Has Poloniex been hacked?

I've been hearing rumors that Poloniex, a popular cryptocurrency exchange, has fallen victim to a cyber attack. Is there any truth to these claims? Have users reported any unusual activity or loss of funds? It's crucial for investors to stay informed and protect their assets, so I'm hoping for a clear and concise answer to this pressing question. Has Poloniex been hacked, and if so, what steps are being taken to address the situation?