← Back

Morgan Stanley Smith Barney Data Breach History

Finance United States
Website

Morgan Stanley Smith Barney was a wealth management joint venture; now part of Morgan Stanley Wealth Management.

This page shows all data breaches of Morgan Stanley Smith Barney. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.

3Total breaches
68.0KRecords breached
February 2018Last breach
30 AI Breach Risk score Moderate

Data Breach Timeline — All Morgan Stanley Smith Barney Breaches

Morgan Stanley Smith Barney Data Breach Summary

This page tracks the Morgan Stanley Smith Barney data breach history and cybersecurity incidents affecting Morgan Stanley Smith Barney (United States). BreachHistory currently indexes 3 publicly disclosed or catalogued incidents spanning 2010 through 2018, with approximately 68 thousand records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The Morgan Stanley Smith Barney breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.

Largest Morgan Stanley Smith Barney Data Breaches

The largest indexed incidents include the 2011 — Morgan Stanley Smith Barney: Morgan Stanley mailed a CD containing sensitive…, the 2010 — Morgan Stanley Smith Barney: Morgan Stanley mailed a CD containing sensitive…, and the 2018 — Morgan Stanley Smith Barney: Information on this security breach is provide…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Morgan Stanley Smith Barney or a regulator. Below is the list of large data breaches:

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, passwords, phone numbers, names, profile information, account identifiers, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Morgan Stanley Smith Barney Data Breach 2026

At the time of this update, no Morgan Stanley Smith Barney data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a Morgan Stanley Smith Barney data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This Morgan Stanley Smith Barney breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.

Report a breach for this company