Are there any PS5 security settings I can enable to reduce vulnerability to DDoS attacks?

The PS5 doesn't offer dedicated DDoS protection settings like some enterprise systems. However, keeping your system software up-to-date is crucial, as updates often include security patches. Reviewing your account security settings, including strong passwords and two-factor authentication, can also reduce the risk of account compromise, which can then be used to launch attacks (although this is less direct).