CNN Early Start With Christine Romans and Laura Jarrett March 23, 2022 09:36:00
Hackers with russian internet addresses scammed the five energy agencies in a possible cyber attack. the u.s. warned about hacking just last week just days before president biden made that threat public. there are at least 18 u.s. companies in sectors other than energy like defense, financial services were linked to russian scanning activity. let's bring in derek graff. the strategy i find fascinating. a warning from the president. classified briefings for businesses, then the briefing from the press room. what do you make of this strategy and how serious this threat is? >> well, the threat is...