- http://www.tnp.sg/news/singapore/new-guidelines-private-security-agencies-identify-radicalised-individuals
- https://www.gov.sg/news/content/today-online—security-firms-may-get-help-to-spot-those-likely-to-be-radicalised
- http://www.todayonline.com/singapore/security-guards-attend-counter-terrorism-training-2020-police
- http://www.straitstimes.com/singapore/security-association-of-singapore-to-promote-guidelines-to-help-private-security-agencies
- https://www.channelnewsasia.com/news/singapore/stepped-up-security-at-churches-not-so-for-businesses-during-9521322