Nitro PDF data breach might impact major companies, including Microsoft, Google, and Apple

Nitro PDF suffered a massive data breach that impacts many major organizations, including Apple, Chase, Citibank, Google, and Microsoft.

A massive data breach suffered by the Nitro PDF might have a severe impact on well-known organizations, including Google, Apple, Microsoft, Chase, and Citibank.

Nitro Software, Inc. develops commercial software used to create, edit, sign, and secure Portable Document Format (PDF) files and digital documents. The company has over 650,000 business customers worldwide, and claims millions of users across the globe.

According to the following the security advisory issued by the software maker and unauthorized third party gained limited access to a company database.

"NITRO ADVISES OF LOW IMPACT SECURITY INCIDENT
* AN ISOLATED SECURITY INCIDENT INVOLVING LIMITED ACCESS TO NITRO DATABASE BY AN UNAUTHORISED THIRD PARTY
* DATABASE DOES NOT CONTAIN USER OR CUSTOMER DOCUMENTS.
* INCIDENT HAS HAD NO MATERIAL IMPACT ON NITRO'S ONGOING OPERATIONS.
* INVESTIGATION INTO INCIDENT REMAINS ONGOING
* NO EVIDENCE CURRENTLY THAT ANY SENSITIVE OR FINANCIAL DATA RELATING TO CUSTOMERS IMPACTED OR IF INFO MISUSED
* DOES NOT ANTICIPATE A MATERIAL FINANCIAL IMPACT TO ARISE FROM INCIDENT
* INCIDENT IS NOT EXPECTED TO IMPACT CO'S PROSPECTUS FORECAST FOR FY2020"

Cybersecurity intelligence firm Cyble came across a threat actor that was selling a database, allegedly stolen from Nitro Software’s cloud service, that includes users’ data and documents. The huge archive contains 1TB of documents, the threat actor is attempting to sell it in a private auction with the starting price of $80,000.

The database contains a table named ‘user_credential’ that contains 70 million user records, including email addresses, full names, bcrypt hashed passwords, titles, company names, IP addresses, and other system-related data.

Cyble shared the database with Bleeping Computer that was able to determine the authenticity of the database.

“From the samples of the database shared with BleepingComputer, the document titles alone disclose a great deal of information about financial reports, M&A activities, NDAs, or product releases.” states BleepingComputer.

The records in the document database contain a file’s title, whether it was created, signed, what account owns the document, and whether it’s public.

I have reached Cyber for a comment, below their statement:

“Considering the scale and extent of the breach, this is one of the worst breaches Cyble has seen in the last few years. The cybercriminals were not only able to access sensitive account details, but also the information related to shared documents as well. Majority of the Fortune 500 organizations are affected by this breach.”

The databases contain a large number of records belonging to well-known companies:

Cyble has added the data related to the NITRO PDF data breach to its AmIBreached.com data breach notification service.

Pierluigi Paganini

(SecurityAffairs – hacking, Nitro PDF)

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