New York
From US data breach notification laws: After a data breach, how fast must a business tell people, and who else must it tell?
Law: General Business Law section 899-aa
The section that holds the state's general breach notification duty for businesses, as the source names it.
section 899-aa of the general business law
Source: https://legislation.nysenate.gov/pdf/bills/2023/S2659B. 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.
within thirty days after the breach has been discovered
Source: https://legislation.nysenate.gov/pdf/bills/2023/S2659B. Read 2026-11-01. Read once.
How fast, in the law's words: most expedient time possible
The law's own words for how quickly residents must be told, apart from any day count.
be made in the most expedient time possible
Source: https://legislation.nysenate.gov/pdf/bills/2023/S2659B. 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.
person or business shall notify the state attorney general
Source: https://legislation.nysenate.gov/pdf/bills/2023/S2659B. Read 2026-11-01. Read once.
Residents before the AG is told: Not stated
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.
No source we could use stated this. A blank never means no.
Days to tell the AG: Not stated
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.
No source we could use stated this. A blank never means no.
Encrypted data excepted: Not stated
Yes if the text limits the duty to unencrypted data, or leaves encrypted data out. Stolen keys can undo this in several states.
No source we could use stated this. A blank never means no.
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.
reasonably determines such exposure will not likely result in misuse of such information
Source: https://ag.ny.gov/resources/organizations/data-breach-reporting/shield-act. Read 2026-11-01. Checked by a second reader.