The California Consumer Privacy Act’s (CCPA) cybersecurity audit requirement marks a significant shift in privacy and security accountability. Beginning January 1, 2027, covered businesses will need to complete annual, independent, evidence-backed cybersecurity audits showing that their privacy and security controls are not only designed appropriately, but operating effectively over time. For many companies, this will be the first recurring, regulator-visible audit cycle that ties cybersecurity governance, privacy compliance, executive accountability, and legal defensibility together. Businesses that meet the applicable revenue and data-processing thresholds, including those processing large volumes of Californians’ personal information or sensitive personal information, should be preparing now, because the first audit period is quickly approaching.

These audits will require more than a technical controls review. Covered businesses will need to define audit scope, identify relevant systems and data flows, assess third-party and vendor access, document control performance, and support scoping decisions with clear evidence. Legal teams, privacy leaders, security, technology, compliance, and business stakeholders should be aligned early on what is in scope, what evidence will be used, who will own remediation, and how decisions will be documented. Chief legal officers and legal departments have an important role to play here: helping the business interpret regulatory expectations, pressure-test assumptions, assess whether auditor independence requirements are met, and frame the organization’s risk posture in a way that can withstand external scrutiny.

Companies can start by revisiting their data maps, identifying systems that collect, store, transmit, or provide access to California residents’ personal information, and comparing existing cybersecurity frameworks against the CCPA’s required audit domains. Organizations with mature compliance programs may have a head start, but even well-resourced companies should expect meaningful work around documentation, evidence standards, remediation tracking, and executive certification. The key is to move from “we have a program” to “we can prove the program works.” By 2027, the CCPA cybersecurity audit requirement will not be just another compliance milestone, it will be a credibility test for how well companies understand, govern, and protect the personal information they hold.

Photo of Kathryn Rattigan Kathryn Rattigan

Kathryn Rattigan is a member of the Business Litigation Group and the Data Privacy+ Cybersecurity Team. She concentrates her practice on privacy and security compliance under both state and federal regulations and advising clients on website and mobile app privacy and security…

Kathryn Rattigan is a member of the Business Litigation Group and the Data Privacy+ Cybersecurity Team. She concentrates her practice on privacy and security compliance under both state and federal regulations and advising clients on website and mobile app privacy and security compliance. Kathryn helps clients review, revise and implement necessary policies and procedures under the Health Insurance Portability and Accountability Act (HIPAA). She also provides clients with the information needed to effectively and efficiently handle potential and confirmed data breaches while providing insight into federal regulations and requirements for notification and an assessment under state breach notification laws. Prior to joining the firm, Kathryn was an associate at Nixon Peabody. She earned her J.D., cum laude, from Roger Williams University School of Law and her B.A., magna cum laude, from Stonehill College. She is admitted to practice law in Massachusetts and Rhode Island. Read her full rc.com bio here.