Data Breach Response / Financial Administrative Support Services · Updated September 28, 2026 Independent coverage, not a communication from Financial Administrative Support Services

Financial Administrative Support Services Data Breach: What Happened and What You Should Do

Financial Administrative Support Services disclosed a data breach affecting an unconfirmed number of people. Here's what is currently known about the incident, what information may have been exposed, and steps you can consider taking.

Notification / monitoring offer underway Sources listed below
Breach snapshotUpdated September 28, 2026
Company
Financial Administrative Support Services
People affected
Undisclosed

Vermont AG table lists 6 Vermont residents as of September 25, 2026. The California AG sample notice states approximately 16 Rhode Island residents may be impacted; a national headcount is not stated.

Incident date
On or before March 26, 2025, and June 8 – June 11, 2025
Discovered
May 26, 2025
Disclosed
September 25, 2026
Information exposed
Status
Notification / monitoring offer underway

California AG sample notice dated September 25, 2026; IDX monitoring enrollment deadline December 25, 2026.

What happened in the Financial Administrative Support Services breach?

How the attacker got in

Unknown actor gained access to certain FASS systems prior to March 26, 2025, and again June 8–11, 2025, and accessed and/or copied certain information.

Timeline of what is known

  1. 01On or before March 26, 2025, and June 8 – June 11, 2025Unauthorized access
  2. 02May 26, 2025Breach discovered
  3. 03September 25, 2026Breach disclosed publicly
  4. 04September 25, 2026Affected individuals notified

Dates come from the sources listed at the bottom of this page. Separate events are kept separate; where a date has not been disclosed, it says so.

What information was exposed?

The categories below come from Financial Administrative Support Services's disclosure and the sources listed on this page. Each is labeled by what the evidence supports. Categories not mentioned in any source are not listed, even if they are common in similar breaches.

Exposed May have been exposed Access not confirmed

Name

Name (company notice).

Exposed

Social Security number

Vermont AG table lists Social Security Numbers; public sample letter does not list additional elements.

May have been exposed

Financial information

Vermont AG table lists Financial Account Codes and Credit/Debit Account Info; public sample letter does not list additional elements.

May have been exposed

Why this information matters

The risks below are the ones associated with the categories of information involved in this breach. This describes how exposed information can be used in general. It does not state that any of this has happened with data from this incident.

Information from one breach can sometimes be combined with information from other breaches or public sources. A name and email address on their own are limited. Paired with a date of birth from one leak and an address from a people-search site, they become enough to answer a security question or make a scam call sound informed.

Whether the data from this breach has been sold, shared, or used is not known unless a source on this page says so. Where that is documented, it appears in the "What happened" section above.

If you were affected, consider doing these things now

Practical steps for this breach, in rough order of priority. None of these require buying anything. Monitoring services, including ours, are one option among several.

  1. 01Enroll in IDX monitoring by December 25, 2026 at https://app.idx.us/account-creation/protect using the code in your letter, or call 1-866-200-0959 (Monday–Friday, 9:00 a.m.–9:00 p.m. Eastern).
  2. 02Review credit reports and account statements for activity you do not recognize.
  3. 03Consider a fraud alert or credit freeze with Equifax, Experian, and TransUnion.
  4. 04Watch for phishing that references FASS or IDX.
  5. 05Verify any call or email about the incident using the phone number or address in your written notice (3180 Newberry Drive, Suite 200, San Jose, CA 95118).

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How one breach can contribute to a larger exposure footprint

A possible risk pattern, not a description of this incident. Each step is something that can happen after a breach. Nothing here states that it has happened with data from this incident.

Illustrative pattern
  1. Step 1

    One breach

    A single company's records are accessed without authorization.

  2. Step 2

    Personal information is exposed

    Some categories can be changed afterward. Others, like a name or date of birth, can't.

  3. Step 3

    It may remain accessible

    Copies of breached data can persist well beyond the original incident.

  4. Step 4

    Sources can be combined

    Fragments from different breaches and public sources may be assembled into a fuller profile.

  5. Step 5

    More targeted attempts

    A fuller profile can make fraud, impersonation, phishing, or social engineering attempts more convincing.

A breach is an event. Exposure can last longer.

A password can be reset and a card reissued. Some information can't be replaced, and that is the part that stays useful to someone attempting fraud later. This does not mean fraud will occur. It means the risk does not close when the news cycle does.

Involved in this breach and hard to change

What Financial Administrative Support Services has done so far

Only actions the company has announced or that are documented in the sources below. If something you'd expect to see isn't here, it hasn't been announced as of the last update.

Sources

Primary sources first: company disclosures, regulator and attorney general filings, SEC filings, court documents. News reporting is listed as secondary. Where reports conflict, the conflict is noted in the "What happened" section rather than resolved silently.

Primary 01
Financial Administrative Support Services via California Attorney General · September 25, 2026
Primary 02
California Office of the Attorney General · September 25, 2026
Primary 03
Office of the Vermont Attorney General · September 25, 2026

Last updated September 28, 2026 · First published September 28, 2026

Questions about the Financial Administrative Support Services breach

Financial Administrative Support Services (FASS), an accounting and administrative support company for non-profits, notified individuals in a September 25, 2026 letter filed with the California Attorney General.

The company has not disclosed how many people were affected. Vermont AG table lists 6 Vermont residents as of September 25, 2026. The California AG sample notice states approximately 16 Rhode Island residents may be impacted; a national headcount is not stated.

Unauthorized access is reported to have occurred On or before March 26, 2025, and June 8 – June 11, 2025.

The company says it discovered the breach on May 26, 2025. It disclosed the incident publicly on September 25, 2026.

Confirmed exposed: Name. May have been exposed: Social Security number, Financial information. See the full list with status labels above.

The most reliable way is a notice from Financial Administrative Support Services itself. The company has not said how or when it will notify affected individuals. Be cautious of unsolicited messages claiming to confirm you were affected; verify through a contact method you already have.

Start with the checklist above: follow the company's instructions, watch for phishing that references the breach, monitor the affected accounts, and consider a credit freeze if identifiers like a Social Security number are confirmed involved.

The company reports notifying affected individuals September 25, 2026.

Yes. Information that can't be changed, such as a name, date of birth, or Social Security number, can remain useful for fraud attempts long after the incident. That is a general risk, not a statement that data from this breach has been used.

AI Protection is an identity protection service that includes identity monitoring, removal of exposed information, restoration support, up to $5m identity theft insurance, social media monitoring. It is independent of Financial Administrative Support Services and cannot reverse a breach.

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