Here's a potential tweet summarizing the news:

"DeFi hacks are nothing new, but this one took 7 months to be noticed! A staggering $9 million was stolen without raising alarms. ๐Ÿ›ก๏ธ๐Ÿ’ฐ #DeFiSecurity #CryptoHeists #KeepInvestingSmart #BitcoinERC20"