The DISA data breach exposed the personal information of over 3.3 million individuals, making it one of the most significant security incidents in recent months. The breach, which was caused by an external hacking attack, has raised serious concerns about the security of employment screening services—especially those that handle sensitive personal and financial data. Given that DISA Global Solutions, Inc. provides background checks, drug testing, and identity verification services for thousands of businesses, the scale of this breach is alarming. It not only affects job applicants and employees but also poses risks to the companies that rely on DISA for pre-employment screening.
Who is DISA Global Solutions?
DISA Global Solutions, Inc. is a third-party administrator that provides a range of employment screening services, including drug and alcohol testing, background checks, and workforce compliance solutions. The company works with over 55,000 businesses, including a large portion of Fortune 500 companies, to help them vet job applicants and manage workplace compliance. Employers depend on DISA’s services to verify a candidate’s work history, criminal record, education credentials, and even financial stability.
Because DISA collects and stores a vast amount of personal data, it has become a prime target for cybercriminals. This breach raises a fundamental question: how secure are the databases of third-party employment screening companies? If organizations that specialize in handling confidential data can be breached, what does that mean for the security of job seekers and employees across various industries?
GrubHub data breach: Here’s what hackers got and what you must do now
Why DISA data breach matters?
Unlike standard data breaches that expose just names and contact details, the DISA data breach may have compromised Social Security numbers, financial information, and government-issued IDs. This type of information is highly valuable to cybercriminals, as it can be used for identity theft, fraudulent transactions, and unauthorized access to financial accounts.
Adding to the concern is the fact that DISA itself cannot confirm exactly what information was stolen. In its filings with state regulators, the company admitted that while it knows a hacker gained access to its systems, it lacks the ability to determine precisely which records were taken. This raises serious concerns about whether DISA had adequate monitoring and logging systems in place to track data access and prevent unauthorized activity.
With millions of people affected, including job applicants and employees across industries, the fallout from this breach is significant. It calls into question how third-party screening services handle security and whether stricter regulations are needed to protect individuals from long-term financial and personal risks.
When and how the breach occurred?
The DISA data breach began on February 9, 2024, when an unauthorized hacker infiltrated DISA’s network. For over two months, the attacker operated unnoticed, potentially extracting sensitive information before DISA finally discovered the breach on April 22, 2024.
The fact that DISA’s security systems failed to detect the breach in real time is a major red flag. Cybersecurity best practices emphasize continuous monitoring and anomaly detection, yet the attacker was able to remain inside the system for an extended period without triggering an immediate response. This suggests potential weaknesses in DISA’s intrusion detection capabilities, access controls, or forensic logging.
Delays in notification
While DISA became aware of the breach in April 2024, affected individuals were not notified until February 21, 2025—nearly a year after the breach began and ten months after its discovery. This long delay raises critical questions about DISA’s breach response process and whether it was adequate in protecting consumers.
Under data breach notification laws, companies are typically required to inform affected individuals as soon as possible so they can take steps to protect themselves. However, in this case, DISA’s lengthy investigation and review process prolonged the time it took to notify victims. The company stated that it conducted a “detailed and time-intensive review” to identify what personal information had been accessed.
This delay creates multiple risks:
- Increased exposure to identity theft: Since affected individuals were unaware of the breach for nearly a year, they had no opportunity to freeze their credit, place fraud alerts, or take other protective measures before criminals could exploit the stolen information.
- Regulatory and legal scrutiny: Many jurisdictions have strict timelines for data breach notifications. The ten-month delay in informing victims could attract regulatory investigations or legal action from those affected.
- Erosion of consumer trust: When companies delay breach disclosures, it raises suspicions about transparency and whether they are prioritizing damage control over consumer protection.
How many people were affected?
The DISA data breach impacted a staggering 3.3 million individuals nationwide, making it one of the largest breaches reported in the employment screening industry. While the breach affected people across the country, filings with state regulators revealed significant regional impacts:
- Maine: 15,198 residents were confirmed as victims.
- Massachusetts: Over 360,000 residents had their information exposed, making it one of the hardest-hit states.
The full extent of the breach’s impact is difficult to measure, as DISA provides services to tens of thousands of companies. Many of the individuals affected may not even be aware that their data was stored by DISA, as the company acts as a third-party administrator for pre-employment screenings.
