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CISA’s FOCAL Plan, which aims to standardize the cybersecurity operations of federal civilian agencies, marks an important step in the federal government's efforts to strengthen cyber defenses and reduce agency risk. Learn how Tenable One for Government, which recently achieved FedRAMP Authorization, aligns to the FOCAL Plan key priorities. Each Federal Civilian Executive Branch (FCEB) agency has a unique role in supporting the mission of the U.S. federal government, from national security to healthcare to education. However, agencies’ approaches to managing cyber risk vary widely, with each agency operating independent networks with interconnected systems and varying degrees of cyber risk tolerance. This complexity makes managing exposures across the FCEB a complex challenge and drives the need for a coordinated cybersecurity strategy.To address this issue, the Cybersecurity and Infrastructure Security Agency (CISA) recently unveiled the “Federal Civilian Executive Branch (FCEB) Operational Cybersecurity Alignment (FOCAL) Plan.” It’s designed to enhance cybersecurity across the FCEB by standardizing essential components of operational cybersecurity throughout the federal enterprise and enabling a collective defense approach. It provides actionable steps federal agencies can take, with their varied architectures and risk management strategies, to mitigate cyber risks and improve resilience through a unified approach to operational defense. And while it is not an exhaustive list of all the things agencies must do to secure their missions, it does provide a baseline for agencies to focus resources on those actions that substantially advance operational cybersecurity improvements and alignment goals. CISA’s FOCAL Plan priority areas(Source: “Federal Civilian Executive Branch (FCEB) Operational Cybersecurity Alignment (FOCAL) Plan,” CISA, September 2024.)Asset ManagementTo safeguard federal networks, agencies must have comprehensive visibility into their entire infrastructure, and continuously assess how those assets are interconnected. As the old saying goes: “You can’t protect what you can’t see.” This priority area aims to ensure agencies know what assets they have so they can be properly defended. It’s important to remember that assets span far beyond traditional IT assets. As recent mandates and CISA Binding Operational Directives (BOD) have stressed, agencies must have visibility into OT, IoT, cloud and identity assets. Look no further than the Office of Management and Budget (OMB)’s Memorandum M-24-04 which directed federal civilian departments and agencies to inventory their IoT and OT assets by the end of fiscal year 2024.Vulnerability ManagementGetting an accurate inventory of your assets is a key first step, but it’s equally fundamental to understand the vulnerabilities on each of those assets so that you can proactively secure the attack surface. As the FOCAL Plan points out: “What constitutes an agency’s enterprise has evolved over the years, particularly as the attack surface has expanded and grown more complicated.” This has made vulnerability management more challenging. The FOCAL Plan focuses on proactive vulnerability management, so that agencies can understand their exposures by identifying, assessing and mitigating vulnerabilities across asset types, before an attacker can exploit them. Defensible ArchitectureBecause attacks are inevitable and resilience is critical, this priority area focuses on building robust, defensible infrastructures with principles like segmentation, identity management and zero-trust security. With a focus on limiting an attacker's ability to access sensitive data when a compromise occurs, this priority aims to help agencies minimize impact and operational disruptions through the implementation of proper tools and controls. Cyber Supply Chain Risk Management (C-SCRM)FCEB agencies often rely on third-party vendors, which can introduce supply chain risk. This priority addresses the risk posed by external vendors and technologies by ensuring agencies can quickly identify, assess and mitigate vulnerable software and hardware from their suppliers and partners. Case in point: the critical Log4j vulnerability, known as Log4Shell, a critical remote code execution vulnerability in Apache’s Log4j software library. This vulnerability posed a massive risk due to the widespread use of the Apache Log4j open-source logging library in many enterprise applications and cloud services, and the ease with which the vulnerability could be exploited. In the days that followed, every agency and industry security practitioner had to detect all instances of Log4j in their environment. In many cases, versions of the offering were buried deep within third-party