Some who got through are raising red flags about whether signing up could restrict future legal action against Equifax. https://www.washingtonpost.com/news/the-switch/wp/2017/09/08/what-to-know-before-you-check-equifaxs-data-breach-website/?hpid=hp_hp-more-top-stories_equifax-1145am-winner%3Ahomepage%2Fstory&utm_term=.931c4166baca