Availability: NIST SP 800-137

Example of an Availability Attack: 2024: Hacktivist DDoS Attacks

Distributed Denial of Service (DDoS) attacks targetting financial services companies grew by 154% in 2023 as compared to 2022. 

By generating a large number of requests to the financial institution's websites, the DDoS attackers make it impossible for legitimate users to access for example, their bank accounts