Tagged With ddos

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Over the last few years, networks have begun the shift from the five decade old IPv4 architecture to the newer IPv6 system. While the number of addresses available to IPv4 was massive at the time, the new system will provide so many addresses that it's possible to assign a unique address to every atom on the planet. But that shift has resulted in another change. Threat actors now have new ways to potentially attack systems. Wesley George, Principal Engineer at Neustar, and I discussed what this means for today's network managers.

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Last September, a bunch of major websites were rendered 404 when the Mirai botnet surfaced. By attacking hundreds of thousands of unsecured IoT devices Mirai was able to attack DNS provider Dyn resulting in hundreds of online services dropping like flies. Persirai borrows some code from Mirai but "improves" upon it.

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This morning a ton of websites and services, including Spotify and Twitter, were unreachable because of a distributed denial of service (DDoS) attack on Dyn, a major DNS provider. Details of how any the attack happened remain vague, but one thing seems certain. Our internet is frightfully fragile in the face of increasingly sophisticated hacks.

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Last night, the Australian Bureau of Statistics (ABS) closed the 2016 Census website. No explanation was given at the time, except for a message on the page saying "the system is very busy at the moment". This morning, the ABS’s head statistician, David Kalisch, announced that the site had been brought offline by four distributed denial-of-service (DDoS) attacks. Can we trust what he said? Was it really a cyber attack? Let's find out.