On Mon, the Santa Clara, CA-based company published a blog post about the problem, saying that it had issued a patch & that “impacted customers failed to implement system hardening & #firewall guidelines.”
#Lumen wrote that it located #malware inside #ISP routers serving certain groups or individual customers that could intercept passwords from those customers. Lumen said it believed the malicious #software was being used by #VoltTyphoon.