首先说明 澳洲华人哪里都多~亚洲人就更别说了 而且墨尔本作为个大城市 聚集的华人就更多了

据悉目前澳洲大学排名如下

前面数字是澳洲本土排名 后面是世界排名

1 Australian National University 48

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2 Monash University 111

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3 University of New South Wales 120

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4 University of Sydney 125

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5 University of Queensland 127

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6 University of Melbourne 130

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7 University of Auckland 239

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8 University of Adelaide 248

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9 University of Western Australia 318

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10 Queensland University of Technology 353

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11 Rmit University 371

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12 Macquarie University 376

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13 University of Technology Sydney 394

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14 La Trobe University 453


截取到你所提到的所有大学。

至于你说的信息安全专业 我不大明白 但是 我知道 communication 这专业来说 墨大比较好
墨大教学严厉 压力也相对大些 对汲取知识比较有优势 因为澳洲出了名的懒散悠闲