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Connecticut (CTDPA) Privacy Law Compliance

The Connecticut Data Privacy Act took effect July 1, 2023, with the Universal Opt-Out Mechanism honouring requirement adding teeth on January 1, 2025. Connecticut closely follows the Virginia/Colorado template but adds particularly strong protections for minors (opt-in for processing data of users known to be 13–16 for targeted advertising or sale), aligned with the 2024 amendment.

Statute
Connecticut Data Privacy Act
Conn. Gen. Stat. §42-515 et seq.
Effective
Jul 1, 2023
UOOM honouring Jan 1, 2025
Enforcer
Connecticut Attorney General
(exclusive)
Consumer rights
8
8 business obligations
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Who must comply

Exemptions

Consumer rights (8)

Right to access / know
Confirm whether personal data is processed and obtain a copy in a portable format
Right to correct
Correct inaccurate personal data
Right to delete
Request deletion of personal data the controller has collected
Right to data portability
Receive data in a portable, machine-readable format
Right to opt out of sale
Opt out of the sale of personal data to third parties
Right to opt out of targeted advertising
Opt out of cross-context behavioural advertising
Right to opt out of profiling with legal effect
Opt out of automated decisions producing legal or similarly significant effects
Right to appeal
Appeal a controller's refusal to honour a rights request (typically 45–60 days)

Business obligations (8)

Public privacy notice
Clear, accessible notice of categories collected, purposes, third parties, rights, and contact channel
Rights response within 45 days
Respond to consumer rights requests within 45 days (extendable by 45 more with notice)
Data processing agreements
Written contracts with processors restricting their processing to the controller's documented instructions
Data protection assessments
Document risk assessment for targeted advertising, sale, profiling, sensitive data processing
Honour universal opt-out signals (GPC)
Recognise the Global Privacy Control browser signal as a valid opt-out (where required)
Reasonable security practices
Administrative, technical, physical safeguards appropriate to the data's sensitivity
Data minimisation + purpose limitation
Collect only what is adequate, relevant, and reasonably necessary for the disclosed purposes
Opt-in for sensitive data + minors
Affirmative consent before sensitive data processing and before targeted ads or sale of data of consumers known to be 13–16

Required privacy notice elements

  1. Categories of personal data processed
  2. Purpose of processing
  3. How consumers exercise rights + the appeal process
  4. Categories of personal data shared + categories of third parties
  5. Active email or online mechanism for rights requests
  6. If applicable: clear notice of targeted advertising / sale with opt-out instructions
  7. Statement on Universal Opt-Out Mechanism recognition
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Penalties

Civil penalty per violation (CUTPA)
Up to $5,000
Conn. Gen. Stat. §42-110o (CUTPA enforcement)
Restitution + injunctive relief
Available
AG remedies
60-day cure period
Sunset Dec 31, 2024
Cure now discretionary

Common compliance pitfalls

Missing the teen targeted-advertising opt-in
Connecticut requires affirmative consent before processing data of consumers KNOWN to be 13–16 for targeted advertising or sale. 'I didn't know they were a teen' is not a defence if you process actual-knowledge signals like school email, age-gate input, or self-declared age.
Cure assumption
The 60-day cure window sunset December 31, 2024. AG can pursue penalties immediately for new violations.
GPC not honoured by Jan 1, 2025
Connecticut joined Colorado in requiring controllers to detect and honour Universal Opt-Out Mechanisms. Most CMPs require explicit configuration.
Profiling DPA gaps
DPAs are required for profiling that produces legal or similarly significant effects (credit, employment, insurance, education access).

FAQ

What's the penalty cap?
Connecticut enforces CTDPA through the Connecticut Unfair Trade Practices Act (CUTPA). Civil penalties up to $5,000 per wilful violation, plus restitution, attorney's fees, and injunctive relief.
Does CTDPA apply to my SaaS?
Yes if you collect data on Connecticut residents AND meet either threshold (100K consumers OR 25K consumers + 25% revenue from sale of PI). The 100K threshold is easy to hit for any B2C SaaS with US users.
What's special about Connecticut?
Connecticut has the strongest teen protections of the 2023-era state laws (opt-in for 13–16 targeted advertising/sale) and joined Colorado in mandatory UOOM (GPC) recognition starting January 2025.

Related state laws

California (CA)
CCPA/CPRA
Colorado (CO)
CPA
Virginia (VA)
VCDPA

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