Hack on Hong Kong Stock Exchange disrupts trading Hackers took down a website belonging to the Hong Kong stock Exchange, prompting Asia's third-largest securities exchange to suspend trading in the shares of London-based HSBC and six other companies. “Our current assessment is that this is the result of a malicious attack by outside hacking,” HKEx Chief Executive Charles Li, …
I hear this each isolation line anytime a market has any kind of attack.
How are any of these the markets isolated?
Completely and utterly disconnected from any network?
No one uses flash drives or disk that connect to computers at home and at the market?
No single person has remote lines via TCP/IP or even dial up that can send/receive trade information?
Easy enough to understand that one particular news site is not directly sharing database or connections with the market systems, but to assume that these market systems are off the grid is not accurate
I don't really believe they can be isolated, and at the same time accept remote connections for electronic trading at the same time. I understand the Pentagon has pretty good actual isolation of their machines, and maybe the CIA etc does too, but then we hear the CIA director was looking at top secret files on his home WINDOWS PC. Wonder if he brought them home with a flash drive, wonder if he brought it back to work after plugging it into his potentially affected machine?
Typically these Exchange servers are sitting on a separate network, totally isolated. The Exchange personel has different computers, one PC to the test environment, and another PC to the production environment. The members (banks, hedge funds, etc) that trade on the Exchange are connected via a dedicated leased line, or via a secure encrypted channel over internet.
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