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Connecticut Data Breach Statute


Conn. Gen. Stat. § 36a-701b

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Quick Facts

Breach Based on
Harm Threshold

Deadline for
Consumer Notice

Notification Required


No later than 90 days



More Details

Scope of this Summary Notification requirements applicable to any persons who conduct business in the state and own, license or maintain covered info. Some types of businesses may be exempt from some or all of these requirements and non-commercial entities may be subject to different requirements.
Covered Info “First name or first initial and last name, plus: Social Security number; driver's license or state identification card number; credit or debit card number; or financial account number in combination with any required security or access code or password that would permit access to a resident's financial account.”
Form of Covered Info Electronic Only
Encryption Safe Harbor Statute does not apply to information that is encrypted or secured by other methods that renders them unreadable or unusable.
Breach Defined Unauthorized access to or acquisition of covered info.
Consumer Notice Timing: Must be made without unreasonable delay, subject to completion of an investigation to determine the nature and scope of the incident, to identify those affected, or to restore the reasonable integrity of the system.

Content: If Social Security Numbers are breached or reasonably believed to have been breached, must offer appropriate identity theft prevention and, if applicable, mitigation services at no cost to the resident for not less than 12 months, as well as information on how the resident can place a credit freeze.

Method: By written notice, telephone notice, or electronic notice if it is consistent with E-SIGN. Substitute notice is available if certain criteria are satisfied.
Delayed Notice Notification may be delayed if law enforcement determines that notice will impede a criminal investigation, and law enforcement requests notification be delayed.
Harm Threshold Notification not required if, after appropriate investigation and consultation with relevant federal, state, and local law enforcement, the covered entity reasonably determines the breach will not likely result in harm to affected residents.
Government Notice Covered entity must also provide notice to the Connecticut Attorney General no later than the time notice is provided to the resident.
Third-Party Notice If you maintain covered info on behalf of another entity, you must notify them immediately following discovery of breach.
Potential Penalties Violations may result in civil penalties.


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This summary is for informational purposes only. It provides general information and not legal advice or opinions regarding specific facts. Additional requirements or conditions may apply to any or all provisions referenced herein. For more information about the state data breach notification laws or other data security matters, please seek the advice of counsel.

Last revised on November 13, 2018