Phishers send you a message with a link to a website that looks just like MyEtherWallet, EtherDelta, Paypal, or your bank, but is not the real website. They steal your information and then steal your money.
Use the EAL or MetaMask Chrome Extension to block malicious websites.
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Always make sure the URL bar has MYETHERWALLET LLC [US] in green.
Do not trust messages or links sent to you randomly via email, Slack, Reddit, Twitter, etc. Always navigate directly to a site before you enter information. Do not enter information after clicking a link from a message or email.
Install an AdBlocker and do not click ads on your search engine (e.g. Google).

I will never sell my Bitcoin before bitcoin back to normal again and reach my target price, because I believe bitcoin will not make me regret to invest at bitcoin, I know bitcoin prioritized for long term investment, but nobody know how bitcoin in future, no one or no government can manage bitcoin! So why you say "Sell all you got Now!! Tomorrow will be too late!"??
I think that is impossible if you know bitcoin in future, are you say like this because you read too much fake news about bitcoin? But that is up to you, that your rights.
And I think bitcoin will be bring user to the moon at half of this year, bring our future to be better life and I will watching it.