DDoS attacks affected one in six companies over a 12-month period. The construction industry, IT companies and telecommunication services bore the brunt of these attacks. The majority of companies (79 per cent) reported being attacked more than once, while almost half of victims were attacked four times or more. 39 per cent of attacks were short-lived, while 21 per cent said the attacks lasted several days or even weeks. Even a single attack can inflict large financial and reputational losses and, considering the likelihood of a repeat attack, you can multiply these losses two, three or more times.”]
Source: https://informationsecuritybuzz.com/articles/ddos-strikes-8-10-companies-attacked-multiple-times/