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Users must avoid reusing identical passwords across multiple personal and corporate platforms to nullify the threat of credential stuffing.

The occurred in September 2020 , compromising the data of over 77 million users and exposing corporate details of major tech giants. The attack, orchestrated by the notorious cybercriminal group ShinyHunters , initially targeted an isolated database used for Nitro’s cloud-based logging services.

: The company worked with cybersecurity experts to enhance logging, detection, and data monitoring protocols. User Action : Cybersecurity agencies like

If you used Nitro PDF or Nitro Sign before 2021, there is a high probability your data was included in this breach. You can verify your status using these steps:

More alarming from a corporate perspective was the document database, which contained hundreds of thousands of documents created and signed by Nitro's enterprise clients. These documents included financial reports, merger and acquisition activities, nondisclosure agreements (NDAs), and product release details. One source described the collection as containing "tens of thousands of accounts and documents linked to those companies, including financial reports, merger and acquisition activities, nondisclosure agreements and product release details".

The Nitro PDF data breach serves as a wake-up call for businesses to prioritize cybersecurity. Here are some steps companies can take to protect themselves:

To help me tailor any further security advice, are you checking this for your or on behalf of a business network ? Share public link

By analyzing the leaked document titles, bad actors could map out internal corporate projects, mergers, acquisitions, and legal disputes. This made the breach a goldmine for corporate espionage and targeted social engineering. The Secondary Threats: Phishing and Credential Stuffing

Nitro officially disclosed the event in October 2020 via an advisory to the Australian Stock Exchange. Data Volume: Approximately 14GB of database information.

The breach stemmed from a and an exposed set of credentials that allowed the attacker to query user records. This is a classic “misconfiguration” breach—not a sophisticated zero-day exploit. Nitro fixed the configuration within hours of discovery, but the data had already been downloaded.

If your organization uses Nitro PDF Pro for business, consider the following:

Nitro reset passwords in 2020, but if you haven’t logged in since, your account may still be vulnerable. Go to and change your password to a new, unique, strong password (16+ characters, using a password manager).

Nitro Pdf Data Breach Jun 2026

Nitro Pdf Data Breach Jun 2026

Users must avoid reusing identical passwords across multiple personal and corporate platforms to nullify the threat of credential stuffing.

The occurred in September 2020 , compromising the data of over 77 million users and exposing corporate details of major tech giants. The attack, orchestrated by the notorious cybercriminal group ShinyHunters , initially targeted an isolated database used for Nitro’s cloud-based logging services.

: The company worked with cybersecurity experts to enhance logging, detection, and data monitoring protocols. User Action : Cybersecurity agencies like

If you used Nitro PDF or Nitro Sign before 2021, there is a high probability your data was included in this breach. You can verify your status using these steps: nitro pdf data breach

More alarming from a corporate perspective was the document database, which contained hundreds of thousands of documents created and signed by Nitro's enterprise clients. These documents included financial reports, merger and acquisition activities, nondisclosure agreements (NDAs), and product release details. One source described the collection as containing "tens of thousands of accounts and documents linked to those companies, including financial reports, merger and acquisition activities, nondisclosure agreements and product release details".

The Nitro PDF data breach serves as a wake-up call for businesses to prioritize cybersecurity. Here are some steps companies can take to protect themselves:

To help me tailor any further security advice, are you checking this for your or on behalf of a business network ? Share public link Users must avoid reusing identical passwords across multiple

By analyzing the leaked document titles, bad actors could map out internal corporate projects, mergers, acquisitions, and legal disputes. This made the breach a goldmine for corporate espionage and targeted social engineering. The Secondary Threats: Phishing and Credential Stuffing

Nitro officially disclosed the event in October 2020 via an advisory to the Australian Stock Exchange. Data Volume: Approximately 14GB of database information.

The breach stemmed from a and an exposed set of credentials that allowed the attacker to query user records. This is a classic “misconfiguration” breach—not a sophisticated zero-day exploit. Nitro fixed the configuration within hours of discovery, but the data had already been downloaded. : The company worked with cybersecurity experts to

If your organization uses Nitro PDF Pro for business, consider the following:

Nitro reset passwords in 2020, but if you haven’t logged in since, your account may still be vulnerable. Go to and change your password to a new, unique, strong password (16+ characters, using a password manager).