https://www.reuters.com/article/us-usa-products-colonialpipeline-ransomw/ransomware-gangs-disrupted-by-response-to-colonial-pipeline-hack-idUSKBN2CV2CH >Multiple ransomware groups claimed they were shutting down or scaling back operations on Friday as the U.S. government ramped up pressure while tech companies, cryptocurrency exchanges and others worried about getting caught in the crossfire.