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Thousands Of Microsoft Exchange Servers Still Under Attack

Thousands of company servers operating through Microsoft Exchange are still compromised by hackers even after the tech giant patched up vulnerabilities, cybersecurity experts claim.

Acting director of the Cybersecurity and Infrastructure Security Agency Brandon Wales says email servers which were vulnerable before Microsoft issued a patch must now take even more measures to lock out the hackers from networks.

According to Bloomberg, the servers which are still compromised could be used as a launching pad for criminal hackers to initiate ransomware attacks on computer networks.

Microsoft has warned its patching won’t lock out a hacker which has already gained access to a server.

“We remain committed to supporting our customers against these attacks, to innovating on our security approach, and to partnering closely with governments and the security industry to help keep our customers and communities secure,” a Microsoft spokesperson said.

Around 45 per cent of the vulnerable systems have been patched by Microsoft over the last week and there are less than 10,000 compromised systems remaining in the US.

A major flaw in Microsoft’s software led to the aggressive hacking campaign earlier this month.

More than 7000 businesses using Microsoft Exchange servers in Australia were left exposed to the sophisticated cyberattack. It is unknown how many businesses may have been directly affected.

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