Virtually all of the top officials at the Cybersecurity and Infrastructure Security Agency (CISA) have departed the agency or will do so this month, according to an email obtained by Cybersecurity Dive, further widening a growing void in expertise and leadership at the government’s lead cyber defense force at a time when tensions with foreign adversaries are escalating.  The post CISA Loses Nearly All Top Officials as Purge Continues appeared first on HSToday.