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Expand Up @@ -22,24 +22,27 @@ Subdomains that have not been assigned a category will inherit the category of t

## Security categories

| Category | Definition |
| ---------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Anonymizer | Sites that allow users to surf the Internet anonymously. |
| Brand Embedding | Sites that imitate a verified brand, for example `facobook.com`. |
| Command and Control & Botnet | Sites that are queried by compromised devices to exfiltrate information or potentially infect other devices in a network. |
| Cryptomining | Sites that mine cryptocurrency by taking over the user's computing resources. |
| DGA Domains | Domains detected as generated by algorithms seen in malware. |
| DNS Tunneling | Domains with detected DNS tunneling activity. |
| Malware | Sites hosting malicious content and other compromised websites. |
| Phishing | Domains that are known for stealing personal information. |
| Private IP Address | Domains that resolve to private IP Addresses. |
| Spam | Sites that are known for targeting users with unwanted sweepstakes, surveys, and advertisements. |
| Spyware | Sites that are known to distribute or contain code that displays unwanted advertisements or that gathers user information without the user's knowledge. |
| Category | Definition |
| ----------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Anonymizer | Sites that allow users to surf the Internet anonymously. |
| Brand Embedding | Sites that imitate a verified brand, for example `facobook.com`. |
| Command and Control & Botnet | Sites that are queried by compromised devices to exfiltrate information or potentially infect other devices in a network. |
| Compromised Domain | Sites where a legitimate domain has been compromised or taken over and had malicious content planted or injected. |
| Cryptomining | Sites that mine cryptocurrency by taking over the user's computing resources. |
| DGA Domains | Domains detected as generated by algorithms seen in malware. |
| DNS Tunneling | Domains with detected DNS tunneling activity. |
| Malware | Sites hosting malicious content and other compromised websites. |
| Phishing | Domains that are known for stealing personal information. |
| Potentially Unwanted Software | Domains that distribute software that may come bundled with other less legitimate software or functionality, like toolbars, adware, and grayware. |
| Private IP Address | Domains that resolve to private IP Addresses. |
| Spam | Sites that are known for targeting users with unwanted sweepstakes, surveys, and advertisements. |
| Spyware | Sites that are known to distribute or contain code that displays unwanted advertisements or that gathers user information without the user's knowledge. |

## Content categories

| Category | Definition |
| ---------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Ads | Sites that are hosting content related to advertising. |
| Adult Themes | Sites that are hosting content related to pornography, nudity, sexuality, and other adult themes. |
| Business & Economy | Sites that are related to business, economy, finance, education, science and technology. |
| Child Abuse | Sites hosting child abuse content. |
Expand All @@ -55,7 +58,7 @@ Subdomains that have not been assigned a category will inherit the category of t
| Miscellaneous | Sites that are not included in the listed security and content categories. |
| Questionable Content | Sites hosting content that are related to hacking, piracy, profanity and other questionable activities. |
| Real Estate | Sites related to real estate. |
| Religion | Sites hosting content about religion, alternative religion, religious teachings, religious groups and spirituality. |
| Religion | Sites hosting content about religion, alternative religion, religious teachings, religious groups, and spirituality. |
| Security Risks | Sites that are [new or misconfigured](#security-risk-subcategories). We recommend that you allow or isolate this content category to avoid accidentally blocking trusted domains. |
| Shopping & Auctions | Sites that are hosting content related to ecommerce, coupons, shopping, auctions and marketplaces. |
| Social & Family | Sites related to society and lifestyle. |
Expand Down Expand Up @@ -89,14 +92,18 @@ Subdomains that have not been assigned a category will inherit the category of t

| Category ID | Category Name | Subcategory ID | Subcategory Name |
| ----------- | ---------------------- | -------------- | ------------------------------------------ |
| 1 | Ads | 66 | Advertisements |
| 2 | Adult Themes | 67 | Adult Themes |
| 2 | Adult Themes | 125 | Nudity |
| 2 | Adult Themes | 133 | Pornography |
| 3 | Business & Economy | 186 | Brokerage & Investing |
| 3 | Business & Economy | 75 | Business |
| 3 | Business & Economy | 89 | Economy & Finance |
| 3 | Business & Economy | 183 | Cryptocurrency |
| 3 | Business & Economy | 185 | Personal Finance |
| 6 | Education | 90 | Education |
| 6 | Education | 91 | Educational Institutions |
| 6 | Education | 189 | Reference |
| 6 | Education | 144 | Science |
| 6 | Education | 150 | Space & Astronomy |
| 7 | Entertainment | 70 | Arts |
Expand All @@ -117,7 +124,8 @@ Subdomains that have not been assigned a category will inherit the category of t
| 7 | Entertainment | 156 | Television |
| 7 | Entertainment | 164 | Video Streaming |
| 8 | Gambling | 99 | Gambling |
| 9 | Government & Politics | 101 | Government |
| 9 | Government & Politics | 190 | Charity and Non-profit |
| 9 | Government & Politics | 101 | Government/Legal |
| 9 | Government & Politics | 137 | Politics, Advocacy, and Government-Related |
| 10 | Health | 103 | Health & Fitness |
| 10 | Health | 146 | Sex Education |
Expand All @@ -135,7 +143,7 @@ Subdomains that have not been assigned a category will inherit the category of t
| 15 | Miscellaneous | 115 | Login Screens |
| 15 | Miscellaneous | 119 | Miscellaneous |
| 15 | Miscellaneous | 124 | No Content |
| 15 | Miscellaneous | 141 | Redirect |
| 15 | Miscellaneous | 141 | URL Alias/Redirect |
| 15 | Miscellaneous | 161 | Unreachable |
| 17 | Questionable Content | 85 | Deceptive Ads |
| 17 | Questionable Content | 87 | Drugs |
Expand All @@ -145,13 +153,15 @@ Subdomains that have not been assigned a category will inherit the category of t
| 17 | Questionable Content | 157 | Militancy, Hate & Extremism |
| 17 | Questionable Content | 162 | Unreliable Information |
| 18 | Real Estate | 140 | Real Estate |
| 19 | Religion | 142 | Religion |
| 19 | Religion | 142 | Religion & Spirituality |
| 20 | Safe for Kids | 143 | Safe for Kids |
| 21 | Security threats | 68 | Anonymizer |
| 21 | Security threats | 80 | Command and Control & Botnet |
| 21 | Security threats | 187 | Compromised Domain |
| 21 | Security threats | 83 | Cryptomining |
| 21 | Security threats | 117 | Malware |
| 21 | Security threats | 131 | Phishing |
| 21 | Security threats | 188 | Potentially unwanted software |
| 21 | Security threats | 134 | Private IP Address |
| 21 | Security threats | 151 | Spam |
| 21 | Security threats | 153 | Spyware |
Expand Down