BrightCloud's categories are listed below. This list changes very infrequently, and we always coordinate and consult with our partners long before any changes are made or take effect. OEM partners are welcome to group these categories however they like to help in policy user interfaces or for reporting purposes. Detailed category descriptions are provided here.
| Abortion | Government | News and Media | Shareware and Freeware |
| Abused Drugs | Hacking | Nudity | Shopping |
| Adult and Pornography | Health & Medicine | Online Greeting Cards | Social Networking |
| Alcohol and Tobacco | Home | Personal Storage | Society |
| Auctions | Hunting and Fishing | Parked Domains | Spam URLs |
| Business and Economy | Image and Video Search | Pay to Surf | Sports |
| CDNs | Individual Stock Advice & Tools | Peer to Peer | Spyware and Adware |
| Computer and Internet Info | Internet Communications | Personal Sites and Blogs | Streaming Media |
| Computer and Internet Security | Internet Portals | Philosophy and Political Advocacy | Swimsuits & Intimate Apparel |
| Cult and Occult | Job Search | Phishing and Other Frauds | Training and Tools |
| Dating | Keyloggers and Monitoring | Private Ips | Translation |
| Dead Sites | Kids | Proxy Avoid and Anonymizers | Travel |
| Dynamically Generated Content | Legal | Questionable | Weapons |
| Educational Institutions | Local Information | Real Estate | Web Advertisements |
| Entertainment and Arts | Marijuana | Recreation and Hobbies | Web Based Email |
| Fashion and Beauty | Malware Sites | Reference and Research | Web Hosting |
| Financial Services | Military | Religion | |
| Gambling | Motor Vehicles | Search Engines | |
| Games | Music | Sex Education |