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.

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.

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 d/b/a Event Rental Systems Files CA Data Breach

Fullsteam Software Holdings LLC, operating as Event Rental Systems, has officially reported a data breach to California authorities. The incident, which affected personal information, occurred on September 16, 2025, with the company filing notice on December 15, 2025. An investigation into the matter is currently in progress.

State: CA
Breach date: September 16, 2025
Reported: December 15, 2025

Fullsteam Software Holdings LLC, which operates as Event Rental Systems, has filed a data breach notification with California state regulators. The company reported that a security incident impacting personal information took place on September 16, 2025. This breach was formally filed with public authorities on December 15, 2025.

The public filing indicates that the breach type was unspecified, but it did result in the exposure of personal information. Event Rental Systems noted in its disclosure that an investigation into the incident is actively underway.

Critically, the official record does not provide details on the specific categories of personal information that may have been involved, nor does it state the total number of individuals impacted by this security event.

Should you receive a notification related to this breach, it is generally recommended to remain vigilant. Review statements from your financial institutions and other accounts for any unauthorized activity. Be cautious of unsolicited emails, calls, or texts that request personal details, as these could be phishing attempts. Consider placing a fraud alert on your credit files to make it harder for identity thieves to open new accounts in your name.

This information is compiled from official public data breach notifications submitted to state regulatory bodies, providing a factual overview of the reported incident.

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.

What to know about the Fullsteam Software Holdings LLC d/b/a Event Rental Systems data breach

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.
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.
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.
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.
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.
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.
Do I need a Fullsteam Software Holdings LLC d/b/a Event Rental Systems data breach lawyer or attorney?: An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: CA Attorney General filing

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