6. Spamhaus Hack
The Spamhaus Project is an organization that deals in anti-spam business, reducing spam emails and protecting email users from the unwanted post. In 2013, Spamhaus suffered a DDOS attack, a kind of attack that doesn’t allow the website to perform its designated activity. So, Spamhaus couldn’t protect its users from spam mail. Spamhaus servers were receiving traffic of 300Gbit/sec in one moment, making this attack the biggest DDOS attack in the history of the internet.
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