HTTP Status Code 503 – Service Unavailable

The origin server did not find a current representation for the target resource or is not willing to disclose that one exists. A 404 status code does not indicate whether this lack of representation is temporary or permanent; the 410 Gone status code is preferred over 404 if the origin server knows, presumably through some configurable means,…

The method could not be performed on the resource because the requested action depended on another action and that action failed. For example, if a command in a PROPPATCH method fails, then, at minimum, the rest of the commands will also fail with 424 Failed Dependency.

Similar to 401 Unauthorized, but it indicates that the client needs to authenticate itself in order to use a proxy. The proxy MUST send a Proxy-Authenticate header field containing a challenge applicable to that proxy for the target resource. The client MAY repeat the request with a new or replaced Proxy-Authorization header field.

The concept of security governance is the collection of practices related to supporting, defining, and directing the security efforts of an organization. Supporting, defining, and directing are the building blocks in how well the organization is handling their approach to security. Security governance should always start at the top of the management pyramid with senior…

An interim response used to inform the client that the server has accepted the complete request, but has not yet completed it. This status code SHOULD only be sent when the server has a reasonable expectation that the request will take significant time to complete. As guidance, if a method is taking longer than 20…

Any potential occurrence that may cause an undesirable or unwanted outcome for an organization or for a specific asset is a threat. Threats can be intentional or accidental. They can originate from people, organizations, hardware, networks, structure, or nature.