The sweeping hack of verified Twitter accounts Wednesday night was one of the largest security lapses in the platform’s history and led to thousands of users being partially locked out for hours. But the social media giant, and its users, may have gotten off easy. Now lawmakers and top officials are mulling how to ensure Twitter is not hacked by groups with more malicious intentions and how to protect other potential cyber targets from the same fate. The conversation has taken on a particular urgency as geopolitical tensions increase during the COVID-19 pandemic with only months left until a presidential...