where is face data processed and stored?	A clear location and operator
How long is it kept?	A fixed, short period
Who can access it?	A limited, named group
Is it used for anything else?	A plain no, or a clear explanation
Can a guest ask for deletion?	A simple, working process
How accurate is it?	Honest limits, not a promise of perfection

Our guide on cloud galleries and cross-border photo-data handling covers the storage side. If the provider is an automated photo-distribution service, read privacy questions before using an automated photo-distribution service.

Accuracy and fairness

Matching systems make mistakes. They may miss a guest, or show a stranger's photograph in someone's results. Performance can differ with lighting, angle, masks, glasses and many other things. You cannot assume it works equally well for everyone.

Ask the provider what testing it has done, and run your own test with sample images before the day. Treat results as suggestions, and offer a way to report a wrong match.

Choice for guests

Some guests will not want their face scanned. Give them a real alternative. Options include browsing by session, by table, by time or by a printed card with a code. Do not make a face scan the only way to see one's own pictures.

Tell guests plainly what happens. Our guest photography communication builder helps you write a short notice.

A worked example

For example, a conference with 800 delegates considers a face-search feature so delegates can find their photographs. The organiser asks the provider the questions above. The answers on retention are vague, so the organiser decides against the feature.

Instead, the photographer groups images by session and day, and delegates browse a private gallery with a password. A small number who cannot find their photograph write to the organiser, who asks the photographer to look. It takes a little more effort and carries far less risk.

Do minors and sensitive guests change things?

Yes. A face search at an event with children is a much heavier decision, and authorised adults would need to be involved. At events where guests have reasons to avoid being found, such as support groups, do not use it. A name-free manual route respects those guests.

Is it worth it?

For many events, a well-organised gallery is enough. Face search adds value mainly at very large events where browsing is impractical. Weigh the benefit against the handling and permission questions.

Check delivery too

Whatever route you choose, check the final set against your opt-out list. Our photo delivery acceptance checklist helps, and our photo sharing and privacy plan records the choices.