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Enterprise password manager OneLogin suffered a massive data breach Wednesday, and the attackers may have gained access to sensitive customer data, such as login information for a variety of companies. OneLogin manages login credentials for a variety of cloud applications for more than 2,000 enterprise clients.
The company, which said that its investigation is ongoing, wrote on its blog Wednesday that the attacker was able to access database tables that contain information about users, apps, and various types of keys. “While we encrypt certain sensitive data at rest, at this time we cannot rule out the possibility that the threat actor also obtained the ability to decrypt data,” the company wrote in a letter to clients.
Password Resets for 1000s of Businesses
The attack began around 2 a.m. Pacific time on Wednesday, May 31, when the malicious actor somehow obtained access to a set of Amazon Web Services (AWS) keys and used them to access the AWS API from an intermediate host with another, smaller service provider in the U.S., according to the company.
Through the API, the attacker was then able to create several instances of the company’s IT infrastructure to probe the company’s system. The company said it was alerted to the unusual database activity seven hours later, at which point it shut down access to the affected instance and the AWS keys associated with it. The breach is thought to be enormous, as all of company’s data centers in the U.S. were hacked.
The data breach is the latest such incident to affect a cloud service provider, which has raised questions among enterprise clients about the security of deploying their data to the cloud instead of on-premises. What appears to be particularly damaging about the attack is that OneLogin had marketed itself as a tool for enterprises to make using cloud services more secure by consolidating the management of a number of login credentials.
Second Attack in Less than a Year
The possibility that the hacker may have obtained enough data to decrypt the encrypted credentials, meanwhile, could mean that thousands of businesses, including Yelp and Pinterest, may need to change their login information for every cloud service they use.
The details are still hazy, and OneLogin has yet to make an announcement about exactly what data has been stolen. But in the meantime, the company has apparently contacted all of its clients to advise that they immediately reset any passwords stored on OneLogin’s servers.
This is not the first time that OneLogin has suffered a breach in recent months. The company also suffered a breach from July to August when an attacker using a OneLogin employee’s password was able hack its servers and access company analytics and logs.
Image credit: iStock.