NETSCOUT Arbor’s 2017 Worldwide Infrastructure Security Report published today. Number of DDoS attacks that cost organization between $501 to $1,000 per minute in downtime increased by 60%. 10% of enterprises estimated a major DDoS attack cost them greater than $100,000 in 2017. Multi-vector attacks combine high-volume floods, TCP state exhaustion attacks, and application-layer attacks in a single sustained offensive, which makes the attacks more difficult to mitigate and increases the attackers chance of success.”]
Source: https://www.darkreading.com/attacks-breaches/ddos-attacks-become-more-complex-and-costly