TalkTalk and Sky are still dismally disappointing their customers – but Vodafone saw the biggest drop in ratings, according to a broadband survey from consumer group Which?.

The organisation carries out regular assessments of Brits' opinions on their broadband provider; the latest was carried out in January on a sample of 8,603 Which? members. It assigns each firm a score based on customer satisfaction and whether they would recommend it.

Which? said that customers with the biggest companies are the most likely to be getting a bad deal, with TalkTalk and Sky "rooted to the bottom of the latest rankings"

Considering the state of political discourse in Britain, it comes as little surprise that the government has no idea whether it should follow allies and start banning certain foreign firms – most notably Huawei – from national telecommunications infrastructure projects.

The US , New Zealand and Australia have all moved to limit the presence of Chinese vendors' kit in their networks over fears it could be used by spies.

In January, Norman Lamb, chairman of the Commons Science and Technology Committee, wrote to government ministers to ask whether the country's networks were secure, and if the Chinese hardware vendors really

Updated The UK's O2 mobile network knocked off early for the week today as some customers found themselves unable to use voice services.

As is the modern way, customers took to Twitter to vent their collective spleen at the Telefónica-owned communications outfit. Lucky data has kept working then, eh?

Problems started from around 08:30 UK time, and customers such as Claudia, above, remarked on the problem. To its credit, O2's Twitter orifice was quick to respond. However, no amount of network tips or video guides could deal with the issue and later the network admitted that, yup, things had gone

Promo Infrastructure failure is a major cause of concern for enterprises, incurring huge costs in troubleshooting and a multiplicity of monitoring tools.

Cisco believes organisations should strengthen the reliability of their networks by following the emerging trend of what it calls intent-based networks, which use machine learning to incorporate analytics and automation.

Here’s how the networking giant advises you to make it happen.

First, simplify troubleshooting by centralising analytics for all the devices attached to it. Cisco claims a software solution such as its Cisco DNA Center Assurance provides all-round visibility of your network, making it easier to manage all