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The concept of smart cities is inherently tied to mass surveillance. The benefits derived from smart city technology are dependent on constant data flows captured and aggregated by sensors, cameras and tracking applications. [12] This persistence surveillance however, raises a number of privacy issues.
Giffgaff implemented 5G on their "Golden Goodybag" range using their new 5G SIMs [21] on 7 January 2021. [40] Initially, only new 5G SIMs would work on the technology, but later access was extended to existing 4G SIM cards. [41] Giffgaff's 5G, like all their network services, runs on O2's network.
In July 2012, O2 had to apologise to almost 8 million customers after a network switching subsystem failure led to a 24-hour blackout of the service across the UK and Ireland. [35] The problem, which prevented a third of its customers' phones registering on the network, also affected customers of MVNO networks Tesco Mobile and Giffgaff. [36]
An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network. [2]
Verified for version 4.4 and later. 1. Open the Settings app. 2. Tap Apps. 3. Tap AOL. 4. Tap Force Stop. 5. If prompted, tap Force Stop again to confirm. 6. Relaunch the app and attempt to reproduce the issue.
The vast majority of CCTV cameras are not operated by government bodies, but by private individuals or companies, especially to monitor the interiors of shops and businesses. According to 2011 Freedom of Information Act requests, the total number of local government operated CCTV cameras was around 52,000 over the entirety of the UK. [109]
Some devices with dual-band wireless network connectivity do not allow the user to select the 2.4 GHz or 5 GHz band (or even a particular radio or SSID) when using Wi-Fi Protected Setup, unless the wireless access point has separate WPS button for each band or radio; however, a number of later wireless routers with multiple frequency bands and ...
The first widely known case of NTP server problems began in May 2003, when Netgear's hardware products flooded the University of Wisconsin–Madison's NTP server with requests. [5] University personnel initially assumed this was a malicious distributed denial of service attack and took actions to block the flood at their network border. Rather ...