Researchers have discovered at least 9,000 exposed VNC (virtual network computing) endpoints that can be accessed and used without authentication, allowing threat actors easy access to internal networks.
VNC (virtual network computing) is a platform-independent system meant to help users connect to systems that require monitoring and adjustments, offering control of a remote computer via RFB (remote frame buffer protocol) over a network connection.
If these endpoints aren’t properly secured with a password, which is often the result of negligence, error, or a decision taken for convenience, they can serve as entry points for unauthorized users, including threat actors with malicious intentions.
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Source: Bleeping Computer