What does 'credential stuffing' entail in cybersecurity?

Credential stuffing involves using stolen usernames and passwords to infiltrate user accounts on various platforms. This practice takes advantage of the tendency of many individuals to reuse the same credentials across multiple sites. When a data breach occurs and user credentials are exposed, attackers can take these leaked credentials and attempt to access accounts on other services, hoping that users have not altered their passwords. This method is particularly effective because many users do not change their passwords frequently, making credential stuffing a prevalent threat in cybersecurity.

The other options provided focus on preventive measures or practices designed to enhance security, such as utilizing multi-factor authentication, creating stronger passwords, or regularly resetting credentials. While these strategies help mitigate risks, they do not define what credential stuffing is, which specifically revolves around exploiting compromised credentials to gain unauthorized access to user accounts.