Teamsters Local 175 recently reported a data breach that may have exposed sensitive personal information belonging to union members and individuals connected to the organization. The breach involved unauthorized access to computer systems and may have compromised names, Social Security numbers, and commercial driver’s license information.
Teamsters Local 175’s Data Breach Investigation
Teamsters Local 175, a labor union representing workers across multiple industries, recently disclosed a cybersecurity incident involving unauthorized access to its computer systems. The organization became aware of suspicious activity and quickly began investigating the matter to determine the scope and nature of the incident.
Upon discovering the unusual activity, Teamsters immediately secured its network and engaged a team of third-party forensic investigators to analyze the breach. These cybersecurity specialists worked to identify how the unauthorized access occurred and whether any sensitive information had been compromised.
According to the investigation, an unauthorized actor gained access to Teamsters’ systems on or about January 29, 2025. During this incident, certain files containing personal information may have been accessed by the attacker. The breach remained undetected until later, highlighting a common challenge in cybersecurity incidents where unauthorized activity can persist or remain hidden for extended periods of time before discovery.
Following a detailed forensic investigation, Teamsters confirmed on January 2, 2026 that personal information belonging to certain individuals may have been exposed during the incident. The union continued analyzing affected files and systems to determine which individuals were impacted and what information may have been involved.
The investigation ultimately determined that some individuals’ personal data—including names, Social Security numbers, and commercial driver’s license information—may have been accessed by the unauthorized party.
Although Teamsters has stated that there is currently no evidence suggesting that the exposed information has been misused, the presence of Social Security numbers and driver’s license data raises significant identity theft concerns. These types of identifiers can be used to commit financial fraud, open fraudulent accounts, or impersonate individuals.
In response to the breach, Teamsters took immediate action to contain the incident and strengthen its cybersecurity posture. This included securing affected systems, conducting a comprehensive investigation, and implementing additional security measures to reduce the likelihood of future incidents.
Teamsters has also emphasized its commitment to protecting personal information and maintaining strong data security practices. Organizations that store sensitive personal data—especially information such as Social Security numbers—are expected to maintain robust cybersecurity safeguards to prevent unauthorized access.
To assist those affected, Teamsters has begun notifying impacted individuals about the breach. These notifications provide information about what occurred and outline resources available to help protect against identity theft.
In addition, the organization is offering complimentary credit monitoring services through Cyberscout, a TransUnion company specializing in fraud monitoring and identity theft assistance. These services are designed to help individuals detect suspicious activity and receive support if their identity is compromised.
The incident ultimately affected approximately 24,780 individuals, including two residents of Maine.
Even when misuse has not yet been identified, data breaches involving Social Security numbers can pose long-term risks. Personal data exposed during a breach may circulate on underground marketplaces or be used months or even years after the initial incident.
When Did This Breach Occur?
The data breach occurred on January 29, 2025.
Teamsters Local 175 later discovered the breach on March 4, 2026 after investigating unauthorized activity within its systems and conducting a forensic review of impacted files.
What Information Was Breached?
The personal information potentially exposed in the breach includes:
What You Can Do
If you received a notification from Teamsters Local 175 regarding this data breach, there are several steps you can take to protect yourself against potential identity theft.
First, consider enrolling in the complimentary credit monitoring services provided through Cyberscout. These services can alert you to suspicious activity involving your credit file and provide assistance if identity theft occurs.
You should also carefully monitor your financial accounts, credit reports, and bank statements for any unusual or unauthorized activity. Early detection is often the most effective way to prevent further harm after a data breach.
Consumers are also entitled to free credit reports from each of the three major credit bureaus—Equifax, Experian, and TransUnion—through AnnualCreditReport.com. Reviewing these reports regularly can help identify accounts or inquiries that you did not authorize.
You may also consider placing a fraud alert or credit freeze on your credit file. Fraud alerts require lenders to verify your identity before issuing credit, while a credit freeze prevents access to your credit report without your permission.
Because Social Security numbers and driver’s license information were involved in this breach, remaining vigilant for signs of identity theft is especially important.
If you received a breach notice, you may also want to explore your legal options. Many individuals affected by data breaches are unaware that they may have rights under consumer protection laws.
File a Data Breach Lawsuit Against Teamsters Local 175
If you received a notification from Teamsters Local 175 stating that your personal information was exposed in this data breach, you may be eligible to pursue compensation.
Organizations that collect and store sensitive personal information have a responsibility to protect that data from unauthorized access. When companies fail to properly safeguard this information, individuals may face risks including identity theft, financial fraud, and long-term privacy violations.
Class action lawsuits can help hold organizations accountable when security failures lead to data breaches. In some cases, affected individuals may be able to recover compensation for damages, credit monitoring expenses, lost time, and other related harms.
Contact us at Class Action U, where we’ll connect you with a lawyer skilled in class action lawsuits. If you’ve been contacted about this breach, received notice, or discovered you were impacted, fill out our quick, easy, and secure form to sign up. There is no cost to reach out to our legal partner and no obligation after speaking with someone from our team
