Drupal security
Drupal takes security very seriously. There is a team looking out for vulnerabilities and work with core and contrib maintainers...
Articles
Modules
Crawler Rate Limit
Block crawlers and excessive traffic.
Security Kit
Security hardening.
Encrypt
Encryption API.
Key
Key management, IE encryption keys.
Real AES
AES encryption for the Encrypt module.
See instructions on the project page and readme.
For generating a random, base64 encoded string, the instructions say:
CrowdSec
Integration with CrowdSec service, which offers some community support.
Spam Master
Free spam block service.
ReCaptcha V3
Recaptcha form protecion.
Automatic IP Ban (Autoban)
Automatically ban hackers.