Investigating child sexual abuse material availability, searches, and users on the anonymous Tor network for a public health intervention strategy
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arXiv
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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916217421299712 |
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| author | Nurmi, Juha Paju, Arttu Brumley, Billy Bob Insoll, Tegan Ovaska, Anna K. Soloveva, Valeriia Vaaranen-Valkonen, Nina Aaltonen, Mikko Arroyo, David |
| author_facet | Nurmi, Juha Paju, Arttu Brumley, Billy Bob Insoll, Tegan Ovaska, Anna K. Soloveva, Valeriia Vaaranen-Valkonen, Nina Aaltonen, Mikko Arroyo, David |
| contents | Tor is widely used for staying anonymous online and accessing onion websites; unfortunately, Tor is popular for distributing and viewing illicit child sexual abuse material (CSAM). From 2018 to 2023, we analyse 176,683 onion domains and find that one-fifth share CSAM. We find that CSAM is easily available using 21 out of the 26 most-used Tor search engines. We analyse 110,133,715 search sessions from the Ahmia.fi search engine and discover that 11.1% seek CSAM. When searching CSAM by age, 40.5% search for 11-year-olds and younger; 11.0% for 12-year-olds; 8.2% for 13-year-olds; 11.6% for 14-year-olds; 10.9% for 15-year-olds; and 12.7% for 16-year-olds. We demonstrate accurate filtering for search engines, introduce intervention, show a questionnaire for CSAM users, and analyse 11,470 responses. 65.3% of CSAM users first saw the material when they were children themselves, and half of the respondents first saw the material accidentally, demonstrating the availability of CSAM. 48.1% want to stop using CSAM. Some seek help through Tor, and self-help websites are popular. Our survey finds commonalities between CSAM use and addiction. Help-seeking correlates with increasing viewing duration and frequency, depression, anxiety, self-harming thoughts, guilt, and shame. Yet, 73.9% of help seekers have not been able to receive it. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_14112 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Investigating child sexual abuse material availability, searches, and users on the anonymous Tor network for a public health intervention strategy Nurmi, Juha Paju, Arttu Brumley, Billy Bob Insoll, Tegan Ovaska, Anna K. Soloveva, Valeriia Vaaranen-Valkonen, Nina Aaltonen, Mikko Arroyo, David Cryptography and Security Tor is widely used for staying anonymous online and accessing onion websites; unfortunately, Tor is popular for distributing and viewing illicit child sexual abuse material (CSAM). From 2018 to 2023, we analyse 176,683 onion domains and find that one-fifth share CSAM. We find that CSAM is easily available using 21 out of the 26 most-used Tor search engines. We analyse 110,133,715 search sessions from the Ahmia.fi search engine and discover that 11.1% seek CSAM. When searching CSAM by age, 40.5% search for 11-year-olds and younger; 11.0% for 12-year-olds; 8.2% for 13-year-olds; 11.6% for 14-year-olds; 10.9% for 15-year-olds; and 12.7% for 16-year-olds. We demonstrate accurate filtering for search engines, introduce intervention, show a questionnaire for CSAM users, and analyse 11,470 responses. 65.3% of CSAM users first saw the material when they were children themselves, and half of the respondents first saw the material accidentally, demonstrating the availability of CSAM. 48.1% want to stop using CSAM. Some seek help through Tor, and self-help websites are popular. Our survey finds commonalities between CSAM use and addiction. Help-seeking correlates with increasing viewing duration and frequency, depression, anxiety, self-harming thoughts, guilt, and shame. Yet, 73.9% of help seekers have not been able to receive it. |
| title | Investigating child sexual abuse material availability, searches, and users on the anonymous Tor network for a public health intervention strategy |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2404.14112 |