you can block non-consensual images before anyone posts them · submit hashes through StopNCII.org or take it down. the tool generates a fingerprint directly in your browser without uploading the raw file, & participating platforms use it to block matching uploads automatically. · keep private media off auto-syncing camera rolls. messaging apps encrypt data in transit, but unencrypted cloud backups often negate that, so turn those backups off. · store files in local locked folders. · if you share anything directly, consider cropping or blurring out faces & recognizable marks.