The Privacy Act 1988 generally does not cover security cameras operated by individuals in a private capacity for domestic purposes. However, your activities are still governed by state-specific surveillance and criminal laws.
Freed, D., Palmer, J., Minchala, D., Levy, K., Ristenpart, T., & Dell, N. (2018). “A stalker’s paradise”: How intimate partner abusers exploit technology. Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems , 1–13. The Privacy Act 1988 generally does not cover
Beyond the law and the cloud, there is the human cost. A study in the Journal of Urban Affairs found that streets saturated with security cameras did not actually reduce overall crime rates significantly, but they did reduce "social cohesion." Residents were less likely to wave, stop to chat, or let their children play unsupervised on camera-heavy blocks. (2018)
: For maximum privacy, use systems that store data locally on a DVR or NVR rather than in the cloud. Beyond the law and the cloud, there is the human cost