The WebSphere Application Server must be configured to encrypt log information.

Protection of log records is of critical importance. Encrypting log records provides a level of protection that does not rely on host-based protections that can be accidentally misconfigured, such as file system permissions. Cryptographic mechanisms are the industry-established standard used to protect the integrity of log data. An example of a cryptographic mechanism is the computation and application of a cryptographic-signed hash using asymmetric cryptography. Encryption of log records must be tempered with architecture designs that incorporate log data into SIEM systems that read and act upon log data. Some SIEM systems may not be able to decrypt encrypted log data so encrypting the logs could be detrimental to the incident response process. This must be taken into account and addressed in the security plan.