MathWorks, Inc., the developer of the popular MATLAB and Simulink software, confirmed today that it was the target of a significant cyberattack, resulting in the theft of sensitive personal information belonging to an undisclosed number of users.
In a notice sent to affected individuals, the company disclosed that it discovered a security incident on May 18, 2025, which involved unauthorized access to its internal networks and systems.
A subsequent investigation revealed that the threat actor had maintained access to the systems for approximately one month, from April 17 to May 18, 2025.
Investigation Results
According to MathWorks, the compromised data may include a range of personally identifiable information (PII). The company stated the stolen information varies by individual but could include full names, addresses, dates of birth, Social Security Numbers, and other non-U.S. national identification numbers. The breach exposes affected users to a heightened risk of identity theft and fraud.
Upon discovering the intrusion, MathWorks reported that it immediately initiated its incident response protocols, notified federal law enforcement, and engaged third-party cybersecurity experts to investigate the scope of the breach.
The company has since worked to contain the threat, eradicate unauthorized access, and implement additional measures to safeguard its systems, according to the notice.
“We have eradicated the unauthorized access and taken steps to safeguard our systems and information,” the company’s statement read. MathWorks has also engaged a third-party service to conduct dark web monitoring for any signs of the stolen data being sold or published.
To date, the company claims there is no evidence that the stolen data has been sold, posted online, or actively misused. “While we are not aware of any actual or attempted misuse of personal information or any financial harm to involved individuals as a result of this incident, as a protective measure, we are providing notice of this incident and identity protection services,” the notice continued.
MathWorks is urging all customers, especially those who received a notification, to remain vigilant. The company advises users to closely review their financial account statements and monitor their free credit reports for any suspicious activity or errors. It has provided an informational guide on general identity theft protection to all affected individuals.
This incident places MathWorks among a growing list of technology companies targeted by sophisticated cybercriminals aiming to steal valuable user data. The company has not yet commented on the number of users impacted or the specific nature of the attack.
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