Microsoft said there was no evidence any customer data was accessed or compromised.
While DDoS attacks are mainly a nuisance – making websites unreachable without penetrating them – security experts say they can disrupt the work of millions if they successfully interrupt the services of a software service giant like Microsoft on which so much global commerce depends.“We really have no way to measure the impact if Microsoft doesn’t provide that info,” said Jake Williams, a prominent cybersecurity researcher and a former National Security Agency offensive hacker.
Pro-Russian hacking groups including Killnet – which the cybersecurity firm Mandiant says is Kremlin-affiliated – have been bombarding government and other websites of Ukraine’s allies with DDoS attacks. In October, some U.S. airport sites were hit. Analyst Alexander Leslie of the cybersecurity firm Recorded Future said it’s unlikely Anonymous Sudan is located as it claims in Sudan, an African country.
Indeed, the techniques the attackers used are not old, said U.K. security researcher Kevin Beaumont. “One dates back to 2009,” he said.
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