CSA CCM DCS-18

Adversaries may stop or disable services on a system to render those services unavailable to legitimate users. Stopping critical services or processes can inhibit or stop response to an incident or aid in the adversary's overall objectives to cause damage to the environment. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may leverage compromised software-as-a-service (SaaS) applications to complete resource-intensive tasks, which may impact hosted service availability. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may attempt to cause a denial of service (DoS) by reflecting a high-volume of network traffic to a target. This type of Network DoS takes advantage of a third-party server intermediary that hosts and will respond to a given spoofed source IP address. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may attempt to cause a denial of service (DoS) by directly sending a high-volume of network traffic to a target. This DoS attack may also reduce the availability and functionality of the targeted system(s) and network. Direct Network Floods are when one or more systems are used to send a high-volume of network packets towards the targeted service's network. Almost any network protocol may be used for flooding. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may delete or remove built-in data and turn off services designed to aid in the recovery of a corrupted system to prevent recovery. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may target resource intensive features of applications to cause a denial of service (DoS), denying availability to those applications. For example, specific features in web applications may be highly resource intensive. Repeated requests to those features may be able to exhaust system resources and deny access to the application or the server itself. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may target the different network services provided by systems to conduct a denial of service (DoS). Adversaries often target the availability of DNS and web services, however others have been targeted as well. Web server software can be attacked through a variety of means, some of which apply generally while others are specific to the software being used to provide the service. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users. Endpoint DoS can be performed by exhausting the system resources those services are hosted on or exploiting the system to cause a persistent crash condition. Example services include websites, email services, DNS, and web-based applications. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may modify visual content available internally or externally to an enterprise network, thus affecting the integrity of the original content. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may modify the lifecycle policies of a cloud storage bucket to destroy all objects stored within. Cloud storage buckets often allow users to set lifecycle policies to automate the migration, archival, or deletion of objects after a set period of time If a threat actor has sufficient permissions to modify these policies, they may be able to delete all objects at once. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may destroy data and files on specific systems or in large numbers on a network to interrupt availability to systems, services, and network resources. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may perform Network Denial of Service (DoS) attacks to degrade or block the availability of targeted resources to users. Network DoS can be performed by exhausting the network bandwidth services rely on. Example resources include DNS, and web-based services and applications that provide resources to the utility services. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may leverage the compute resources of co-opted systems to complete resource-intensive tasks, which may impact system and/or hosted service availability. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may leverage the resources of co-opted systems to complete resource-intensive tasks, which may impact system and/or hosted service availability. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may leverage the network bandwidth resources of co-opted systems to complete resource-intensive tasks, which may impact system and/or hosted service availability. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.

Adversaries may shutdown/reboot systems to interrupt access to, or aid in the destruction of, those systems. This control establishes and regularly evaluates processes, procedures, and technical measures to ensure continuous operations of the datacenter, mitigating attacker techniques such as denial‑of‑service and other availability‑impacting attacks that seek to disrupt business and operational continuity.