> For the complete documentation index, see [llms.txt](https://mims.oascities.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mims.oascities.org/securing-data/capabilities-and-requirements.md).

# Capabilities and Requirements

## Capabilities & Requirements

(<mark style="color:orange;">see</mark> [Notes](broken://pages/Uao0uLDzqYDTPPPL1uiP) <mark style="color:orange;">for additional information</mark>)

### **C1: Data is only accessible to users that should have access to it.**

**Requirements:**

**R1.1**:  Rules to control physical and logical access to information and other associated assets SHALL be established and implemented based on business and information security requirements. (ISO 27001 5.15 Access control)

**R1.2:** Allocation and management of authentication information SHALL be controlled by a management process, including advising personnel on appropriate handling of authentication information. (ISO 27001 5.17: Authentication information)&#x20;

**R1.3**: Access rights to information and other associated assets SHALL be provisioned, reviewed, modified and removed in accordance with the organization’s topic-specific policy on and rules for access control. (ISO 27001 5.18: Access rights) <br>

### **C2: Data accessed by users has not been altered.**

**Requirements:**

R2.1: Rules for the effective use of cryptography, including cryptographic key management, SHALL be defined and implemented. (ISO 27001 8.24 Use of cryptography) <br>

### **C3: Data accessed by users originates from a verified source.**

**Requirements:**

*This Capability relies on R1.3, R2.1 and introduces one additional requirement:*

**R3.1**: Secure authentication technologies and procedures shall be implemented based on information access restrictions and the topic-specific policy on access control. (ISO 27001 8.5 Secure authentication)&#x20;


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