Which celebrities were caught using the Ashley Madison website?

When the Ashley Madison website experienced a security breach in 2015, it led to the exposure of personal details for millions of its users. Among the many revelations, a couple of celebrities were reported to be implicated. Reports claimed that Josh Duggar, from the reality TV show "19 Kids and Counting," admitted to using the site after his name was linked to an account. Additionally, it was rumored that "Real Housewives" star Kristen Taekman's husband, Josh Taekman, was also a user, an accusation to which he eventually admitted after initially denying it. The privacy invasion caused significant controversy and discussion regarding internet security and the private lives of public figures.