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Selling your old iPhone? Here's how to avoid scams

You might need a hand paying for that iPhone X. CNET’s Marguerite Reardon offers advice on how to safely sell your old phone to help pay for the new one.

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<p>A US flag waving at the US Embassy in Russia. The US Department of Homeland Security told 21 states Friday that hackers targeted their election systems.</p>

Hackers targeted election systems in 21 states, DHS says

Vote-counting systems weren't affected, and few of the states targeted were actually breached, says the Department of Homeland Security.

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The Nest Cam IQ Outdoor brings 4K imaging outside

Want to see who's in your yard? The $349 Nest Cam IQ Outdoor can tell you.

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Nest Hello doorbell camera can recognize your face

And not just yours: Find out if a dog came to your door with Nest's new video doorbell.

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Nest Secure is a $500 home security system

Nest wants to secure your home with sensors that detect doors opening, NFC tags to arm or disarm the system and a keypad base.

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<p>(GERMANY OUT) Ein Vorh?ngeschloss auf einer Computer Tastatur. Symbolfoto f?r Datensicherheit und Hacking (Photo by Wodicka/ullstein bild via Getty Images)</p>

Singapore leads the world in cyberattacks

The small country overtakes the US, Russia and China.

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<p>CCleaner is downloaded millions of times a week for free.</p>

Researchers: CCleaner attack aimed at major tech companies

Hackers set their sights on companies like Google, Microsoft and Samsung, infecting potentially hundreds of computers with malicious software.

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Police need warrant to track cellphones, appeals court says

A judge must sign off when police use "Stingrays" to record all the cellphone numbers nearby. The devices trick cell phones by acting like cell towers.

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<p>Does it look like a large electric toothbrush to you?</p>

These security robots are the ultimate spy tools

Watch out, criminals. Knightscope’s new security robot uses the same technology as TSA screening points to detect the size and shape of weapons.

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<p>Senators want to know when Equifax knew about its massive data breach exposing personal information for as many as 143 million people in the US, including names, Social Security numbers, birth dates and addresses of customers. </p>

How has the Equifax security breach affected you?

About half of the US population's personal data has been compromised. Does it scare you? What have you done about it? We want to know.

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<p>US Security and Exchange Commission Chairman&nbsp;John Clayton.</p>

After breach, SEC says hackers used stolen data to buy stocks

After accessing the Security and Exchange Commission's nonpublic filings, hackers may have used the stolen data to pad their portfolios with tomorrow's hot stocks.

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Face ID can protect iPhone X from thieves, but not the law

Despite all the safeguards behind Face ID, the biometric tech will have a hard time providing privacy in the courts.

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REVIEW

Meet the drop-resistant Moto Z2 Force

The Moto Z2 Force is really thin, with a fast processor and great battery life. It can survive drops without shattering.