Updated 3:10 p.m. PST with comment from BitDefender.
Moscow-based security firm Kaspersky has hired a security expert to investigate the weekend breach of its U.S. site, the company said Monday.
Meanwhile, the hacker site claiming credit for the breach said on Monday that it had done the same compromise on the Portuguese Web site of antivirus provider BitDefender.
In a statement, BitDefender said an unnamed partner site was compromised and that the company was investigating the incident to help the partner prevent it from happening again. "This was an unfortunate event and while we sympathize with … Read more