Facebook keeps login history for a certain period of time to enhance security and provide a way for users to monitor their account activity. While the exact duration may not be publicly disclosed, some factors can influence the retention period of login history on Facebook. Here are a few considerations:
1. Security and Account Protection: Facebook retains login history to detect and prevent unauthorized access to user accounts. By keeping a record of login activities, they can identify suspicious behavior and take appropriate measures to secure the account if necessary.
2. Account Recovery and Support: Login history can also be useful for account recovery purposes. If a user encounters account-related issues or needs assistance, Facebook can refer to the login history to verify ownership and provide appropriate support.
3. Compliance and Legal Requirements: In some cases, Facebook may be required to retain user data in compliance with legal obligations and law enforcement requests. While specific jurisdictional requirements may vary, Facebook aims to follow local regulations regarding data retention.
4. User Privacy and Transparency: Facebook is committed to protecting user privacy and has implemented measures to provide transparency and control over personal data. Users have options to access their login history, review recent activity, and even enable login alerts and two-factor authentication for added security layers.
Considering these factors, it's suggested that users regularly review their login history and take necessary actions if any suspicious or unauthorized access is detected. While the exact retention period of login history on Facebook may not be specified, the platform ensures that user security and privacy are priorities.