Due to security risks associated with AI, the open-source software 'Cal.com' has decided to move to closed-source mode.
Bailey Panfleet, the founder of the schedule management tool Cal.com, explains the reasons for transitioning Cal.com from open source to closed source.
Cal.com Goes Closed Source: Why AI Security Is Forcing Our Decision | Cal.com - Scheduling Software for Online Bookings
AI is killing Open Source – Bailey Pumfleet is explaining how Cal.com is close-sourcing their app - YouTube
From the very beginning of Cal.com's founding, Mr. Panfleet deeply believed in open source, making it a core principle of the company. However, the advancement of AI raised security concerns, forcing him to make the decision to opt for closed source.
AI has made remarkable progress in the field of security. Claude Mythos Preview, which was not made public due to its 'excessively high cyberattack capabilities,' demonstrated its capabilities by autonomously completing a 32-stage corporate network attack simulation that covered everything from initial reconnaissance to complete network takeover.
Tests by a UK government agency revealed that 'Claude Mythos Preview' can autonomously execute a complete network takeover attack - GIGAZINE
In the past, discovering and exploiting vulnerabilities in applications required highly skilled hackers with years of experience and considerable time investment. However, AI like Claude Mythos Preview can scan entire open-source codebases and discover vulnerabilities in no time at all.
In this situation, Panfleet explained his reasons for abandoning open source, stating that being open source is 'like handing over the blueprints for a safe,' and that 'when the structure is completely open, it becomes easy to find and exploit vulnerabilities.'
On the other hand, Cal.com places great importance on being open source, and will not be completely transitioning to closed source. Instead, they plan to open-source a version of the code with security-critical parts such as authentication and data processing under the MIT license as ' Cal.diy '.
While stating that 'we need to protect customer information now,' Panfried expressed his desire to return to open source someday, saying, 'I hope that with the evolution of the security environment, we will be able to go back to open source.'
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Cal.com faces criticism for changing its open-source policy 'to ensure security' - GIGAZINE
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