Bitcointalk.org, the Bitcoin Forum, is currently offline with the official explanation being a DOS attack. In the past, Bitcointalk.org has faced hacks, man-in-the-middle attacks, and DDOS. According to isitdownrightnow, a service that tells you the status of websites worldwide, bitcointalk.org has been down since at least 17:00 PT. This is corroborated by the first reports on twitter of the bitcointalk.org outage: In the meantime, users can use Bitcointa.lk, which stores all of the Bitcointalk.org messages and has an additional list of features, as well. Bitcointalk confirms the DoS attack: Source: https://www.cryptocoinsnews.com/bitcoin-forum-bitcointalk-org-currently-offline-due-to-dos/
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The Bitcoin Forum At Bitcointalk.org Went Offline Due to DoS attack