Threat actors leveraged a cloud video hosting service to carry out a supply chain attack on more than 100 real estate websites operated by Sotheby’s Realty that involved injecting malicious skimmers to steal sensitive personal information.
“The attacker injected the skimmer JavaScript codes into video, so whenever others import the video, their websites get embedded with skimmer codes as well,” Palo Alto Networks’ Unit 42 researchers said in a report published this week.
