Karen is dedicated to helping federal agencies and others communicate technical cybersecurity info to external and internal audiences. Karen founded her company on the belief that security professionals will continue to fall behind attackers until we become more adept at communication.

Karen was formerly a Senior Computer Scientist at NIST, where she developed security publications for federal agencies and the public. She holds master's degrees in computer science and technical writing, and she's worked in IT for over 30 years.

Karen Scarfone's Publications and Blog

Welcome! This site has links to my online publications and blog posts. Sign up to get a weekly email update when I release a new pub or blog post.

NIST •

5G Cybersecurity (Executive Summary)

As the first volume of the practice guide, this document summarizes the most significant cybersecurity and privacy recommendations identified thus far from our research on this project. For more information, project goals and implementation details are being documented in a second NIST Cybersecurity Practice Guide Volume B. In addition, detailed information on 5G cybersecurity and privacy capabilities is also being published as part of a white paper series.
NIST •

Ransomware Risk Management CSF 2.0 Profile

NIST IR 8374 reflects changes made to the Cybersecurity Framework (CSF) from CSF 1.1 to CSF 2.0 which identifies security objectives that support managing, detecting, responding to, and recovering from ransomware events. You can use this publication to gauge your organization’s readiness to counter ransomware threats, mitigate potential consequences of a ransomware event, and to develop a ransomware countermeasure playbook.
NIST •

Protecting Subscriber Identifiers with Subscription Concealed Identifier (SUCI)

This publication describes enabling SUCI protection, an optional capability new in 5G which provides important security and privacy protections for subscribers. 5G network operators are encouraged to enable SUCI on their 5G networks and subscriber SIMs and to configure SUCI to use a non-null encryption cipher scheme; this provides their customers with the advantages of SUCI’s protections.
NIST •

Mapping Relationships Between Documentary Standards, Regulations, Frameworks, and Guidelines: Developing Cybersecurity and Privacy Concept Mappings

This document describes NIST’s approach to mapping the elements of documentary standards, regulations, frameworks, and guidelines to a particular NIST publication, such as CSF Subcategories or SP 800-53r5 controls. This approach is to be used to map relationships involving NIST cybersecurity and privacy publications that will be submitted via the NIST OLIR process and hosted on CPRT.
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