LastPass data breach: threat actors stole a portion of source code

Password management software firm LastPass has suffered a data breach, threat actors have stole source code and other data.

Password management software firm LastPass disclosed a security breach, threat actors had access to portions of the company development environment through a single compromised developer account and stole portions of source code and some proprietary technical information.

“Two weeks ago, we detected some unusual activity within portions of the LastPass development environment.” reads a notice published by the company. “We have determined that an unauthorized party gained access to portions of the LastPass development environment through a single compromised developer account and took portions of source code and some proprietary LastPass technical information. Our products and services are operating normally.”

In response to the incident, the company has deployed containment and mitigation measures and is implementing additional enhanced security measures.

The company engaged a leading cybersecurity and forensics firm to investigate the incident, it confirmed that the data breach did not compromise users’ Master Passwords.

“This incident did not compromise your Master Password. We never store or have knowledge of your Master Password. We utilize an industry standard Zero Knowledge architecture that ensures LastPass can never know or gain access to our customers’ Master Password. You can read about the technical implementation of Zero Knowledge here.” continues the notice.

At this time, the company claims that its investigation has shown no evidence of any unauthorized access to customer data in its production environment.

LastPass, which as more than 30 million users worldwide states that it will continue to update its customers with the transparency they deserve

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Pierluigi Paganini

(SecurityAffairs – hacking, data breach)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.