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We’ve often heard security folks explain their belief that one of the best ways to protect Web privacy and security on one's home turf is to lock down one's private Wi-Fi network with a strong password. But a coalition of advocacy organizations is calling such conventional wisdom into question. Members of the “Open Wireless Movement,” including the Electronic Frontier Foundation (EFF), Free Press, Mozilla, and Fight for the Future are advocating that we open up our Wi-Fi private networks (or at least a small slice of our available bandwidth) to strangers. They claim that such a random act of kindness can actually make us safer online while simultaneously facilitating a better allocation of finite broadband resources. The OpenWireless.org website explains the group’s initiative. “We are aiming to build technologies that would make it easy for Internet subscribers to portion off their wireless networks for guests and the public while maintaining security, protecting privacy, and preserving quality of access," its mission statement reads. "And we are working to debunk myths (and confront truths) about open wireless while creating technologies and legal precedent to ensure it is safe, private, and legal to open your network.”

One such technology, which EFF plans to unveil at the Hackers on Planet Earth (HOPE X) conference next month, is open-sourced router firmware called Open Wireless Router. This firmware would enable individuals to share a portion of their Wi-Fi networks with anyone nearby, password-free, as Adi Kamdar, an EFF activist, told Ars on Friday. Home network sharing tools are not new, and the EFF has been touting the benefits of open-sourcing Web connections for years, but Kamdar believes this new tool marks the second phase in the open wireless initiative. Unlike previous tools, he claims, EFF’s software will be free for all, will not require any sort of registration, and will actually make surfing the Web safer and more efficient.

Kamdar said that the new firmware utilizes smart technologies that prioritize the network owner's traffic over others', so good samaritans won't have to wait for Netflix to load because of strangers using their home networks. What's more, he said, "every connection is walled off from all other connections," so as to decrease the risk of unwanted snooping. Additionally, EFF hopes that opening one’s Wi-Fi network will, in the long run, make it more difficult to tie an IP address to an individual. “From a legal perspective, we have been trying to tackle this idea that law enforcement and certain bad plaintiffs have been pushing, that your IP address is tied to your identity. Your identity is not your IP address. You shouldn't be targeted by a copyright troll just because they know your IP address," said Kamdar.

Some time on Tuesday afternoon, about 50,000 Comcast Internet customers in Houston will become part of a massive public Wi-Fi hotspot network, a number that will swell to 150,000 by the end of June. Comcast will begin activating a feature in its Arris Touchstone Telephony Wireless Gateway Modems that sets up a public Wi-Fi hotspot alongside a residential Internet customer’s private home network. Other Comcast customers will be able to log in to the hotspots for free using a computer, smartphone or other mobile device. And once they log into one, they’ll be automatically logged in to others when their devices “see” them. Comcast says the hotspot – which appears as “xfinitywifi” to those searching for a Wi-Fi connection – is completely separate from the home network. Someone accessing the Net through the hotspot can’t get to the computers, printers, mobile devices, streaming boxes and more sitting on the host network. Comcast officials also say that people using the Internet via the hotspot won’t slow down Internet access on the home network. Additional capacity is allotted to handle the bandwidth. You can read more about Comcast’s reason for doing this in my report on HoustonChronicle.com.

What’s interesting about this move is that, by default, the feature is being turned on without its subscribers’ prior consent. It’s an opt-out system – you have to take action to not participate. Comcast spokesman Michael Bybee said on Monday that notices about the hotspot feature were mailed to customers a few weeks ago, and email notifications will go out after it’s turned on. But it’s a good bet that this will take many Comcast customers by surprise. If you have one of these routers and don’t want to host a public Wi-Fi hotspot, here’s how to turn it off.

The additional capacity for public hotspot users is provided through a separate channel on the modem called a “service flow,” according to Comcast. But the speed of the connection reflects the tier of the subscriber hosting the hotspot. For example, if you connect to a hotspot hosted by a home user with a 25-Mbps connection, it will be slower than if you connect to a host system on the 50-Mbps tier.

