Can staked ETH be stolen?

Could you please elaborate on the security risks associated with staking ETH? Is it possible for staked ETH to be stolen, and if so, what are the potential vulnerabilities that could lead to such an occurrence? Additionally, are there any safety measures or best practices that stakeholders should adhere to in order to safeguard their staked ETH from being compromised? Understanding these points would greatly assist in assessing the risks and making informed decisions about staking Ethereum.