3CX

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3CX, Inc., is a software development company and developer of the 3CX Phone System.

The 3CX Phone System is a software private branch exchange based on the SIP (Session Initiation Protocol) standard to allow calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services .

In 2023, during a major supply chain attack affecting the 3CX desktop application, company's public response included engaging the services of Google-owned cybersecurity firm Mandiant and advising customers to uninstall affected versions.

Controversies

Customer and Partner Relations

The company's CTO, Nick Galea, has been the subject of criticism from some 3CX users and partners for alleged heavy-handed moderation practices and perceived unprofessional conduct in public forums. Multiple users on Reddit have reported being banned from the official 3CX community forums for raising technical concerns or criticizing company policies.

Supply Chain Incident Response

In March 2023, 3CX was the victim of a high-profile supply chain attack, through to be the result of a cascade failure starting with the software X_Trader. This attack was likely caused by North Korean state-sponsored hackers

3CX also faced backlash for requiring users to pay to open support tickets during the breach, which led to further public criticism from system administrators and IT professionals.

"I have been in contact with 3CX and their suggestion is to open a support ticket at £75 per incident. Ludicrous." -wars_t (reddit.com)