Contents

Introduction  1

Overview of Rulemaking  1

Background on the Rules  2

CISA's Proposed Rule  2

USCG's Final Rule  3

TSA's Proposed Rule  3

Comparison of the Rules  5

Areas of Convergence  8

Areas of Divergence  8

The Harmonization Challenge  9

Considerations for Congress  10

Mandate Common Definitions and Reporting Standards  10

Empower a Single Harmonization Authority  11

Direct Reciprocity Among Sector Regulators  12

Establish Unified Reporting Infrastructure  13

Evaluate the CIRCIA Rule's Scope Before Finalization  14

Address Multi-Modal Entities  14

Concluding Thoughts  14

Tables

Table 1. Comparison of the DHS Cybersecurity Rules  5

Contacts

Author Information  15