Brian Krebs is a popular reporter on the cybersecurity beat. He regularly exposes cybercriminals and their tactics, and consequently is regularly a target of their ire. Last month, he wrote about an online attack-for-hire service that resulted in the arrest of the two proprietors. In the aftermath, his site was taken down by a massive DDoS attack.In many ways, this is nothing new. Distributed denial-of-service attacks are a family of attacks that cause websites and other internet-connected systems to crash by overloading them with traffic. The "distributed" part means that other insecure computers on the internet—sometimes in the millions—are recruited to a botnet to unwittingly participate in the attack. The tactics are decades old; DDoS attacks are perpetrated by lone hackers trying to be annoying, criminals trying to extort money, and governments testing their tactics. There are defenses, and there are companies that offer DDoS mitigation services for hire. Basically, it's a size vs. size game. If the attackers can cobble together a fire hose of data bigger than the defender's capability to cope with, they win. If the defenders can increase their capability in the face of attack, they win. What was new about the Krebs attack was both the massive scale and the particular devices the attackers recruited. Instead of using traditional computers for their botnet, they used CCTV cameras, digital video recorders, home routers, and other embedded computers attached to the internet as part of the Internet of Things. Much has been written about how the IoT is wildly insecure. In fact, the software used to attack Krebs was simple and amateurish. What this attack demonstrates is that the economics of the IoT mean that it will remain insecure unless government steps in to fix the problem. This is a market failure that can't get fixed on its own.

It's an uncertain waiting game as to when the next-generation high-speed wireless service known as 5G will reach mass market, but the business implications are already a major talking point at CES 2018.

The term "5G" refers to the fifth-generation wireless broadband technology based on the 802.11ac standard. The packet of technology will bring speed and coverage improvements from 4G, with low-latency wireless up to 1GB/s, and it'll spur a host of new opportunities for enterprises and workplace productivity.In a panel discussion at CES, a trio of executives from Qualcomm, Ericsson, and Nokia discussed how 5G could transform industries ranging from transportation to manufacturing.

Some 5G rollouts are already planned for 2018. Samsung announced last Wednesday that it will provide Verizon with routers and radio frequency planning services for the carrier's initial 5G commercial rollout that will begin in Sacramento, Calif., in the second half of 2018.Meanwhile, AT&T announced that it will provide 5G services in roughly 12 markets by late 2018, with plans to offer the service to consumers while it trials 5G technology with businesses across all industries.Still, the panel of executives at CES remain skeptical that 5G would roll out for most Americans before late 2019 or 2020.

As fast as it can, Google is sealing up cracks in its systems that Edward J. Snowden revealed the N.S.A. had brilliantly exploited. It is encrypting more data as it moves among its servers and helping customers encode their own emails. Facebook, Microsoft and Yahoo are taking similar steps.

After years of cooperating with the government, the immediate goal now is to thwart Washington — as well as Beijing and Moscow. The strategy is also intended to preserve business overseas in places like Brazil and Germany that have threatened to entrust data only to local providers. Google, for example, is laying its own fiber optic cable under the world’s oceans, a project that began as an effort to cut costs and extend its influence, but now has an added purpose: to assure that the company will have more control over the movement of its customer data.

A year after Mr. Snowden’s revelations, the era of quiet cooperation is over. Telecommunications companies say they are denying requests to volunteer data not covered by existing law. A.T.&T., Verizon and others say that compared with a year ago, they are far more reluctant to cooperate with the United States government in “gray areas” where there is no explicit requirement for a legal warrant.

Hillary Clinton called for the U.S. to promote Internet freedoms earlier this week and introduced a $25 million fund for technology companies that might help with the task. The New America Foundation has already applied for a grant under the program, which includes a $3.5 million proposal, of which $500,000 will be funded by the New America Foundation itself. The mission? To build the technology stack for a distributed, open-source telecommunications system. The project would combine well-known projects — such as the open source voice projects Asterisk and OpenBTS – with new projects for mesh networking known as The Serval Project — which Kevin covered earlier this month — and Commotion, open-source firmware to enable routers to create an open mesh network. Dan Meredith, a technologist at New America, broke it down for me, and said the hope is to deliver communications in areas where Internet access is scarce, but also among populations unable to use communications because of government interference.