Internet services to several Australian companies have been affected by a China-based internet attack targeting an Australian financial institution.
Optus said its customer was hit by the attack which originated in China on Wednesday afternoon and slowed international email and web browsing services for other costumers on the system.
"The attack caused congestion on one of Optus' international links leading to slow internet and delayed email for some Optus corporate customers," an Optus spokesperson said.
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Optus said it resolved the issue within a couple of hours by blocking the source of the attack.
Australian Associated Press (AAP) chief executive Bruce Davidson said the national news wire service was one of the companies indirectly affected by the attack.
"While AAP confirms we had some problems with our internet provider yesterday, investigations into the incident have satisfied us that this was not a direct attack on the agency itself," he said in a statement.
"AAP's back-up and security procedures were immediately implemented and there was no interruption to our news agency services."
