Credential stuffing affects J. Crew and Tesco customers. T-Mobile discloses a data breach. Emcor works to recover from a ransomware infestation. Coronavirus-themed emails remain common phishbait--it’s an international problem. US authorities are pleased with how election security on Super Tuesday went, but some local governments are recovering from self-inflicted tech wounds. And there’s more on official US suspicion of Huawei. Mike Benjamin from CenturyLink on Nanocore, guest is Bil Harmer from SecureAuth on nation-state attacks.