BreachCensus

Ladenburg Thalmann & Co. Inc.

United States of America

Ladenburg Thalmann & Co. Inc. is an organisation in Vermont. It appears on the Massachusetts Attorney General breach-notification register, the Vermont Attorney General breach-notification register and the New Hampshire Attorney General breach-notification register with 1 confirmed incident; the most recent notice was filed on September 24, 2026.

Data as of September 30, 2026.

Confirmed incident

Filed in VT, MA and NH

The same incident was filed separately with 3 jurisdictions within a few days of each other (VT, MA and NH) — shown here as one incident.

Disclosed
September 24, 2026

Timeline

  1. September 24, 2026
    Reported to regulator Regulator

    VT AG breach notification: 5 Vermont residents affected

    source
  2. September 24, 2026
    Reported to regulator Regulator

    MA AG breach notification: 63 Massachusetts residents affected

    source
  3. September 24, 2026
    Reported to regulator Regulator

    NH AG breach notification: an unknown number of New Hampshire residents affected

    source
What a Vermont notice means

Governed by 9 V.S.A. §2435. Notification to the Attorney General is required.

Note: the count is Vermont residents.

Vermont breach-notification register ↗

What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

What a New Hampshire notice means

Governed by RSA 359-C:20. Notification to the Attorney General is required.

Note: the count is New Hampshire residents.

New Hampshire breach-notification register ↗