Microsoft becomes third listed US firm to be valued at $1tn

Company beat sales and profit expectations to join Apple and Amazon in prestigious clubMicrosoft has become the third publicly listed US company, after Apple and Amazon, to boast a market value of more than $1tn after bumper quarterly results boosted i…

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Ultimatum to cabinet ministers in Huawei leak investigation

Senior figures in Theresa May’s cabinet deny role in leaking details of vote in National Security Council meetingCabinet members who were at Tuesday’s National Security Council (NSC) have been sent an ultimatum by Whitehall’s most powerful official to …

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As Europe builds its 5G network, security – not cost – must come first | Julian King

Concerns over Chinese involvement via Huawei underline why a risk-based approach to cybersecurity is vital• Sir Julian King is European commissioner for the Security UnionOn 26 March, the European commission published a recommendation designed to ensur…

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May to ban Huawei from providing ‘core’ parts of UK 5G network

Telecoms firm will still be able to supply some technology, but decision may anger Beijing Theresa May has ordered that Chinese telecoms supplier Huawei be banned from supplying core parts of the future 5G mobile phone network, following a meeting of m…

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Even Amazon and the tech giants could fail to click in a changing market

If the online retail giant has felt some pressure on profits, what price other, less secure, Silicon Valley firms?The march of Amazon and other US tech giants to world domination can sometimes seem unstoppable. Investors who have bought into the Amazon…

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