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Received a Fullsteam Software Holdings LLC d/b/a Event Rental Systems notification letter? Read the letter guide
Investigation OpenCA AG filing · December 15, 2025

Fullsteam Software Holdings Data Breach: What Your Claim May Be Worth

Fullsteam Software Holdings d/b/a Event Rental Systems reported a data breach in December 2025 that exposed personal information. If you received a notification letter, your data may have been compromised, and you could be entitled to compensation.

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This breach is real, not a scam. Fullsteam Software Holdings LLC d/b/a Event Rental Systems officially reported it to the CA Attorney General on December 15, 2025.

Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278

Received a Fullsteam Software Holdings LLC d/b/a Event Rental Systems notification letter? Find out in minutes if you qualify for compensation.

Free case review
State
CA
Breach date
September 16, 2025
Reported
December 15, 2025

Fullsteam Software Holdings LLC, operating as Event Rental Systems, recently disclosed a data breach impacting individuals in California. The incident, which occurred on September 16, 2025, involved unauthorized access to systems containing personal information. The company filed its report on December 15, 2025, and an investigation is currently underway to understand the full scope of the breach.

While the specific types of data exposed were not detailed, any compromise of your personal information can lead to significant concerns. This could include potential identity theft, fraud, or other misuse of your sensitive data by bad actors.

Receiving a data breach notification letter means your information was directly involved. It's a critical alert that you should take seriously, as the impact of such an event can extend long after the initial breach.

To protect yourself, remain vigilant for any unusual financial activity, unsolicited communications, or suspicious requests for personal details. Regularly review your bank statements and credit reports for discrepancies.

Beyond immediate protection, you may have legal options. Many individuals affected by data breaches can pursue compensation for the inconvenience, risk, and potential damages caused by the exposure of their personal information. The value of a claim can vary based on several factors, including the specifics of the breach and the laws applicable in California.

If you received a data breach notification from Fullsteam Software Holdings, you should consider exploring your potential claim. A free, no-obligation case review can help you understand your rights and determine if you are eligible to pursue compensation. There are no fees unless you recover, making it a risk-free way to assess your options.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Fullsteam Software Holdings LLC d/b/a Event Rental Systems data breach settlement, compensation and claim questions

How much could a Fullsteam Software Holdings LLC d/b/a Event Rental Systems data breach settlement or claim be worth?
There is no set amount, and no Fullsteam Software Holdings LLC d/b/a Event Rental Systems 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.
Is there a Fullsteam Software Holdings LLC d/b/a Event Rental Systems 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 Fullsteam Software Holdings LLC d/b/a Event Rental Systems. 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.
Can I sue Fullsteam Software Holdings LLC d/b/a Event Rental Systems over the data breach?
It depends on what was exposed, the law in CA 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.
Did Fullsteam Software Holdings LLC d/b/a Event Rental Systems offer free credit monitoring?
Any free monitoring Fullsteam Software Holdings LLC d/b/a Event Rental Systems 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.
Is the Fullsteam Software Holdings LLC d/b/a Event Rental Systems data breach letter legit or a scam?
A notice from Fullsteam Software Holdings LLC d/b/a Event Rental Systems in the mail matches the breach Fullsteam Software Holdings LLC d/b/a Event Rental Systems reported to the CA Attorney General on December 15, 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 Fullsteam Software Holdings LLC d/b/a Event Rental Systems through a phone number or website you find yourself.
Do I need a Fullsteam Software Holdings LLC d/b/a Event Rental Systems data breach lawyer or attorney?
A data breach lawyer can tell you whether your situation supports a claim and what it may be worth. A review here is free, and law firms usually take these cases on contingency, so there is no upfront cost.
Where can I see the official Fullsteam Software Holdings LLC d/b/a Event Rental Systems breach notice?
Fullsteam Software Holdings LLC d/b/a Event Rental Systems's report is published by the CA Attorney General: https://oag.ca.gov/privacy/databreach/list#fullsteam-software-holdings-llc-d-b-a-ev-2025-12-15 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Fullsteam Software Holdings LLC d/b/a Event Rental Systems 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.

Source: CA Attorney General filing

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