Microsoft re-releases security update after cyberattacks

Microsoft has taken the unusual step of re-releasing security updates for some older versions of its Windows platforms to counter a massive global wave of cyber ransomware attacks.In a blog post, the US tech giant recalled that it had published an update in March to address the weakness exploited in Friday's attacks, a security flaw exposed in documents leaked from the US National Security Agency."Those who have Windows Update enabled are protected against attacks on this vulnerability," the com