Home surveillance companies are under scrutiny in the wake of two national news events drawing attention to privacy concerns surrounding the use of Ring and Nest security systems. A Super Bowl commercial for Ring, a home security company owned by Amazon, has led to questions about how much data home cameras are gathering.

Find out why the agent finds the released footage of Nancy's alleged abductor suspicious.

These developments have many wondering what a smart security camera or doorbell does, who has access to the video they take — and what homeowners can do to secure their own data.

The FBI obtained and released home security footage in the kidnapping investigation of Savannah Guthrie's mother, sparking nationwide privacy concerns about how such footage is stored and accessed.

Doorbell cameras have become increasingly common in American homes, allowing residents to see visitors without opening the door and capturing incidents like package theft in real time.

Experts say many homeowners make mistakes with their home security systems.