Coinbase does not promise refunds in case of a hack, 1️⃣-8️⃣5️⃣0️⃣-5️⃣6️⃣5️⃣-2️⃣0️⃣8️⃣8️⃣As users are expected to protect their own accounts. If you notice any suspicious activity, reach out to Coinbase support immediately at1️⃣-8️⃣5️⃣0️⃣-5️⃣6️⃣5️⃣-2️⃣0️⃣8️⃣8️⃣

For help and investigation.   

 Coinbase typically doesn't refund losses due to hacking, as they consider account security the user's responsibility＋１ｘ８５０ｘ ５６５ｘ２０８８ However, they offer support for securing accounts.