NurseryCam, a webcam system that gives parents access to drop in and watch their children while at nursery school has written to families to tell them of a data breach.
The company have said it did not believe the incident had involved any unpermitted access where youngsters or staff would have been watched but has shut down its server as a precautionary measure.
The Guildford-based company is used by about 40 nurseries across the UK.
The company has notified the ICO. Under UK rules, the Information Commissioner's Office must be told of a breach if it has "significant impact" within 24 hours.
NurseryCam said it first became aware of the incident shortly after 17:00GMT on Friday. They added, that a "loophole" in its systems had been used to obtain data from parents' viewing accounts including:
In a statement, NurseryCam’s director Dr Melissa Kao said: “The person who identified the loophole has so far acted responsibly.”
Chris White, Head of Cyber and Innovation at The South East Cyber Resilience Centre said: “Data breaches like this can often be prevented or the effects significantly minimised by adopting some of the most simple but effective cyber security measures.
“The South East Cyber Resilience Centre offers a range of services for businesses that can help you identify your digital vulnerabilities and weaknesses or if you are a victim of a data breach, we can run an individual internet investigation that would identify what personal or private information is publicly available online.”
Find out more on our dedicated Student Services page www.secrc.co.uk/services