Cisco: Spam is making a big-time comeback

Spam is making a surprising resurgence as a threat to corporate security and becoming a more significant carrier of attacks as varied as spear phishing, ransomware and bots, according to Cisco’s 2017 Annual Cybersecurity Report.
The company’s 10th such report says spam is way up. It accounts for 65% of all corporate email among customers who opted in to let the company gather data via telemetry in Cisco gear.
Whereas spam had been knocked down as a threat in 2010 and kept at relativ