Colorado
From US data breach notification laws: After a data breach, how fast must a business tell people, and who else must it tell?
Law: 6-1-716
The section that holds the state's general breach notification duty for businesses, as the source names it.
6-1-716. notification of security breach
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.
Days to tell residents: 30 days
The outer limit in days for telling affected residents, as stated. Blank where no number is stated. States start the clock differently, at discovery or at determining a breach happened, and the quote shows which.
not later than thirty days after the date of determination that a security breach occurred
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.
How fast, in the law's words: in the most expedient time possible and without unreasonable delay
The law's own words for how quickly residents must be told, apart from any day count.
notice must be made in the most expedient time possible and without unreasonable delay
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.
Attorney general told: Yes
Yes if the source says the state attorney general or its equivalent must be told of a breach in at least some cases. Florida's Department of Legal Affairs and Oregon's Attorney General count.
shall provide notice of any security breach to the colorado attorney general
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.
Residents before the AG is told: 500 residents
The number of affected residents at which the attorney general must be told, as stated. Blank where no number is stated. The quote shows whether it means that many or more than that many.
reasonably believed to have affected five hundred colorado residents or more
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.
Days to tell the AG: 30 days
The deadline in days for telling the attorney general, as stated. Blank where no number is stated. Clocks differ: some run from the breach, and others from telling residents, as the quote shows.
but not later than thirty days after the date of determination that a security breach occurred, if the security breach is reasonably believed
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.
Encrypted data excepted: Yes
Yes if the text limits the duty to unencrypted data, or leaves encrypted data out. Stolen keys can undo this in several states.
the unauthorized acquisition of unencrypted computerized data
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.
Low-harm exception: Yes
Yes if the text lets a business skip notice after finding that harm or misuse is unlikely, or only counts breaches that create a real risk.
unless the investigation determines that the misuse of information about a colorado resident has not occurred and is not reasonably likely to occur
Source: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-06.pdf. Read 2026-11-01. Read once.