software packages or government off-the-shelf solutions. Agencies with a complete understanding of the software deployed across their environment were able to quickly respond to the threat, and meet or exceed the deadline established by the CISA Emergency Directive (ED) 22-02. Unfortunately, Log4Shell quickly became a crisis for security teams that did not have a complete understanding of their inventory.Incident Detection and Response This priority area is geared towards strengthening the ability of security operations centers (SOCs) to detect, respond to, and mitigate cyberattacks rapidly and effectively. As mentioned earlier, attacks are inevitable, so it’s critical to quickly detect and respond to an attack. Combining rapid detection and response with best practices such as segmentation and identity management will further disrupt an attacker's ability to access sensitive data.Meeting CISA FOCAL Plan priorities with Tenable OneWe’re excited to share that Tenable One is now FedRAMP authorized at the moderate impact level. Tenable One for Government is an exposure management platform designed to help agencies radically unify security visibility, insight and action across the attack surface to rapidly expose and close the gaps that put agencies at risk. Tenable One for Government helps agencies meet CISA FOCAL Plan priorities with:Centralized visibility of all assets across the attack surface, from IT infrastructure to cloud environments to critical infrastructure, containers, identity systems, web applications and everywhere in between.Vulnerability enumeration and prioritization so you can pinpoint priority weaknesses and focus on the actual exposures that matter to quickly reduce cyber risk.A defensible architecture based on zero trust principles so you can quickly detect and respond to attacks in real time, map attack paths and surface all the possible steps that attackers could take to move laterally, escalate privileges and gain control of your infrastructure.A deep understanding of overall cyber risk with risk metrics and exposure scores to easily identify problem areas across your agency infrastructure. You can then set precise, trackable KPIs and SLAs to hold teams accountable for managing risk.Learn more:The white paper “CISA FOCAL Plan: Aligning Cybersecurity Across Federal Agencies with Tenable One””Tenable One for Government” datasheet
Analysis Summary
The provided article is heavily promotional and documentation-like, focusing on Tenable products and their alignment with the CISA FOCAL Plan (which addresses federal agencies). The core security guidance is distilled from the implied application of these tools to meet CISA's publicized requirements, particularly those related to Exposure Management and Vulnerability Management.
The extraction below focuses on translating the functional capabilities described (especially in relation to Exposure Management) into concrete, actionable security best practices that align with the CISA guidance framework.
# Best Practices: Implementing Cyber Risk Reduction via Exposure Management (CISA FOCAL Context)
## Overview
These practices are derived from CISA's guidance, emphasizing a proactive, risk-based approach to cybersecurity, often framed as comprehensive Exposure Management. The focus is on gaining visibility across the entire attack surface—including IT, cloud, OT/IoT, and identities—and prioritizing remediation based on exploitability and business impact.
## Key Recommendations
### Immediate Actions
1. **Deploy Comprehensive Asset Inventory:** Immediately establish a unified inventory that captures all assets across IT, Cloud, OT, and IoT environments to ensure nothing is unmanaged or invisible.
2. **Enable Continuous Vulnerability Scanning:** Initiate high-frequency scanning programs across known assets to accurately baseline the current vulnerability posture.
3. **Prioritize Critical Vulnerability Remediation:** Identify and patch, or mitigate, all known critical vulnerabilities residing on internet-facing, high-value, or high-privilege systems within 72 hours of discovery.
### Short-term Improvements (1-3 months)
1. **Implement Attack Path Analysis:** Integrate tools capable of mapping potential attack paths (chains of vulnerabilities, misconfigurations, and identities) to identify the most dangerous risks rather than treating vulnerabilities in isolation.
2. **Establish Cloud Security Posture Management (CSPM):** Deploy CNAPP-related capabilities to continuously monitor cloud environments for misconfigurations, non-compliance, and excessive entitlements.
3. **Review and Reduce Excessive Identity Permissions:** Audit high-risk accounts (e.g., administrative, service accounts) and enforce the principle of least privilege, utilizing just-in-time (JIT) access where feasible.
