Dec. 23, 2020 9:19 am ET | WSJ Pro Hello. Uncertainty looms for companies as the U.K. looks set to cut legal ties with the European Union without an agreement in place for the flow of personal data, WSJ Pro’s Catherine Stupp reports. SolarWinds hack: Biden vows forceful response; U.S. House Intelligence leader wants details; Senators plan hearings on the incident, along with new legislation, when new Congress convenes. Other news: Covid-19 vaccine scams; Forward Air warns of potential revenue loss after ransomware attack disrupts operations; Facebook to expand account security. Post-Brexit Data Risks Companies face privacy, data-flow risks in post-Brexit Britain. Companies that do business in the U.K. are preparing for a disruptive start to the year as the country looks set to cut legal ties with the European Union without an agreement in place for personal data flows.