Identity and access management solutions provider OneLogin informed customers on Wednesday that it had detected unauthorized access at its U.S. data center.
OneLogin CISO Alvaro Hoyos said the breach was detected on May 31 and blocked the same day. Law enforcement has been notified and an independent security firm has been called in to assess the impact and cause of the intrusion.
While Hoyos’ statement contains few details, the emails sent to affected customers reveal that all users served by the company’s U.S. data center are impacted and may have had their information compromised.
OneLogin said it can’t provide additional information on the incident due to the ongoing law enforcement investigation, but a support page made available to customers mentions that the exposed information can be used to decrypt encrypted data.
The company, whose services are used by more than 2,000 enterprises in 44 countries, is requiring affected customers to force a OneLogin directory password reset for all their users, generate new certificates for apps that use SAML SSO, generate new API credentials and OAuth tokens, and generate new directory tokens for Active Directory and LDAP connectors.
The list of required actions also includes updating credentials for third-party apps such as G Suite and Workday, generating new Desktop SSO tokens, recycling any secrets stored in Secure Notes, updating credentials for third-party app provisioning, updating admin credentials for apps that use form-based authentication, replacing RADIUS shared secrets, and instructing end-users to update their passwords for form-based authentication apps.
The long list of instructions for IT teams suggests that this was a significant breach that could have serious consequences.
The incident comes less than a year after OneLogin admitted that hackers gained access to Secure Notes data after stealing an employee’s password.
Secure Notes are normally protected using multiple levels of AES-256 encryption, but a bug caused the data to be visible in clear text in the company’s log management system, to which attackers had access for several weeks.
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Eduard Kovacs (@EduardKovacs) is a contributing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.
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