Some hackers are exploiting Microsoft's offer of free upgrades to its new Windows 10 operating system.
Security researchers are warning about a wave of bogus spam emails with malicious attachments, labeled as if they're legitimate copies of the new program.
The attachments contain a "ransomware" program that, when opened, locks all the data on a computer and demands payment to release them.
Researchers at Cisco Systems say the emails are designed to look like an official upgrade notice from Microsoft Corp., but several words have random, out-of-place letters and punctuation.
Some Android users since June have seen a small, but significant tweak to Twitter: more hearts and fewer stars. Now it's iOS users' turn
The social network has begun rolling out an experimental feature to some iOS users that largely swaps out stars for hearts when users "favorite" or save tweets.
NEW YORK (TheStreet) -- T-Mobile U. S.
surged on a price target increase from KeyBanc Capital Markets. Sprint
edged lower ahead of its first quarter earnings release. T-Mobile jumped 4.7% to close at $40.67.
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The No. 4 U. S. carrier had its price target raised to $47 a share from $43 a share by KeyBanc Capital Markets analysts.