The US Securities and Exchange Commission is asking tech and telecom companies how they handled the sprawling 2020 SolarWinds cyberattack, and drawing fire from the cybersecurity industry and big business for what they call overreach.The SEC, which sought the information from a broader swath of victim companies in the wake of the massive hack, has been refining its inquiries, according to people familiar with it, who didn’t identify the companies. The regulator has asked for internal communicati...