An HTTP header field identifying the original client IP address when requests pass through proxies or load balancers. XFF enables accurate logging and security analysis by revealing true source addresses.

Security platforms correlating threat data from endpoints, networks, cloud services, email, and applications for comprehensive threat detection. XDR extends EDR capabilities across entire IT environments, improving visibility and enabling coordinated responses to sophisticated attacks.

A high-performance journaling filesystem for Linux systems supporting large files and volumes. XFS appears in server logs, backup operations, and recovery procedures, requiring proper monitoring and maintenance.

Web application vulnerabilities allowing attackers to inject malicious scripts into pages viewed by other users. XSS attacks steal session cookies, capture credentials, and perform actions on behalf of victims.