Substitute Teacher Service, Inc data breach
Incident readout
- Company
- Substitute Teacher Service, Inc
- Reported to
- Delaware Attorney General
- Filed
- March 3, 2025
- People affected
- Not stated in the filing
- Incident type in filing
- Not stated
- Our review
- Investigation Open
Was this a ransomware attack?
The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.
What we know
Substitute Teacher Service, Inc. appears to be an educational staffing agency that facilitates the placement of substitute teachers within school districts. As an employer and service provider in the education sector, the company typically collects and maintains sensitive personal data, including Social Security numbers, payroll information, and professional certification records for its staff. In 2025, the company officially reported a data breach to the Delaware Attorney General, indicating that unauthorized parties may have accessed their systems. If you have received a formal data breach notification letter, it means your personal information was likely stored within the affected environment. This notice is intended to inform you of the incident so that you can take appropriate steps to monitor your accounts and protect your identity.
See every breach reported in Delaware or read what to do after a ransomware attack.
After the Substitute Teacher Service, Inc incident: what to do and your options
- What should I do after getting the Substitute Teacher Service, Inc data breach notice?
- Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
- Did Substitute Teacher Service, Inc offer free credit monitoring?
- Any free monitoring Substitute Teacher Service, Inc is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.
- Can I sue Substitute Teacher Service, Inc over the data breach?
- It depends on what was exposed, the law in Delaware and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
- Do I need a Substitute Teacher Service, Inc data breach lawyer or attorney?
- Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
- Is there a Substitute Teacher Service, Inc data breach class action lawsuit?
- Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Substitute Teacher Service, Inc. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
- Is the Substitute Teacher Service, Inc data breach letter legit or a scam?
- A notice from Substitute Teacher Service, Inc in the mail matches the breach Substitute Teacher Service, Inc reported to the Delaware Attorney General on March 3, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Substitute Teacher Service, Inc through a phone number or website you find yourself.
- How much could a Substitute Teacher Service, Inc data breach settlement or claim be worth?
- There is no set amount, and no Substitute Teacher Service, Inc settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Other breaches reported in Delaware
- Corebridge Financial, IncDE Attorney General · Filed date pendingCount not stated
- Gunster Yoakley & Steward, P.A.DE Attorney General · Filed date pendingCount not stated
- Dental Care Alliance, LLCDE Attorney General · Filed date pendingCount not stated
- AT&T, Inc.DE Attorney General · Filed August 7, 2026Count not stated
- Supplemental: Loan Care, LLC. (Notice on Behalf of Atlantic Bay Mortgage, LLC.)DE Attorney General · Filed August 7, 2026Count not stated
- Supplemental to June 15, July 20, and August 25, 2023 notices: Harvard Pilgrim Healthcare (“Harvard Pilgrim”)DE Attorney General · Filed August 7, 2026Count not stated
Attorney advertising. This page reflects a public regulator filing; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.