Equifax Inc. took part of its website offline Thursday after code on the site redirected users to a malicious URL urging them to download malware.
Also Thursday, a top Republican congressman introduced a bill that would stop credit reporting companies such as Equifax from using Social Security numbers to verify Americans’ identities.
The moves come a month after Equifax revealed that a data breach exposed the Social Security numbers and birthdates of as many as 145.5 million Americans. That hack took place after Equifax failed for several months to fix a software flaw that federal officials had warned about in March.
Late Wednesday night, independent security analyst...