Banking

Medium

investigation open

Updated 7 days ago

Janney Montgomery Scott Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Janney Montgomery Scott.
•Discovered on October 31, 2026.
•Possible data exposed: Name, Address, Social Security Number, Tax ID Number, Account Number.
•Confirmation level: Confirmed by company.

Breach confirmed

The Janney Montgomery Scott breach is confirmed. If you may be affected, add your details below and we will take it from there.

Detailed summary

Janney Montgomery Scott notified clients regarding a data security incident involving third-party vendor Alation. According to the firm's client notice, Alation detected unauthorized access to its systems on August 18, 2026. Janney Montgomery Scott is a wealth management, brokerage, and investment banking firm headquartered in Philadelphia, Pennsylvania.

Information potentially involved in the incident includes client names, addresses, Social Security numbers or tax ID numbers, and financial account numbers. The total number of impacted clients and the geographic distribution across specific states have not been publicly disclosed.

As investigations and notifications progress, additional information concerning the scope of the incident and technical remediation efforts may become available. State regulatory filings and formal incident reports often emerge following initial client notifications.

Data possibly involved

Name
Address
Could be combined with other data for identity theft
Social Security Number
Can be used to open fraudulent accounts and file false tax returns
Tax ID Number
Account Number

Company Response Timeline

Breach Occurred

Aug 18, 2026

Company Discovered

Aug 18, 2026

Regulator Notified

Unknown

Consumers Notified

Unknown

0 days to discover

Breach Verification Status

Reports Only

Complete

Initial dark web reports of potential breach

Company Confirmed

Current

Company has acknowledged the breach

Regulator Confirmed

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Investigation Open

We're actively investigating this case and seeking affected individuals.

Were you affected? Submit your information below.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

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Check Your Risk Level

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Do you use Janney Montgomery Scott?

Yes

What should I do?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

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