Accordingly to recent articles in business papers major companies and even governments suffering from massive, distributed denial of service attacks (DDoS). How big this threat is?

September 2021 DDoS attack on New Zealand government services caused massive damage. Among targets were the New Zealand stock exchange and post-service. Trading on the stock exchange has been stopped for two full days. And post offices have been paralyzed because of the collapse of computer systems.

Can you survive a DDoS attack by yourself?

The answer is "Yes", only if you're supporting a huge and expensive global network infrastructure with capacity enough to handle thousands of Gb per second. This is a scale of the destructive power of modern botnets, available for attackers.