Manufacturers frequently release patches for security vulnerabilities. Check the settings menu of your camera for an "Update" button or visit the manufacturer's website. 2. Change Default Passwords Immediately
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Many routers have UPnP enabled by default, which allows devices like cameras to automatically "poke a hole" in your firewall to allow remote viewing.
Vulnerable or misconfigured IP camera web interfaces. These are often login portals or configuration dashboards where camera streams are managed.