Unveiled: SUNSPOT Malware Was Used to Inject SolarWinds Backdoor

As the investigation into the SolarWinds supply-chain attack continues, cybersecurity researchers have disclosed a third malware strain that was deployed into the build environment to inject the backdoor into the company's Orion network monitoring platform. Called "Sunspot," the backdoor adds to a growing list of previously disclosed malicious software such as Sunburst and Teardrop. "This highly