Vendor History
Squarespace security incident history
Updated . Data gathered daily from official public sources.
As of Oct 26, 2026, Vendor History found no records for Squarespace in the California and Washington Attorney General breach lists. Finding nothing in these sources does not mean nothing happened.
Breach notices and SEC cyber filings
None found in the sources we check.
Got a breach letter from Squarespace? What to do when a vendor has a data breach.
We check: California and Washington Attorney General breach notices, SEC cyber incident filings (Form 8-K, Item 1.05) and CISA's catalog of actively exploited security flaws. An empty section means we found nothing in those sources. It does not mean nothing happened. How it works
To cite: Vendor History, "Squarespace security incident history," vendorhistory.com/vendor/squarespace, data checked Oct 26, 2026. Free to reuse under CC BY 4.0 with credit to Vendor History.