The world’s third-largest cybersecurity company Fortinet has disclosed a data breach after a threat actor Fortibitch leaked 440 GB of the company’s allegedly stolen SharePoint data.

The files included “limited data related to a small number of Fortinet customers,” the announcement added, stating that this affects less than 0.3% of its user base. The company then said that its operations have not been impacted by the attack,

Cybersecurity giant Fortinet has confirmed it suffered a data breach after a threat actor claimed to steal 440GB of files from the company's Microsoft Sharepoint server.

Cybersecurity vendor Fortinet disclosed that “less than 0.3 percent” of customers were impacted in the compromise of its cloud file-share environment — though that still equates to a potential 1,500 customers affected.

Fortinet has confirmed a data breach that has allegedly compromised 440 GB of Azure SharePoint files containing Fortinet customer data.

On Thursday, cybersecurity giant Fortinet disclosed a breach involving customer data. In a statement posted online, Fortinet said an individual intruder accessed “a limited number of files” stored on a third-party shared cloud drive belonging to Fortinet,

The incident is a reminder why organizations need to pay attention to how they store and secure data in SaaS and cloud environments.

A threat actor accessed ‘a limited number of files stored on Fortinet’s instance of a third-party cloud-based shared file drive,’ the security vendor says.

Fortinet (NASDAQ:FTNT) confirmed a data breach after a hacker claimed to have gained access to files from the cybersecurity company's Microsoft (MSFT) Sharepoint server, according to a report by BleepingComputer on Thursday afternoon.