Tessco (United States) notified the Indiana Attorney General of a data breach on 15 September 2026. It affected 4,567 people. The breach began on 6 March 2026, 193 days before it was reported.
Status
Confirmed breach
People affected
4,567 people
Reported
15 September 2026
Breach began
6 March 2026
Time to tell
193 days (the median in California’s notices over the last year: 155 days)
What was exposed
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.
Before the notice: the ransomware gang Payoutsking named Tessco on its leak site on 30 April 2026, 138 days before this was reported. Matched by the organisation’s name: the notice itself does not say who the attacker was.
Look for Tessco LLC’s own notice or letter: it should say what of yours was involved. Keep it.
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Tessco LLC has a password of yours, change it now to be safe.
Expect scams that use your details: calls, texts or emails pretending to be Tessco LLC, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.