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The Hacker News - Cybersecurity News and Analysis: wireless network

MIT Researchers Solve the Spectrum Crunch to make Wi-Fi 10 times Faster

MIT Researchers Solve the Spectrum Crunch to make Wi-Fi 10 times Faster

August 24, 2016Swati Khandelwal
While using your cell phone at a massive public event, like a concert, conference, or sporting event, you have probably experienced slow communication, poor performance or slow browsing speeds, as crowds arrive. That's because of ' Spectrum Crunch ', which means, Interference of WiFi signals with each other. WiFi signals of all cell-phones in a large event interfere with each other because they are all fighting over the same limited spectrum but there is not enough bandwidth to handle all the traffic from the cellphones that are trying to use the same frequency slice at the same time, leaving them frustrated with painfully slow Internet access. However, a team of researchers from the MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) has developed a solution for this problem. In a new research paper, 'Real-time Distributed MIMO Systems,' published online this week, the MIT team described a system for managing networks that cause the WiFi
Critical iOS Flaw allowed Hackers to Steal Cookies from Devices

Critical iOS Flaw allowed Hackers to Steal Cookies from Devices

January 21, 2016Swati Khandelwal
Apple has patched a critical vulnerability in its iOS operating system that allowed criminal hackers to impersonate end users' identities by granting read/write access to website's unencrypted authentication cookies. The vulnerability was fixed with the release of iOS 9.2.1 on Tuesday, almost three years after it was first discovered and reported to Apple. The vulnerability, dubbed " Captive Portal " bug, was initially discovered by Adi Sharabani and Yair Amit from online security company Skycure and privately reported to Apple in June 2013. Here's How the Vulnerability Worked The vulnerability caused due to the way iOS handles Cookie Stores at Captive Portals , generally a login page that requires users to authenticate themselves before connecting to the free or paid public Wi-Fi hotspots when they are first joining. So, when a user with a vulnerable iPhone or iPad connects to a captive-enabled network ( sample page shown in the screensho
New Long-Range Wi-Fi Standard Offers Double Range to Home Devices

New Long-Range Wi-Fi Standard Offers Double Range to Home Devices

January 06, 2016Swati Khandelwal
It is a common problem: Home Wireless Router's reach is terrible that the WiFi network even does not extend past the front door of the room. My house also has all kinds of Wi-Fi dead zones, but can we fix it? The answer is: YES . The problem will improve with a future, longer range version of Wi-Fi that uses low power consumption than current wireless technology and specifically targets at the internet of things (IoTs). Global certification network the WiFi Alliance has finally approved a new wireless technology standard called 802.11ah, nicknamed " HaLow ." HaLow: Long Range WiFi Wi-Fi HaLow has twice the range of conventional Wi-Fi and has the ability to penetrate walls that usually create blackspots in our homes. The Wi-Fi Alliance unveiled this latest WiFi technology at the Consumer Electronics Show (CES) in Las Vegas. Although currently used 802.11 Wi-Fi standards commonly operate in frequency bandwidths between 2.4GHz and 5GHz, the n
Windows 10 Wi-Fi Sense Explained: Actual Security Threat You Need to Know

Windows 10 Wi-Fi Sense Explained: Actual Security Threat You Need to Know

July 31, 2015Swati Khandelwal
Just one day after Microsoft released its new operating system, over 14 Million Windows users  upgraded their PCs to Windows 10 . Of course, if you are one of the Millions, you should aware of Windows 10's Wi-Fi Sense feature that lets your friends automatically connects to your wireless network without providing the Wi-Fi password. Smells like a horrible Security Risk! It even triggered a firestorm among some security experts, who warned that Wi-Fi Sense is a terrible and dangerous feature and that you should disable it right away. Even some researchers advised Windows 10 users to rename their Wi-Fi access points. Before discussing the risks of Wi-Fi Sense, let's first know how it works. Also Read:  How to Fix 35+ Windows 10 Privacy Issues With Just One Click . How Windows 10 Wi-Fi Sense works? Windows 10 Wi-Fi Sense feature allows you to share your Wi-Fi password with your friends or contacts, as well as lets you automatically connect to networ
Vulnerability in Hotel WiFi Network Exposes You to Hackers

Vulnerability in Hotel WiFi Network Exposes You to Hackers

March 27, 2015Swati Khandelwal
There is no end to users problem when it comes to security. Everything is easily hackable — from home wireless routers to the large web servers that leak users' personal data into the world in one shot. If you love to travel and move hotels to hotels, then you might be dependent on free Wi-Fi network to access the Internet. However, next time you need to be extra cautious before connecting to Hotel's Wi-Fi network, as it may expose you to hackers. Security researchers have unearthed a critical flaw in routers that many hotel chains depend on for distributing Wi-Fi networks. The security vulnerability could allow a hacker to infect guests with malware, steal or monitor personal data sent over the network, and even gain access to the hotel's keycard systems and reservation. HACKING GUEST WIFI ROUTER Several models of InnGate routers manufactured by ANTlabs, a Singapore firm, have a security weakness in the authentication mechanism of the firmware. The se
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