The data was exposed after a response to a Freedom of Information Act request was published online.
The lab testing giant says a hacker gained access to personal data of about 11.9 million patients that it had provided to a billing collection service.
A suspected Ukrainian hacker allegedly passed on data he stole from the EDGAR database to traders who used it to make illicit stock trading profits.
The company lowered its estimate of guests compromised by the hack of a reservation system to an upper limit of 383 million from 500 million.
A congressional committee concludes cybersecurity complacency at Equifax led to one of the largest data breaches in corporate history.
The crowdsourced question-and-answer site said 100 million users were affected.
'Unauthorized access' to the database may have compromised the personal information of hundreds of millions of people who stayed at Starwood hotels.
The strain of ransomware that was reportedly used in the attack on LabCorp can "effectively lock down a computer, encrypting all the files inside."
The acquisition will help underbanked consumers gain access to credit and capital, Equifax says.
A consent order with eight states addresses the software patch management failures that led to the massive data breach in May 2017.
Necessity is the mother of invention, and Wall Street now has access to tools that quantify a company’s security posture.
The proxy adviser says members of Equifax's technology committee should be held responsible for may be the most costly data breach in corporate history.
