US moves to tackle scourge of 'robocalls'

"Hello? Who's calling?" For many Americans these days, the call is coming from a "bot" or automated program that seeks to trick them into giving up money or important personal data.

Text spam messages on the rise

Lesley-Ann Thompson's cell phone buzzed the other week with a text message telling her she had won a $1,000 gift card from Best Buy.

US man arrested in hacker stock fraud scheme

US authorities Monday arrested and charged a Texas man accused of masterminding a scheme using a Russian hacker and an email spam campaign to pump up the value of fledgling companies, the Justice Department said.

Researchers zap huge global spam 'botnet'

A huge global 'botnet' responsible for sending out millions of spam messages each day has been shut down by a collaborative effort from security experts in the US, Britain and Russia, researchers said.

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