What data was compromised?
DISA confirmed that the breached data included highly sensitive personal and financial information. While the company has not provided a complete list, regulatory filings indicate that the exposed information includes:
- Names and personally identifiable information (PII)
- Social Security numbers
- Financial account details, including credit card numbers
- Government-issued identification documents (e.g., driver’s licenses, passports, or state IDs)
What makes this breach particularly concerning is DISA’s own admission that it does not know exactly what data was taken. The company acknowledged that it “could not definitively conclude the specific data procured”, meaning it lacks clear audit logs or forensic capabilities to track exactly what was accessed by the hackers.
This raises serious concerns about DISA’s cybersecurity posture. In any data breach, one of the first steps should be a detailed forensic analysis to determine which records were accessed, exfiltrated, or manipulated. The fact that DISA cannot confirm the full scope of data exposure suggests a lack of proper logging, inadequate security monitoring, or insufficient detection mechanisms—all critical failures in data protection.
The consequences of this uncertainty are severe. If affected individuals do not know exactly what information was stolen, they cannot take proper steps to protect themselves. For example, someone who knows their Social Security number was leaked might take different precautions compared to someone whose financial data was compromised. The lack of clear answers puts millions at an increased risk of identity theft and financial fraud.
How the breach happened
The DISA data breach was classified as an external system breach, meaning hackers infiltrated the company’s network from outside rather than an insider threat or accidental data exposure. This suggests that cybercriminals actively targeted DISA’s infrastructure, found a vulnerability, and exploited it to gain unauthorized access.
DISA has not disclosed the specific method used by the attackers, but in similar breaches, common tactics include:
- Phishing attacks: Tricking employees into revealing login credentials.
- Exploiting unpatched software vulnerabilities: Taking advantage of outdated systems or misconfigured cloud environments.
- Credential stuffing: Using leaked passwords from previous data breaches to gain access to systems.
Regardless of the method used, the breach remained undetected for over two months, indicating a major failure in real-time threat detection.
After discovering the breach, DISA engaged third-party forensic experts to assess the damage. However, the investigation failed to determine exactly what data was accessed, raising serious questions about the company’s cybersecurity framework.
One of the most concerning revelations was DISA’s lack of full visibility into its own data access logs. Proper cybersecurity practices require detailed event logging, allowing security teams to track when, how, and by whom data was accessed. The fact that DISA cannot provide conclusive answers suggests:
- Poor logging and auditing practices: The company may not have had comprehensive monitoring in place to detect and record suspicious activity.
- Weak intrusion detection systems (IDS): If hackers remained inside the network for over two months without triggering an alarm, DISA’s security monitoring tools likely failed.
- Delayed forensic analysis: The longer a breach goes undetected, the harder it becomes to determine exactly what was stolen.
Steps for affected individuals
As part of its response to the DISA data breach, the company is offering 12 months of free credit monitoring and identity theft protection through Experian IdentityWorks. This service is designed to help affected individuals detect potential fraudulent activity linked to their personal information.
Victims must enroll by June 30, 2025, or they will forfeit the opportunity to receive these services for free. The Experian IdentityWorks package includes:
- Credit Monitoring: Alerts users of any suspicious activity on their credit report, including new accounts, hard inquiries, and significant changes to their credit profile.
- Identity Restoration Services: If an individual experiences identity theft, Experian specialists will help navigate the process of reclaiming their identity, disputing fraudulent accounts, and restoring their credit.
- Experian IdentityWorks ExtendCARE™: Provides continued identity restoration assistance even after the 12-month membership expires.
- $1 Million Identity Theft Insurance: Covers certain financial losses and legal expenses related to identity theft, offering added protection.
To enroll, affected individuals must visit the Experian IdentityWorks website and enter their unique activation code provided in their notification letter. If they fail to do so by June 30, 2025, they will no longer be eligible for these free services and will have to seek identity protection solutions on their own.
You can download the sample notification letter: HERE
While credit monitoring does not prevent identity theft, it acts as an early warning system, allowing victims to detect fraudulent activity before it escalates. However, given the scale of the DISA data breach and the sensitive nature of the exposed data, affected individuals should consider additional protective measures to secure their financial and personal information.
Featured image credit: DISA Global Solutions