### Long-term Strategy (3+ months)
1. **Adopt a Mature Exposure Management Program:** Move beyond siloed vulnerability management to integrate vulnerability, cloud, OT/IoT, and identity posture into a cohesive, risk-based metric for executive reporting.
2. **Automate Patch Management Workflows:** Implement automated systems that coordinate patching efforts between security and IT operations teams to significantly shorten Mean Time To Remediate (MTTR).
3. **Integrate Open Source Security:** Integrate checks for vulnerabilities and licensing issues within open-source libraries used in software development (Software Composition Analysis or equivalent).
## Implementation Guidance
### For Small Organizations
- **Focus on IT Visibility First:** Prioritize foundational scanning (e.g., using Nessus Expert) for all managed endpoints and servers. Since resources are limited, leverage free tiers or bundled solutions that provide consolidated views.
- **Manual Permission Reviews:** Since dedicated CIEM tools may be out of budget, schedule quarterly manual reviews of cloud administrator and domain administrator groups.
### For Medium Organizations
- **Centralized Reporting:** Implement a centralized security management solution (e.g., Tenable Security Center) to aggregate data from different scans and environments for better team collaboration.
- **Pilot JIT Access:** Begin piloting Just-in-Time (JIT) access for standard administrative tasks in one non-critical cloud environment to test workflows before broader deployment.
### For Large Enterprises
- **Full Exposure Management Platform Deployment:** Integrate data streams from infrastructure, cloud, OT, and identity into a unified platform (e.g., Tenable One) to calculate risk scores based on context.
- **Formalize Security and IT Collaboration:** Establish formal Service Level Agreements (SLAs) between security and IT teams for vulnerability triage and remediation targets, supported by automated ticketing.
## Configuration Examples
*While the article does not contain direct, agnostic configuration examples, the guidance implies the following configuration goals achievable through relevant tools:*
1. **Least Privilege Enforcement:** Configure cloud IAM policies to deny all broad permissions by default, requiring explicit, time-bound roles assignment for sensitive actions.
2. **JIT Access Configuration:** Configure identity governance solutions to require multi-factor authentication (MFA) and justification approval before assigning elevated privileges for a limited duration (e.g., 4 hours).
3. **Vulnerability Prioritization:** Configure scanning platforms to automatically overlay asset criticality data with active threat intelligence (e.g., known exploitation status) to calculate a dynamic risk score for remediation targeting.
## Compliance Alignment
The recommendations directly support requirements outlined in modern federal cybersecurity mandates, specifically:
- **CISA FOCAL Plan:** Focuses heavily on Asset Inventory, Vulnerability Management, and Exposure Management.
- **Secure Criticality List, Guidance, and Response Plan (SLCGP):** The concepts mentioned (risk communication, vulnerability reduction) align with fulfilling SLCGP requirements.
## Common Pitfalls to Avoid
- **Ignoring the Attack Path:** Prioritizing vulnerabilities based only on CVSS score without considering if they are accessible within an attack chain (i.e., fixing a high-CVSS vulnerability on an isolated internal system while ignoring a low-CVSS vulnerability that leads directly to a domain controller).
- **Treating Cloud as "Fire and Forget":** Assuming configuration drift and security controls established during initial cloud deployment remain effective without continuous CSPM monitoring.
- **Siloed Data:** Maintaining separate vulnerability databases, cloud configuration reports, and identity access logs instead of integrating them for unified risk assessment.
## Resources
- **CISA FOCAL Plan Documentation:** The official CISA documentation outlining required cybersecurity capabilities for executive leadership focus.
- **Attack Path Analysis Tools:** Solutions designed to map threats across IT, Cloud, and Identity layers to determine true risk exposure.
- **Tenable One Exposure Management Platform:** A platform specifically named for consolidating visibility across IT, Cloud, OT/IoT, and Identity surfaces to meet modern risk management needs.