Overstock.com Inc.’s investment arm Medici Ventures has upped its stake in Caribbean-based blockchain startup Bitt Inc., investing $3 million more into the company in return for an additional 8.6 percent share. Founded in 2015, Bitt offers a digital asset exchange whose initial focus was on providing access to cryptocurrencies in emerging markets with a high-frequency trading platform. It has ...

A newly discovered “kill switch” may be able to address distributed denial-of-service attacks that use a vulnerability in the Memcached memory caching system to amplify data volume, the same vulnerability used in a number of record DDoS attacks over the last two weeks. Corero Network Security Inc. made the claim Wednesday, saying it discovered an effective method that can address the Memcached ...

Cybersecurity firm McAfee LLC has made its second acquisition following its spinoff from Intel Corp. , snapping up Canadian virtual private network provider TunnelBear Inc. today for an undisclosed amount. Founded in 2011, TunnelBear offers a two-switch VPN service that allows its users to access content across the world by providing access to location-restricted sites in specific ...

Web application security scanner maker Netsparker Ltd. has raised $40 million in funding in a round led by enterprise software venture capital firm Turn/River Capital. Founded in 2009, Netsparker offers web application security scanning software that allows users to identify security flaws in any type of website, web application and web service. The software employs what it calls ...

The price of bitcoin and other leading cryptocurrencies dropped Wednesday as regulatory fears along with rumors that a major exchange had been hacked plunged the market into uncertainty again. Leading the headlines was a statement from the U.S. Securities and Exchange Commission saying that cryptocurrency trading sites needed to be registered with the agency as ...

Oculus Rift owners are no longer embracing the virtual reality revolution today after the Facebook Inc.-owned VR headset company failed to update a security certificate, turning the headsets of its entire user base into expensive bricks. The screwup, and that’s putting it politely, relates to the OculusAppFramework.dll file, a file required to operate the Rift headset, having ...

“The machine is randomly laughing at me,” may sound like the words of a crazy person, but in 2018 it turns out that it’s a tech illness versus a mental one. Today Amazon.com Inc. confirmed widespread reports that Alexa, the “smart” assistant in the company’s Echo smart speakers, is randomly laughing at people. The issue, first ...

Updated: Broadcom Ltd.’s effort to take over rival chipmaker Qualcomm Technologies Inc. has hit a new hurdle, with one arm of the U.S. government pushing back against the deal on national security grounds. The U.S. Committee on Foreign Investment said Tuesday that Broadcom’s acquisition of Qualcomm could pose a national security risk. The convoluted claim, related to a ...

Facebook Inc. is set to face the ghost of Christmas past in a court of law after BlackBerry Ltd. sued the social network giant for patent infringement in its mobile apps. BlackBerry, last in the news for having its site hacked for cryptomining, claimed in the suit that many of the features of Facebook’s messaging services ...

The Financial Crimes Enforcement Network, a bureau within the U.S. Department of the Treasury, published a letter Tuesday warning that initial coin offerings need to register as a money transmitter and also comply with anti-money-laundering statutes and know-your-customer rules. The letter, written by FinCEN’s assistant secretary for legislative affairs to Senator Ron Wyden, confirms that existing laws apply ...