Proofpoint phishing palaver plagues millions with 'perfectly spoofed' emails from IBM, Nike, Disney, others

They DKIM here, they DKIM there
A huge phishing campaign exploited a security blind-spot in Proofpoint's email filtering systems to send an average of three million 'perfectly spoofed' messages a day purporting to be from Disney, IBM, Nike, Best Buy, and Coca-Cola – all of which are Proofpoint customers.…