* "The hacker spread a malicious virus that stole sensitive data from hundreds of users." (This sentence describes a harmful act with intent.)
* "He was accused of spreading malicious rumors about his competitor, damaging their reputation." (This sentence shows how malicious intent can be used to harm someone's image.)
* "Though the prank was meant to be funny, it ended up causing malicious damage to the school property." (This sentence highlights how even seemingly innocent actions can be seen as malicious if they cause harm.)
* "The government warned citizens to be aware of malicious websites that could steal their personal information." (This sentence demonstrates how malicious intent can be used to exploit individuals online.)
Remember, "malicious" implies intent to cause harm, so using it accurately requires understanding the context and the motivation behind the action.