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There's a new Wi-Fi standard in town, and it takes speed to another level. 802.11ad Wi-Fi is rated for data throughput up to 4,600Mbps, or four times faster than the current speed champ 802.11ac. That's much faster than standard gigabit Ethernet and most home broadband speeds, although—as any Wi-Fi user knows—there's a big difference between theoretical speed and what's possible in practice. Still, want to stream high-bitrate 4K, HDR films over Wi-Fi? That won't be a problem with 802.11ad. Even the best triple-layer UHD Blu-rays top out at 128Mbps bitrates.
Security researchers have devised a way of discovering passwords and other sensitive data by observing how bodily movements interfere with Wi-Fi signals.
The researchers from Shanghai Jaio Tong University, the University of Massachusetts at Boston, and the University of South Florida, found that they could find out private information by analysing the radio signal from a malicious Wi-Fi router.
Researchers in a team from Shanghai, Boston and Tampa recently published an temptingly titled paper about password stealing.
Dubbed When CSI Meets Public Wi-Fi: Inferring Your Mobile Phone Password via Wi-Fi Signals, the paper makes you think of Crime Scene Investigation, but that’s just a handy collision of acronyms.
In a perfect example of how public wireless networks can be dangerous for privacy and security, an Israeli hacker showed that he could have taken over the free Wi-Fi network of an entire city.
On his way home from work one day, Amihai Neiderman, the head of research at Israeli cybersecurity firm Equus Technologies, spotted a wireless hotspot that he hadn't seen before. What made it unusual was that it was in an area with no buildings.
When wireless routers first went mainstream they felt like magic. Connecting your laptop to the internet without a cable? Amazing. As time marched on, routers became more impressive, getting longer range and faster speeds. Nowadays, there are many affordable routers on the market, and many consumers are happy with them.