A retention bonus is extra pay offered to keep specialized employees in a critical role. In cybersecurity, it is often used for incident responders, threat hunters, malware analysts, and system administrators whose knowledge is hard to replace quickly.
This matters because security teams depend on continuity. Experienced staff know the environment, the tooling, and the history of previous incidents, which helps them spot anomalies faster and recover more safely. Attackers benefit when defenders are understaffed or when key people leave and institutional knowledge is lost. A retention bonus is not a technical control, but it supports defenses by reducing turnover, preserving expertise, and helping organizations keep sensitive operations stable during periods of heavy threat activity or modernization.