This standard assumes that data protection is enforced on a trusted system, such as a server, which has been hardened and has sufficient protections.Īpplications have to assume that all user devices are compromised in some way. There are three key elements to sound data protection: Confidentiality, Integrity and Availability (CIA). Non Customized Error Messages (Error Message Reveals Internal IP Address/Underlying Technology).It is also important to ensure that the application fails securely and that errors do not disclose unnecessary information.
If logs contain private or sensitive data, the definition of which varies from country to country, the logs become some of the most sensitive information held by the application and thus very attractive to attackers in their own right. Ensuring that logs are not stored forever, but have an absolute lifetime that is as short as possible.Ensuring all logged information is handled securely and protected as per its data classification.Not collecting or logging sensitive information unless specifically required.High quality logs will often contain sensitive data, and must be protected as per local data privacy laws or directives. The objective is not to create massive amounts of logs, but high quality logs, with more signal than discarded noise. The primary objective of error handling and logging is to provide useful information for the user, administrators, and incident response teams. It is difficult to provide robust input validation in certain scenarios, so the use of safer API such as parameterized queries, auto-escaping templating frameworks, or carefully chosen output encoding is critical to the security of the application. With modern web application architecture, output encoding is more important than ever. Output data is encoded or escaped as per the context of the data as close to the interpreter as possible.
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