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Critical software bug sets ‘internet ON FIRE’Cybersecurity experts have raised the alarm about a previously unknown critical flaw in a commonly used software tool that could potentially allow hackers to compromise millions of devices connected to the internet.The fault, known as ‘Log4Shell’, has been described as the “single biggest, most critical vulnerability of the last decade” – which puts it in the running for a place among the biggest glitches in modern computing history. Researchers have warned that the flaw affects servers run by tech giants like Microsoft, Apple, Amazon, and Twitter.