Unpacking the FedRAMP Rev 5 SI-4 (18) Updates: Steganography and Covert Channels

FedRAMP Rev 5, particularly the update to SI-4 (18), emphasizes data exfiltration monitoring, focusing on covert channels like steganography. Kenny and Christian explore steganography's significance within the latest FedRAMP guidelines, reflecting th

Kenny Scott
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53
min read

In This Article

Staying ahead of new threats like steganography can feel overwhelming, especially with FedRAMP Rev 5’s updated SI-4 (18) requirements.

Paramify’s expertise simplifies the process, helping you understand what covert channels to monitor and how to implement the right defenses. In this post, we’ll break it down and guide you toward effective compliance.

Understanding Steganography

Steganography is the intricate method of concealing data within another dataset. In a tangible analogy, consider a regular shipping facility dispatching boxes daily. Using the steganography technique, one could covertly place an item inside an everyday box, ensuring it gets transported without drawing attention. The recipient, in the know, can then retrieve the hidden item from the box.

Digitally, steganography might involve embedding classified information within ordinary files like images or audio tracks. To the untrained eye (or system), this data seems like regular traffic, but to an informed receiver, the concealed data can be discreetly extracted.

Implications for FedRAMP Rev 5 SI-4 (18) Updates

With the inclusion of covert channel monitoring in the recent FedRAMP update, there's a spotlight on sophisticated data-smuggling methods like steganography. However, the nuances and specifics of this requirement have raised questions. If the main covert channel under scrutiny isn't steganography, which other methods demand attention?

This ambiguity emphasizes the need for clarity and precision. Given the covert channel's potential risks, it's vital for organizations to pinpoint what exactly they need to monitor. This understanding ensures the development and implementation of the most effective protective countermeasures.

Striking the Right Balance

In deciphering the FedRAMP's latest directives, experts find themselves at a crossroads. One path leans towards rigorous steganography monitoring due to its stealthy nature. The other suggests that while steganography is significant, there might be other covert channels also worthy of attention.

This dichotomy necessitates a balanced approach—combining vigilance for well-known methods like steganography with alertness for upcoming techniques.

Conclusion

The latest update in The FedRAMP Rev 5 SI-4 (18) is a testament to the ever-evolving challenges in cybersecurity. As threats grow in complexity, staying abreast of and adapting to guidelines like those around steganography becomes crucial. For organizations, the mantra remains clear: stay informed, stay adaptable, and above all, stay vigilant.

Kenny Scott
Kenny is an accomplished leader with a two decade tenure in Information Security and IT Audit. He's widely acknowledged in the industry and has a profound dedication to it. In addition to his technical expertise, Kenny's portfolio includes substantial experience in business strategy, investment, and programming. On the personal side, Kenny is a devoted husband to Angie Scott and a proud father of five. A music enthusiast, he relishes playing the guitar and enjoys surfing when a beach is within reach.
Jun 2023
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Can compliance advisors or consultants work in Paramify with us, and does it help with managed-service models?

Absolutely. Paramify is used by many advisory partners, RPOs, and MSPs to guide, generate, and manage documentation, perform gap assessments, facilitate policy/procedure drafting, and oversee remediation activities. Advisors can fill out templates, manage controls, and generate client-ready documents.

We have privacy or compliance concerns, can we restrict what external reviewers can access?

Yes, you can assign role-based access controls in Paramify. Advisors or auditors can be given access only to certain programs, assessment and their related evidence.

Sensitive information can be withheld or redacted as needed, and only authorized reviewers see specific items.

Can auditors or advisory partners get direct access to our Paramify environment, or do we have to export everything for them?

Yes, Paramify allows external assessors/auditors and advisors to be invited as users, with controlled permission levels. They can review specific evidence, policies, SSPs, POA&Ms, or assessment modules without accessing broader company data. 

Documentation — such as Appendix A, SSPs, procedures, and POAMs — can also be exported in multiple standard formats (Word, Excel, OSCAL, EMASS, PDF) as needed.

Can I get matched with an Advisor based on my specific needs?

Yes. You can use the Get Matched feature on our website. We will review your specific compliance goals and connect you with the partner best suited for your industry and timeline.

How do Advisors use Paramify during a FedRAMP engagement?

Advisors use Paramify to conduct Gap Assessments, map controls, Automate SSPs, and manage POA&Ms.

Instead of spending months writing Word documents, the Advisor inputs the system architecture and control implementations into Paramify, which then generates the required NIST-formatted documentation.

Does Paramify compete with its Advisors?

No. Paramify is a software company. We do not offer independent audit or long-term consulting services. Our goal is to empower Advisors with better tools so they can serve more clients effectively.

What are the different partner tiers?

We feature Premier Partners prominently on our site. These are firms that have demonstrated a high level of proficiency with the Paramify platform and have successfully helped many clients through the authorization process using our tools.

How do I become an official Paramify Advisor Partner?

We look for firms with a proven track record in federal compliance. If you are interested in joining our network and leveraging our automation products, you can reach out via our contact page or schedule a demo to see how our tools fit into your workflow.

What is the benefit of using an Advisor who uses Paramify vs. one who doesn't?

Advisors using Paramify can accelerate your implementation and typically deliver documentation in a fraction of the time it takes without Paramify. This means:

  • Faster Implementation: An accelerated implementation roadmap keeps timelines predictable.
  • Lower Costs: Reduced manual consultant hours.
  • Higher Accuracy: Automation eliminates the "copy-paste" errors common in traditional SSPs.
  • Easier Maintenance: Your Advisor can help you manage POA&Ms and continuous monitoring within the platform.
Does working with an Advisor on this list guarantee FedRAMP or CMMC authorization?

No firm can "guarantee" authorization, as the final decision rests with the government authorizing body (e.g., the FedRAMP PMO or the DoD).

However, working with a Paramify Advisor significantly reduces the risk of documentation errors and ensures your package is built on a technically sound, automated foundation.

How do I choose the right Advisor for my organization?

Our Advisor page allows you to filter partners by their specific expertise, such as FedRAMP, CMMC, FISMA, or GovRAMP.

Why does Paramify partner with Advisors?

Paramify is an “Iron Man suit” for GRC experts. We provide automation technology to generate and manage compliance documentation (like SSPs snd POA&Ms) while Advisors provide the expert human oversight and implementation expertise.

Together, we offer a "best-of-both-worlds" solution: expert consulting powered by industry-leading automation and risk management planning.

What is the Paramify Advisor Partner Network?

The Paramify Advisor Partner Network is a curated group of cybersecurity and compliance firms — including CMMC Registered Practitioner Organizations (RPOs) and accredited Independent Assessors— that use Paramify’s platform to deliver faster, more accurate compliance outcomes for their clients.

I already have an advisor or very capable GRC team. Why do I need Paramify?

Use Paramify's Risk Solution platform to automate ATO packages, improving cost efficiency, speed, and accuracy. This frees your team to focus on more valuable efforts like security posture enhancement and compliance improvements.