Hostile cyberspace is any and every online site or service that engages in malicious activity such as:

Harvesting data

Manipulating people

Sharing or failing to secure user data

Censoring or manipulating content
Provides features at the expense of dependence (vendor lock-in)

Distributes malware or serves ads that do

https://libresolutionsnetwork.substack.com/p/hostile-cyberspace