The first quarter of 2016 saw a record for the number of DDoS attacks, more than doubling when compared with the previous year quarter of 2015, Akamai says.
The increase was largely driven by repeat attacks on customers rather than a broadening of the number of targets. In the first quarter, targets were attacked an average of 29 times each.
One customer was attacked about three times per day, Akamai says.
More than half of the attacks (55 percent) targeted gaming companies, with another 25 percent targeting the software & technology industry.
Web application attacks increased nearly 26 percent compared with the fourth quarter of 2015.
As in past quarters, the retail sector remained the most popular attack target, targeted in 43 percent of the attacks.