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he message arrived at night and consisted of three words: “Good evening sir!” The sender was a hacker who had written a series of provocative memos at the National Security Agency. His secret memos had explained — with an earthy use of slang and emojis that was unusual for an operative of the largest eavesdropping organization in the world — how the NSA breaks into the digital accounts of people who manage computer networks, and how it tries to unmask people who use Tor to browse the web anonymously. Outlining some of the NSA’s most sensitive activities, the memos were leaked by Edward Snowden, and I had written about a few of them for The Intercept. There is no Miss Manners for exchanging pleasantries with a man the government has trained to be the digital equivalent of a Navy SEAL. Though I had initiated the contact, I was wary of how he might respond. The hacker had publicly expressed a visceral dislike for Snowden and had accused The Intercept of jeopardizing lives by publishing classified information. One of his memos outlined the ways the NSA reroutes (or “shapes”) the internet traffic of entire countries, and another memo was titled “I Hunt Sysadmins.” I felt sure he could hack anyone’s computer, including mine. Good evening sir!

The sender was a hacker who had written a series of provocative memos at the National Security Agency. His secret memos had explained — with an earthy use of slang and emojis that was unusual for an operative of the largest eavesdropping organization in the world — how the NSA breaks into the digital accounts of people who manage computer networks, and how it tries to unmask people who use Tor to browse the web anonymously. Outlining some of the NSA’s most sensitive activities, the memos were leaked by Edward Snowden, and I had written about a few of them for The Intercept. There is no Miss Manners for exchanging pleasantries with a man the government has trained to be the digital equivalent of a Navy SEAL. Though I had initiated the contact, I was wary of how he might respond. The hacker had publicly expressed a visceral dislike for Snowden and had accused The Intercept of jeopardizing lives by publishing classified information. One of his memos outlined the ways the NSA reroutes (or “shapes”) the internet traffic of entire countries, and another memo was titled “I Hunt Sysadmins.” I felt sure he could hack anyone’s computer, including mine.

I got lucky with the hacker, because he recently left the agency for the cybersecurity industry; it would be his choice to talk, not the NSA’s. Fortunately, speaking out is his second nature.

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.