"'Something went really quite wrong,' Professor Alan Woodward, a computer security expert at the University of Surrey, told the Daily Mail. 'Vodafone are being very coy - theoretically it could still have been some kind of attack. 'If it were deliberate, the question is who and how.' According to the academic, it could have been a 'nation state' cyberattack - where the perpetrators are acting on behalf of their government."
"'If it was an attack, it would have had to be a well resourced attack such as could be mounted by a nation state,' he told the Daily Mail. 'National states often hide behind criminals as proxies for deniable plausibility. 'It was a fairly spectacular outage which is unusual as networks tend not to have single points of failure precisely in case there is a technical fault, so it's possible it was deliberate.'"
Hundreds of thousands of people in Britain were unable to access the internet during a four-hour Vodafone outage. At the peak, 135,995 users reported problems on DownDetector, with 69 percent saying they could not use their landline internet. Vodafone attributed the disruption to a non-malicious software issue with one of its vendor partners. Security experts cautioned that a cyberattack could not be ruled out. Professor Alan Woodward said the outage could reflect a nation-state level operation or a catastrophic internal error, such as a software upgrade by an engineer that went badly wrong, noting networks usually avoid single points of failure.
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