HTTP Response Splitting entails a kind of attack in which an attacker can fiddle with response headers that will be interpreted by the client. The attack is simple: an attacker passes malicious data to a vulnerable application, and the application includes the malicious data in the single HTTP response, thus leading a way to set arbitrary headers and embedding data according to the whims and wishes of the attacker.
In recent times when data breaches and cyber attacks have become so common, being cyber resilient and prepared for the attack when it happens is the new norm.
Over the last few years, the rise in data breaches involving personally identifiable information (PII) has resulted in the loss of millions of records.