Twitter, Facebook, and ADP said they've reset some users' accounts.
The attackers are using the "Pony" botnet command-and-control server software.
If remote management is enabled, an attacker could change a router's settings and steal information.
The court declined to review a New York law requiring collection of sales tax for online purchases.
Some users of the popular Bitcoin discussion forum are advised to change their passwords in the wake of a security breach.
Syme, a service built by three students in Montreal, touts the easy-to-use encryption of its social network.
Apptricity will get $50 million from the Army. The company said its software was used in relief efforts in Haiti and in the Middle East
Israeli researchers defend their paper, while the real account holder blamed sloppy research.
The security vendor has seen an uptick in infections as well as command-and-control servers.
Atrax, sold for $250, offers a variety of other potent plugins besides its ability to mine and steal virtual currency.
Mystery surrounds a sizable transfer in March between an early bitcoin account and the underground marketplace.
A Boston-based company, Abine, is beefing its anti-tracking browser extension to let users shield their real credit card details, email addresses and phone numbers during web transactions.
Ross William Ulbricht will remain behind bars as he awaits trial for allegedly running the underground online drugs marketplace.
A worm-like type of malicious software has been found targeting Apache Tomcat, an open-source Web server application, according to Symantec.
Mining companies increasingly are being targeted by hackers trying to steal information and disrupt operations, as the metals industry expands its dependence on Internet-connected systems to reduce costs.
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