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	Counter C00074: Identify and delete or rate limit identical content
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Summary: 
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Playbooks: In all cases some checks need to prevent deplatforming of highly correlated organic traffic such as a community group copy/pasting their bake sale advert. Playbook 1: Platform adds a hash of the post to the post metadata and make it publicly available (content addressing). Scrape for duplicate content and deplatform the content/users across affected platforms. Playbook 2: Platform adds plagiarism score metadata to a post and makes it publicly available. Scrape for duplicate content and deplatform the content/users across affected platforms. Playbook 3: Use message hashing and fuzzy hashing to detect identical/similar content. Playbook 4: Use plagiarism algorithm to detect similar blog posts. Playbook 5: Use basic web scraping techniques, Google dorks, etc to identify similar head lines, uniques phrases, authorship, embedded links and any other correlating data point. 
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Metatechnique: M012 - cleaning 
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Resources needed: 
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Belongs to tactic stage: TA06 
| Actors | Sectors | 
|---|---|
| A028 platform administrator | Other Tech Company | 
| A031 social media platform adminstrator | Social Media Company | 
| Counters these Tactics | 
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| Seen in incidents | 
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